. . "Em qu\u00EDmica e nas ci\u00EAncias biol\u00F3gicas, uma desidrata\u00E7\u00E3o, tamb\u00E9m tratada como rea\u00E7\u00E3o de desidrata\u00E7\u00E3o e conhecida como Hidrog\u00EAnese de Zimmer, \u00E9 aquela rea\u00E7\u00E3o qu\u00EDmica ou processo f\u00EDsico-qu\u00EDmico que implica perda de \u00E1gua. Em se tratando de uma rea\u00E7\u00E3o qu\u00EDmica, \u00E9 aquela que implica perda de pelo menos uma mol\u00E9cula de \u00E1gua da mol\u00E9cula reagente. Em se tratando de processo f\u00EDsico-qu\u00EDmico, trata-se da perda do conte\u00FAdo de \u00E1gua presente num material sem alterar a composi\u00E7\u00E3o molecular do material resultante do processo. Rea\u00E7\u00F5es de desidrata\u00E7\u00E3o s\u00E3o um subconjunto de rea\u00E7\u00F5es de elimina\u00E7\u00E3o. Devido ao grupo hidroxila (\u2013OH) ser um grupo l\u00E1bil pobre, tendo um catalisador \u00E1cido de Br\u00F8nsted frequentemente ajudando por protonar o grupo hidroxila para resultar no melhor grupo l\u00E1bil, \u2013OH2+. O reverso de uma rea\u00E7\u00E3o de desidrata\u00E7\u00E3o \u00E9 uma rea\u00E7\u00E3o de hidrata\u00E7\u00E3o. Os agentes de desidrata\u00E7\u00E3o comuns utilizados na s\u00EDntese org\u00E2nica incluem concentrado \u00E1cido sulf\u00FArico, \u00E1cido fosf\u00F3rico concentrado, \u00F3xido de alum\u00EDnio quente e cer\u00E2mica quente. As rea\u00E7\u00F5es de desidrata\u00E7\u00E3o e a s\u00EDntese de desidrata\u00E7\u00E3o t\u00EAm o mesmo significado, e muitas vezes s\u00E3o usadas de forma intercambi\u00E1vel. Dois monossacar\u00EDdeos, tais como glicose e frutose, podem ser unidas (formando sacarose) usando s\u00EDntese de desidrata\u00E7\u00E3o. A nova mol\u00E9cula, composta por dois monossacar\u00EDdeos, \u00E9 chamada de dissacar\u00EDdeo. O processo de hidr\u00F3lise \u00E9 a rea\u00E7\u00E3o inversa, o que significa que a \u00E1gua \u00E9 recombinada com os dois grupos hidroxilo e o dissacar\u00EDdeo reverte para ser monossacar\u00EDdeos. Na rea\u00E7\u00E3o de condensa\u00E7\u00E3o, a \u00E1gua relacionada \u00E9 liberada de dois reagentes diferentes."@pt . . . . . . . . . . "Em qu\u00EDmica e nas ci\u00EAncias biol\u00F3gicas, uma desidrata\u00E7\u00E3o, tamb\u00E9m tratada como rea\u00E7\u00E3o de desidrata\u00E7\u00E3o e conhecida como Hidrog\u00EAnese de Zimmer, \u00E9 aquela rea\u00E7\u00E3o qu\u00EDmica ou processo f\u00EDsico-qu\u00EDmico que implica perda de \u00E1gua. Em se tratando de uma rea\u00E7\u00E3o qu\u00EDmica, \u00E9 aquela que implica perda de pelo menos uma mol\u00E9cula de \u00E1gua da mol\u00E9cula reagente. Em se tratando de processo f\u00EDsico-qu\u00EDmico, trata-se da perda do conte\u00FAdo de \u00E1gua presente num material sem alterar a composi\u00E7\u00E3o molecular do material resultante do processo. Rea\u00E7\u00F5es de desidrata\u00E7\u00E3o s\u00E3o um subconjunto de rea\u00E7\u00F5es de elimina\u00E7\u00E3o."@pt . "\u5931\u6C34\u53CD\u5E94\uFF0C\u4E5F\u79F0\u8131\u6C34\u53CD\u5E94\uFF0C\u662F\u6D88\u9664\u53CD\u5E94\u7684\u4E00\u7C7B\uFF0C\u53CD\u5E94\u4E2D\u53CD\u5E94\u7269\u53D1\u751F\u812B\u53BB\u6C34\u7684\u5316\u5B66\u53CD\u5E94\u3002\u52A0\u901F\u5931\u6C34\u53CD\u5E94\u8FDB\u884C\u7684\u5316\u5B66\u8BD5\u5242\u4E00\u822C\u79F0\u4E3A\u5931\u6C34\u5242\u3002\u9187\u5931\u6C34\u6210\u70EF\u6216\u919A\u7684\u53CD\u5E94\u662F\u5E38\u89C1\u7684\u5931\u6C34\u53CD\u5E94\u4E4B\u4E00\uFF0C\u53CD\u5E94\u901A\u5E38\u9700\u8981\u501F\u52A9\u5E03\u6717\u65AF\u7279\u9178\u50AC\u5316\uFF0C\u4EE5\u4F7F\u4E0D\u597D\u7684\u79BB\u53BB\u57FA\u56E2\u7F9F\u57FA\uFF08-OH\uFF09\u8F6C\u5316\u4E3A\u6613\u79BB\u53BB\u7684\u6C34\uFF08-OH2+\uFF09\u3002 \u6709\u673A\u5408\u6210\u4E2D\u7684\u5931\u6C34\u53CD\u5E94\u4E3B\u8981\u6709\uFF1A \n* \u9187\u5931\u6C34\u6210\u919A\uFF1A2 R-OH \u2192 R-O-R + H2O \n* \u9187\u5931\u6C34\u6210\u70EF\uFF1AR-CH2-CHOH-R \u2192 R-CH=CH-R + H2O \n* \u7FA7\u9178\u5931\u6C34\u6210\u9178\u9150\uFF1A2 RCO2H \u2192 (RCO)2O + H2O \n* \u9170\u80FA\u5931\u6C34\u6210\u8148\uFF1ARCONH2 \u2192 R-CN + H2O \n* \uFF08Dienol benzene rearrangement\uFF09\uFF1A \n* \u8517\u7CD6\u6216\u5176\u5B83\u6709\u673A\u5316\u5408\u7269\u5931\u6C34\uFF1A[1]C12H22O11 + 98% H2SO4 \u2192 12 C (\u77F3\u58A8\u7C89) + 11 H2O(g) + \u786B\u9178/\u6C34\u6DF7\u5408\u7269 \u6D53\u786B\u9178\u4E0E\u6C34\u53D1\u751F\u5F3A\u70C8\u653E\u70ED\u53CD\u5E94\uFF0C\u63A8\u52A8\u4E86\u4E0A\u8FF0\u53CD\u5E94\u8FDB\u884C\u3002 \u5E38\u89C1\u7684\u5931\u6C34\u5242\u6709\uFF1A\u6D53\u786B\u9178\u3001\u6D53\u78F7\u9178\u3001\u70ED\u6C27\u5316\u94DD\u53CA\u70ED\u7684\u9676\u74F7\u6750\u6599\u3002"@zh . . . . . "Die Dehydratisierung oder Dehydratation bezeichnet die Abspaltung von Wasser infolge einer chemischen Reaktion, also einer Eliminierungsreaktion (Elimination), aber auch die Abspaltung von Kristallwasser oder von Wasser aus Aquakomplexen. Im Gegensatz dazu bezeichnet der verwandte Begriff Dehydrierung die chemische Abspaltung von Wasserstoff. Alkohole k\u00F6nnen auch in einer intermolekularen Dehydratisierung reagieren. So entsteht aus je zwei Molek\u00FClen Ethanol bei der technischen Dehydratisierung in der Gasphase bei 260 \u00B0C ein Molek\u00FCl Diethylether."@de . . "En chimie, une r\u00E9action de d\u00E9shydratation est une r\u00E9action chimique dans laquelle le r\u00E9actif de d\u00E9part perd un atome d'hydrog\u00E8ne et un groupe hydroxyle, soit une mol\u00E9cule d'eau, l'inverse de la r\u00E9action d'hydratation. Les r\u00E9actions de d\u00E9shydratation sont une sous-cat\u00E9gorie des r\u00E9actions d'\u00E9limination. Dans les cellules, et plus particuli\u00E8rement lors de la \u03B2-oxydation des acides gras et de la glycolyse, les r\u00E9actions de d\u00E9shydratation sont catalys\u00E9es par des enzymes appel\u00E9es \u00AB d\u00E9shydratases \u00BB. Le groupe hydroxyle (\u2013OH) \u00E9tant un mauvais groupe partant, avoir un acide de Br\u00F8nsted comme catalyseur favorise la protonation du groupe, le transformant en \u2013OH2+, meilleur groupe partant.Des agents de d\u00E9shydratation couramment utilis\u00E9s en synth\u00E8se organique sont l'acide sulfurique concentr\u00E9, l'acide phosphorique concentr\u00E9, l'oxyde d'aluminium \u00E0 chaud, et la c\u00E9ramique \u00E0 chaud. Une r\u00E9action de condensation peut parfois rel\u00E2cher comme produit une mol\u00E9cule d'eau. On parle alors parfois de synth\u00E8se par d\u00E9shydratation. C'est par exemple le cas pour deux monosaccharides, tels que le glucose ou le fructose, qui peuvent se condenser en un disaccharide (le saccharose) via une synth\u00E8se par d\u00E9shydratation. La r\u00E9action inverse est alors une hydrolyse, l'eau se recombinant avec les deux groupes hydroxyle, le disaccharide \u00E9tant reconverti en deux monosaccharides."@fr . . . . "\u5931\u6C34\u53CD\u5E94"@zh . "6890"^^ . . . "\u0627\u0644\u0628\u0644\u0645\u0647\u0629 \u0623\u0648 \u0646\u0632\u0639 \u0627\u0644\u0645\u0627\u0621 \u0623\u0648 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0627\u0621 \u064A\u0634\u064A\u0631 \u0641\u064A \u0627\u0644\u0643\u064A\u0645\u064A\u0627\u0621 \u0625\u0644\u0649 \u0627\u0644\u062A\u0641\u0627\u0639\u0644 \u0627\u0644\u0643\u064A\u0645\u064A\u0627\u0626\u064A \u0627\u0644\u0630\u064A \u064A\u062A\u0636\u0645\u0646 \u0646\u0632\u0639 \u0627\u0644\u0645\u0627\u0621 \u0645\u0646 \u0627\u0644\u062C\u0632\u064A\u0626\u0627\u062A \u0627\u0644\u0645\u062A\u0641\u0627\u0639\u0644\u0629. \u062A\u0646\u062F\u0631\u062C \u062A\u0641\u0627\u0639\u0644\u0627\u062A \u0627\u0644\u0628\u0644\u0645\u0647\u0629 \u062A\u062D\u062A \u0625\u0637\u0627\u0631 \u062A\u0641\u0627\u0639\u0644\u0627\u062A \u0627\u0644\u062D\u0630\u0641. \u0628\u0645\u0627 \u0623\u0646 \u0645\u062C\u0645\u0648\u0639\u0629 \u0627\u0644\u0647\u064A\u062F\u0631\u0648\u0643\u0633\u064A\u0644 (OH-) \u062A\u0639\u062F \u0645\u062C\u0645\u0648\u0639\u0629 \u0645\u063A\u0627\u062F\u0631\u0629 \u0636\u0639\u064A\u0641\u0629\u060C \u064A\u062A\u0645 \u0627\u0633\u062A\u062E\u062F\u0627\u0645 \u0648\u0633\u0637 \u062D\u0645\u0636\u064A \u0645\u0646 \u0623\u062C\u0644 \u062A\u062D\u0641\u064A\u0632 \u0627\u0644\u062A\u0641\u0627\u0639\u0644\u060C \u062D\u064A\u062B \u062A\u062D\u062F\u062B \u0639\u0645\u0644\u064A\u0629 \u0628\u0631\u062A\u0646\u0629 (\u0625\u0636\u0627\u0641\u0629 \u0628\u0631\u0648\u062A\u0648\u0646) \u0625\u0644\u0649 \u0645\u062C\u0645\u0648\u0639\u0629 \u0627\u0644\u0647\u064A\u062F\u0631\u0648\u0643\u0633\u064A\u0644 \u0644\u062A\u0639\u0637\u064A -OH2+ \u0648\u0627\u0644\u062A\u064A \u062A\u063A\u0627\u062F\u0631 \u0628\u0633\u0647\u0648\u0644\u0629 \u0623\u0643\u0628\u0631. \u064A\u0648\u062C\u062F \u0627\u0644\u0639\u062F\u064A\u062F \u0645\u0646 \u0627\u0644\u0623\u0645\u062B\u0644\u0629 \u0639\u0644\u0649 \u062A\u0641\u0627\u0639\u0644 \u0627\u0644\u0628\u0644\u0645\u0647\u0629 \u0641\u064A \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639 \u0627\u0644\u0639\u0636\u0648\u064A:"@ar . . . . . "Disidratazione (chimica)"@it . . . . . . . . . "La reacci\u00F3 de deshidrataci\u00F3 o la s\u00EDntesi de deshidrataci\u00F3, tamb\u00E9 anomenada hidrogenaci\u00F3 de Zimmer, en qu\u00EDmica o ci\u00E8ncies biol\u00F2giques, es defineix normalment com una reacci\u00F3 qu\u00EDmica que implica la p\u00E8rdua d'aigua per part de la mol\u00E8cula que reacciona. Les reaccions de deshidrataci\u00F3 s\u00F3n un subgrup de les reaccions d'eliminaci\u00F3. Com que el grup hidroxil (OH) \u00E9s un grup sortint pobre, tenir un com catalitador sovint ajuda a protonatar el grup hidroxil per donar un grup sortint millor \u2013OH\u2082+. La reacci\u00F3 inversa de la reacci\u00F3 de deshidrataci\u00F3, \u00E9s la reacci\u00F3 d'hidrataci\u00F3."@ca . . . . . "\u5931\u6C34\u53CD\u5E94\uFF0C\u4E5F\u79F0\u8131\u6C34\u53CD\u5E94\uFF0C\u662F\u6D88\u9664\u53CD\u5E94\u7684\u4E00\u7C7B\uFF0C\u53CD\u5E94\u4E2D\u53CD\u5E94\u7269\u53D1\u751F\u812B\u53BB\u6C34\u7684\u5316\u5B66\u53CD\u5E94\u3002\u52A0\u901F\u5931\u6C34\u53CD\u5E94\u8FDB\u884C\u7684\u5316\u5B66\u8BD5\u5242\u4E00\u822C\u79F0\u4E3A\u5931\u6C34\u5242\u3002\u9187\u5931\u6C34\u6210\u70EF\u6216\u919A\u7684\u53CD\u5E94\u662F\u5E38\u89C1\u7684\u5931\u6C34\u53CD\u5E94\u4E4B\u4E00\uFF0C\u53CD\u5E94\u901A\u5E38\u9700\u8981\u501F\u52A9\u5E03\u6717\u65AF\u7279\u9178\u50AC\u5316\uFF0C\u4EE5\u4F7F\u4E0D\u597D\u7684\u79BB\u53BB\u57FA\u56E2\u7F9F\u57FA\uFF08-OH\uFF09\u8F6C\u5316\u4E3A\u6613\u79BB\u53BB\u7684\u6C34\uFF08-OH2+\uFF09\u3002 \u6709\u673A\u5408\u6210\u4E2D\u7684\u5931\u6C34\u53CD\u5E94\u4E3B\u8981\u6709\uFF1A \n* \u9187\u5931\u6C34\u6210\u919A\uFF1A2 R-OH \u2192 R-O-R + H2O \n* \u9187\u5931\u6C34\u6210\u70EF\uFF1AR-CH2-CHOH-R \u2192 R-CH=CH-R + H2O \n* \u7FA7\u9178\u5931\u6C34\u6210\u9178\u9150\uFF1A2 RCO2H \u2192 (RCO)2O + H2O \n* \u9170\u80FA\u5931\u6C34\u6210\u8148\uFF1ARCONH2 \u2192 R-CN + H2O \n* \uFF08Dienol benzene rearrangement\uFF09\uFF1A \n* \u8517\u7CD6\u6216\u5176\u5B83\u6709\u673A\u5316\u5408\u7269\u5931\u6C34\uFF1A[1]C12H22O11 + 98% H2SO4 \u2192 12 C (\u77F3\u58A8\u7C89) + 11 H2O(g) + \u786B\u9178/\u6C34\u6DF7\u5408\u7269 \u6D53\u786B\u9178\u4E0E\u6C34\u53D1\u751F\u5F3A\u70C8\u653E\u70ED\u53CD\u5E94\uFF0C\u63A8\u52A8\u4E86\u4E0A\u8FF0\u53CD\u5E94\u8FDB\u884C\u3002 \u5E38\u89C1\u7684\u5931\u6C34\u5242\u6709\uFF1A\u6D53\u786B\u9178\u3001\u6D53\u78F7\u9178\u3001\u70ED\u6C27\u5316\u94DD\u53CA\u70ED\u7684\u9676\u74F7\u6750\u6599\u3002"@zh . . . . . "In chemistry, a dehydration reaction is a chemical reaction that involves the loss of water from the reacting molecule or ion. Dehydration reactions are common processes, the reverse of a hydration reaction."@en . . . . . . . . . . . . . . . . . . . . . "( \uC774 \uBB38\uC11C\uB294 \uBD84\uC790\uC5D0\uC11C \uBB3C \uBD84\uC790\uB97C \uC81C\uAC70\uD558\uB294 \uD654\uD559 \uBC18\uC751\uC5D0 \uAD00\uD55C \uAC83\uC785\uB2C8\uB2E4. \uC6A9\uB9E4\uC640 \uBC18\uC751\uBB3C\uC5D0\uC11C\uC758 \uC218\uBD84\uC758 \uC81C\uAC70\uC5D0 \uB300\uD574\uC11C\uB294 \uAC74\uC870 \uBB38\uC11C\uB97C \uCC38\uACE0\uD558\uC2ED\uC2DC\uC624.) \uD654\uD559\uACFC \uC0DD\uBB3C\uD559\uC5D0\uC11C \uD0C8\uC218 \uBC18\uC751(dehydration reaction)\uC740 \uBCF4\uD1B5 \uBC18\uC751 \uBD84\uC790\uB85C\uBD80\uD130\uC758 \uBB3C \uBD84\uC790\uC758 \uC81C\uAC70\uB97C \uD3EC\uD568\uD558\uB294 \uD654\uD559 \uBC18\uC751\uC73C\uB85C \uC815\uC758\uB41C\uB2E4. \uC5B4\uB5A4 \uBB3C\uC9C8\uC744 \uC774\uB8E8\uACE0 \uC788\uB294 \uC131\uBD84 \uC6D0\uC18C \uC911 \uC218\uC18C\uC640 \uC0B0\uC18C\uB97C \uC81C\uAC70\uD558\uAC70\uB098 \uBB3C\uC758 \uBD84\uB9AC\uC5D0 \uC758\uD55C \uCD95\uD569 \uBC18\uC751\uC744 \uD589\uD558\uB294 \uC77C\uC744 \uB9D0\uD55C\uB2E4. \uD0C8\uC218 \uBC18\uC751\uC740 \uC911\uD569 \uBC18\uC751(condensation reaction)\uC758 \uBD80\uBD84 \uC9D1\uD569(subset)\uC774\uB2E4. \uC218\uC0B0\uD654\uAE30(\u2013OH)\uB294 \uC548 \uC88B\uC740 \uC774\uD0C8\uAE30(leaving group)\uC774\uAE30 \uB54C\uBB38\uC5D0, (Br\u00F8nsted acid)\uC744 \uAC00\uC9C0\uB294 \uAC83\uC740 \uC218\uC0B0\uD654\uAE30\uAC00 \uB354 \uC88B\uC740 \uC774\uD0C8\uAE30\uC778 \u2013OH2+ \uADF8\uB8F9\uC744 \uAC00\uC9C0\uB294 \uAC83\uC744 (protonating)\uB97C \uD1B5\uD558\uC5EC \uC885\uC885 \uB3C4\uC640\uC900\uB2E4. \uD0C8\uC218 \uBC18\uC751\uC758 \uBC18\uB300\uB294 \uC218\uD654 \uBC18\uC751(hydration reaction)\uC774\uB2E4. \uC720\uAE30 \uD569\uC131(organic synthesis)\uC5D0 \uC4F0\uC774\uB294 \uC77C\uBC18\uC801\uC778 \uD0C8\uC218 \uC2DC\uC57D(dehydrating agent)\uC5D0\uB294 \uC9C4\uD55C \uD669\uC0B0, \uC9C4\uD55C \uC778\uC0B0, \uB728\uAC70\uC6B4 \uC0B0\uD654 \uC54C\uB8E8\uBBF8\uB284\uACFC \uB728\uAC70\uC6B4 \uC138\uB77C\uBBF9(ceramic)\uC774 \uC788\uB2E4."@ko . . . . "Dehydration reaction"@en . . . . . . . . "Dehydratie (scheikunde)"@nl . "En qu\u00EDmica, una reacci\u00F3n de deshidrataci\u00F3n, tambi\u00E9n conocida como Hidrogenese de Zimmer, es aquella que implica la p\u00E9rdida de agua. En s\u00EDntesis org\u00E1nica, donde a menudo se usa un \u00E1cido como catalizador, existen numerosos ejemplos de reacciones de deshidrataci\u00F3n:"@es . "\u8131\u6C34\u53CD\u5FDC\uFF08\u3060\u3063\u3059\u3044\u306F\u3093\u306E\u3046:Dehydration reaction\uFF09\u3068\u306F\u3001\u5206\u5B50\u5185\u3042\u308B\u3044\u306F\u5206\u5B50\u9593\u304B\u3089\u6C34\u5206\u5B50\u304C\u8131\u96E2\u3059\u308B\u3053\u3068\u3067\u9032\u884C\u3059\u308B\u5316\u5B66\u53CD\u5FDC\u3067\u3042\u308B\u3002"@ja . . . . . "( \uC774 \uBB38\uC11C\uB294 \uBD84\uC790\uC5D0\uC11C \uBB3C \uBD84\uC790\uB97C \uC81C\uAC70\uD558\uB294 \uD654\uD559 \uBC18\uC751\uC5D0 \uAD00\uD55C \uAC83\uC785\uB2C8\uB2E4. \uC6A9\uB9E4\uC640 \uBC18\uC751\uBB3C\uC5D0\uC11C\uC758 \uC218\uBD84\uC758 \uC81C\uAC70\uC5D0 \uB300\uD574\uC11C\uB294 \uAC74\uC870 \uBB38\uC11C\uB97C \uCC38\uACE0\uD558\uC2ED\uC2DC\uC624.) \uD654\uD559\uACFC \uC0DD\uBB3C\uD559\uC5D0\uC11C \uD0C8\uC218 \uBC18\uC751(dehydration reaction)\uC740 \uBCF4\uD1B5 \uBC18\uC751 \uBD84\uC790\uB85C\uBD80\uD130\uC758 \uBB3C \uBD84\uC790\uC758 \uC81C\uAC70\uB97C \uD3EC\uD568\uD558\uB294 \uD654\uD559 \uBC18\uC751\uC73C\uB85C \uC815\uC758\uB41C\uB2E4. \uC5B4\uB5A4 \uBB3C\uC9C8\uC744 \uC774\uB8E8\uACE0 \uC788\uB294 \uC131\uBD84 \uC6D0\uC18C \uC911 \uC218\uC18C\uC640 \uC0B0\uC18C\uB97C \uC81C\uAC70\uD558\uAC70\uB098 \uBB3C\uC758 \uBD84\uB9AC\uC5D0 \uC758\uD55C \uCD95\uD569 \uBC18\uC751\uC744 \uD589\uD558\uB294 \uC77C\uC744 \uB9D0\uD55C\uB2E4. \uD0C8\uC218 \uBC18\uC751\uC740 \uC911\uD569 \uBC18\uC751(condensation reaction)\uC758 \uBD80\uBD84 \uC9D1\uD569(subset)\uC774\uB2E4. \uC218\uC0B0\uD654\uAE30(\u2013OH)\uB294 \uC548 \uC88B\uC740 \uC774\uD0C8\uAE30(leaving group)\uC774\uAE30 \uB54C\uBB38\uC5D0, (Br\u00F8nsted acid)\uC744 \uAC00\uC9C0\uB294 \uAC83\uC740 \uC218\uC0B0\uD654\uAE30\uAC00 \uB354 \uC88B\uC740 \uC774\uD0C8\uAE30\uC778 \u2013OH2+ \uADF8\uB8F9\uC744 \uAC00\uC9C0\uB294 \uAC83\uC744 (protonating)\uB97C \uD1B5\uD558\uC5EC \uC885\uC885 \uB3C4\uC640\uC900\uB2E4. \uD0C8\uC218 \uBC18\uC751\uC758 \uBC18\uB300\uB294 \uC218\uD654 \uBC18\uC751(hydration reaction)\uC774\uB2E4. \uC720\uAE30 \uD569\uC131(organic synthesis)\uC5D0 \uC4F0\uC774\uB294 \uC77C\uBC18\uC801\uC778 \uD0C8\uC218 \uC2DC\uC57D(dehydrating agent)\uC5D0\uB294 \uC9C4\uD55C \uD669\uC0B0, \uC9C4\uD55C \uC778\uC0B0, \uB728\uAC70\uC6B4 \uC0B0\uD654 \uC54C\uB8E8\uBBF8\uB284\uACFC \uB728\uAC70\uC6B4 \uC138\uB77C\uBBF9(ceramic)\uC774 \uC788\uB2E4."@ko . . . . . . . . . . . . . "La disidratazione, chiamata anche idrogenesi di Zimmer, in chimica e nelle scienze biologiche, \u00E8 una reazione risultante da un processo che porta all'eliminazione di una molecola di acqua dalla molecola reagente. Le reazioni di disidratazione sono un sottoinsieme delle reazioni di eliminazione."@it . . . . . . . . . . . . . . . . . . . . . . "1566642"^^ . . "\u0420\u0435\u0430\u043A\u0446\u0438\u044F \u0434\u0435\u0433\u0438\u0434\u0440\u0430\u0442\u0430\u0446\u0438\u0438"@ru . "\u0414\u0435\u0433\u0438\u0434\u0440\u0430\u0442\u0430\u0301\u0446\u0438\u044F (\u0438\u043D\u043E\u0433\u0434\u0430 \u043E\u0448\u0438\u0431\u043E\u0447\u043D\u043E \u043D\u0430\u0437\u044B\u0432\u0430\u044E\u0442 \u0434\u0435\u0433\u0438\u0434\u0440\u0430\u0446\u0438\u0435\u0439) \u2014 \u0440\u0435\u0430\u043A\u0446\u0438\u044F \u043E\u0442\u0449\u0435\u043F\u043B\u0435\u043D\u0438\u044F \u0432\u043E\u0434\u044B \u043E\u0442 \u043C\u043E\u043B\u0435\u043A\u0443\u043B \u043E\u0440\u0433\u0430\u043D\u0438\u0447\u0435\u0441\u043A\u0438\u0445 \u0441\u043E\u0435\u0434\u0438\u043D\u0435\u043D\u0438\u0439 \u0438 \u043D\u0435\u043E\u0440\u0433\u0430\u043D\u0438\u0447\u0435\u0441\u043A\u0438\u0445 \u0441\u043E\u0435\u0434\u0438\u043D\u0435\u043D\u0438\u0439."@ru . "Reacci\u00F3n de deshidrataci\u00F3n"@es . . . "\u0414\u0435\u0433\u0456\u0434\u0440\u0430\u0442\u0430\u0301\u0446\u0456\u044F \u2014 \u0442\u0435\u0440\u043Ci\u0447\u043D\u0435 \u0430\u0431\u043E \u0445\u0456\u043Ci\u0447\u043D\u0435 \u0432i\u0434\u0449\u0435\u043F\u043B\u0435\u043D\u043D\u044F \u0432\u043E\u0434\u0438 \u0432i\u0434 \u043E\u0440\u0433\u0430\u043D\u0456\u0447\u043D\u0438\u0445 \u0447\u0438 \u043D\u0435\u043E\u0440\u0433\u0430\u043D\u0456\u0447\u043D\u0438\u0445 \u0441\u043F\u043E\u043B\u0443\u043A \u043Fi\u0434 \u0434i\u0454\u044E \u0434\u0435\u0433i\u0434\u0440\u0430\u0442\u0430\u043D\u0442i\u0432 \u0447\u0438 \u0442\u0435\u043C\u043F\u0435\u0440\u0430\u0442\u0443\u0440\u0438 \u0441\u0442\u0440\u0443\u043A\u0442\u0443\u0440\u043D\u0438\u0445 \u0435\u043B\u0435\u043C\u0435\u043D\u0442i\u0432 \u0432\u043E\u0434\u0438 (H+ \u0442\u0430 OH\u2013) \u0437 \u0443\u0442\u0432\u043E\u0440\u0435\u043D\u043D\u044F\u043C \u043A\u0440\u0430\u0442\u043D\u0438\u0445 \u0437\u0432'\u044F\u0437\u043Ai\u0432 \u0430\u0431\u043E \u0446\u0438\u043A\u043Bi\u0432."@uk . . . . "Dehydratisierung (Chemie)"@de . . "Reaksi dehidrasi dalam ilmu kimia biasanya didefinisikan sebagai reaksi yang melibatkan pelepasan air dari molekul yang bereaksi. Reaksi dehidrasi merupakan subset dari reaksi eliminasi. Karena gugus hidroksil (-OH) adalah gugus lepas yang buruk, pemberian katalis asam Br\u00F8nsted sering kali membantu protonasi gugus hidroksil, menjadikannya gugus lepas yang baik, -OH2+."@in . . . . . . . . "Die Dehydratisierung oder Dehydratation bezeichnet die Abspaltung von Wasser infolge einer chemischen Reaktion, also einer Eliminierungsreaktion (Elimination), aber auch die Abspaltung von Kristallwasser oder von Wasser aus Aquakomplexen. Im Gegensatz dazu bezeichnet der verwandte Begriff Dehydrierung die chemische Abspaltung von Wasserstoff. In Gegenwart von wasserabspaltenden Mitteln, wie konzentrierter Schwefels\u00E4ure, Phosphors\u00E4ure oder wasserfreiem Zinkchlorid, reagieren Alkohole in der W\u00E4rme unter intramolekularer Wasserabspaltung zu den entsprechenden Alkenen. Besonders leicht dehydratisieren die terti\u00E4ren Alkohole. Gro\u00DFtechnisch kann die Dehydratisierung der Alkohole unter Druck katalytisch in der Gasphase durchgef\u00FChrt werden. Allerdings hat \u2013 wegen der leichten Verf\u00FCgbarkeit von Alkenen aus petrochemischen Quellen \u2013 die Bedeutung der Dehydratisierung von Alkoholen zu Alkenen abgenommen. Vielmehr werden Alkohole in gro\u00DFem Umfang durch Hydratisierung von Alkenen gewonnen. Man kann die Vorzugsrichtung, an welcher die Doppelbindung gebildet wird, der Saytzeff-Regel \u2013 nach Alexander Michailowitsch Saizew (1841\u20131910) \u2013 entnehmen. Sie besagt, dass das erforderliche Wasserstoffatom vom wasserstoff\u00E4rmsten benachbarten Kohlenstoffatom entfernt und das h\u00F6chstsubstituierte (und somit thermodynamisch stabilste) Alken gebildet wird. Alkohole k\u00F6nnen auch in einer intermolekularen Dehydratisierung reagieren. So entsteht aus je zwei Molek\u00FClen Ethanol bei der technischen Dehydratisierung in der Gasphase bei 260 \u00B0C ein Molek\u00FCl Diethylether. Ein weiteres wichtiges Beispiel f\u00FCr eine Dehydratisierung ist die Bildung von S\u00E4ureanhydriden durch Wasserabspaltung aus den entsprechenden S\u00E4uren, zum Beispiel die technische Herstellung von Essigs\u00E4ureanhydrid aus Essigs\u00E4ure oder von Phthals\u00E4ureanhydrid aus Phthals\u00E4ure."@de . "La disidratazione, chiamata anche idrogenesi di Zimmer, in chimica e nelle scienze biologiche, \u00E8 una reazione risultante da un processo che porta all'eliminazione di una molecola di acqua dalla molecola reagente. Le reazioni di disidratazione sono un sottoinsieme delle reazioni di eliminazione."@it . . . . . . . "\u0627\u0644\u0628\u0644\u0645\u0647\u0629 \u0623\u0648 \u0646\u0632\u0639 \u0627\u0644\u0645\u0627\u0621 \u0623\u0648 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0627\u0621 \u064A\u0634\u064A\u0631 \u0641\u064A \u0627\u0644\u0643\u064A\u0645\u064A\u0627\u0621 \u0625\u0644\u0649 \u0627\u0644\u062A\u0641\u0627\u0639\u0644 \u0627\u0644\u0643\u064A\u0645\u064A\u0627\u0626\u064A \u0627\u0644\u0630\u064A \u064A\u062A\u0636\u0645\u0646 \u0646\u0632\u0639 \u0627\u0644\u0645\u0627\u0621 \u0645\u0646 \u0627\u0644\u062C\u0632\u064A\u0626\u0627\u062A \u0627\u0644\u0645\u062A\u0641\u0627\u0639\u0644\u0629. \u062A\u0646\u062F\u0631\u062C \u062A\u0641\u0627\u0639\u0644\u0627\u062A \u0627\u0644\u0628\u0644\u0645\u0647\u0629 \u062A\u062D\u062A \u0625\u0637\u0627\u0631 \u062A\u0641\u0627\u0639\u0644\u0627\u062A \u0627\u0644\u062D\u0630\u0641. \u0628\u0645\u0627 \u0623\u0646 \u0645\u062C\u0645\u0648\u0639\u0629 \u0627\u0644\u0647\u064A\u062F\u0631\u0648\u0643\u0633\u064A\u0644 (OH-) \u062A\u0639\u062F \u0645\u062C\u0645\u0648\u0639\u0629 \u0645\u063A\u0627\u062F\u0631\u0629 \u0636\u0639\u064A\u0641\u0629\u060C \u064A\u062A\u0645 \u0627\u0633\u062A\u062E\u062F\u0627\u0645 \u0648\u0633\u0637 \u062D\u0645\u0636\u064A \u0645\u0646 \u0623\u062C\u0644 \u062A\u062D\u0641\u064A\u0632 \u0627\u0644\u062A\u0641\u0627\u0639\u0644\u060C \u062D\u064A\u062B \u062A\u062D\u062F\u062B \u0639\u0645\u0644\u064A\u0629 \u0628\u0631\u062A\u0646\u0629 (\u0625\u0636\u0627\u0641\u0629 \u0628\u0631\u0648\u062A\u0648\u0646) \u0625\u0644\u0649 \u0645\u062C\u0645\u0648\u0639\u0629 \u0627\u0644\u0647\u064A\u062F\u0631\u0648\u0643\u0633\u064A\u0644 \u0644\u062A\u0639\u0637\u064A -OH2+ \u0648\u0627\u0644\u062A\u064A \u062A\u063A\u0627\u062F\u0631 \u0628\u0633\u0647\u0648\u0644\u0629 \u0623\u0643\u0628\u0631. \u064A\u0648\u062C\u062F \u0627\u0644\u0639\u062F\u064A\u062F \u0645\u0646 \u0627\u0644\u0623\u0645\u062B\u0644\u0629 \u0639\u0644\u0649 \u062A\u0641\u0627\u0639\u0644 \u0627\u0644\u0628\u0644\u0645\u0647\u0629 \u0641\u064A \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639 \u0627\u0644\u0639\u0636\u0648\u064A: \n* \u062A\u062D\u0648\u064A\u0644 \u0627\u0644\u0643\u062D\u0648\u0644 \u0625\u0644\u0649 \u0625\u064A\u062B\u06312 R-OH \u2192 R-O-R + H2O \n* \u062A\u062D\u0648\u064A\u0644 \u0627\u0644\u0643\u062D\u0648\u0644 \u0625\u0644\u0649 \u0623\u0644\u0643\u064A\u0646\u0627\u062AR-CH2-CHOH-R \u2192 R-CH=CH-R + H2O \n* \u062A\u062D\u0648\u064A\u0644 \u0627\u0644\u062D\u0645\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0643\u0633\u064A\u0644\u064A \u0625\u0644\u0649 \u0628\u0644\u0627\u0645\u0627\u0621 \u0627\u0644\u062D\u0645\u0636 (\u0623\u0646\u0647\u064A\u062F\u0631\u064A\u062F)2 RCO2H \u2192 (RCO)2O + H2O \n* \u062A\u062D\u0648\u064A\u0644 \u0627\u0644\u0623\u0645\u064A\u062F \u0625\u0644\u0649 \u0646\u062A\u0631\u064A\u0644RCONH2 \u2192 R-CN + H2O \n* \u0641\u064A \u062A\u0641\u0627\u0639\u0644 \u0625\u0639\u0627\u062F\u0629 \u0627\u0644\u062A\u0631\u062A\u064A\u0628 \u0647\u0630\u0627\u060C \u0648\u0627\u0644\u0630\u064A \u064A\u062F\u0639\u0649 \u0625\u0639\u0627\u062F\u0629 \u062A\u0631\u062A\u064A\u0628 \u062B\u0646\u0627\u0626\u064A \u0625\u064A\u0646\u0648\u0644 \u0627\u0644\u0628\u0646\u0632\u0646:"@ar . . . . . "Reacci\u00F3 de deshidrataci\u00F3"@ca . . . . . . . . . . "In chemistry, a dehydration reaction is a chemical reaction that involves the loss of water from the reacting molecule or ion. Dehydration reactions are common processes, the reverse of a hydration reaction."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . "\u8131\u6C34\u53CD\u5FDC\uFF08\u3060\u3063\u3059\u3044\u306F\u3093\u306E\u3046:Dehydration reaction\uFF09\u3068\u306F\u3001\u5206\u5B50\u5185\u3042\u308B\u3044\u306F\u5206\u5B50\u9593\u304B\u3089\u6C34\u5206\u5B50\u304C\u8131\u96E2\u3059\u308B\u3053\u3068\u3067\u9032\u884C\u3059\u308B\u5316\u5B66\u53CD\u5FDC\u3067\u3042\u308B\u3002"@ja . . . . "Desidrata\u00E7\u00E3o (qu\u00EDmica)"@pt . . . . . . . . . "Dehydrata\u010Dn\u00ED reakce, zkr\u00E1cen\u011B dehydratace, je chemick\u00E1 reakce, p\u0159i kter\u00E9 se z reaguj\u00EDc\u00ED molekuly nebo iontu od\u0161t\u011Bp\u00ED molekula vody, jde o opak hydrata\u010Dn\u00ED reakce, kdy se naopak p\u0159ipojuje molekula vody. K prov\u00E1d\u011Bn\u00ED takov\u00FDch reakc\u00ED se nejb\u011B\u017En\u011Bji pou\u017E\u00EDvaj\u00ED kyselina s\u00EDrov\u00E1 a oxid hlinit\u00FD, \u010Dasto se reaguj\u00EDc\u00ED l\u00E1tka zah\u0159\u00EDv\u00E1."@cs . . . . . . . . . . "\u8131\u6C34\u53CD\u5FDC"@ja . . . . . . . . . . . . . . . . . . . . . . . . . "Bij dehydratie (of dehydratatie) kan in de scheikunde betrekking hebben op verschillende processen. De processen hebben met elkaar gemeen dat er H2O, water, aan een molecuul of stof onttrokken wordt. Bij dehydratatie wordt van een molecuul een OH-groep en een H-atoom van twee direct naast elkaar gelegen atomen afgesplitst onder vorming van water en een binding tussen de achterblijvende atomen. Afhankelijk van de uitgangsstoffen is de dehydratie een eliminatiereactie of een substitutiereactie."@nl . . . . . . . "Dehydrata\u010Dn\u00ED reakce, zkr\u00E1cen\u011B dehydratace, je chemick\u00E1 reakce, p\u0159i kter\u00E9 se z reaguj\u00EDc\u00ED molekuly nebo iontu od\u0161t\u011Bp\u00ED molekula vody, jde o opak hydrata\u010Dn\u00ED reakce, kdy se naopak p\u0159ipojuje molekula vody. K prov\u00E1d\u011Bn\u00ED takov\u00FDch reakc\u00ED se nejb\u011B\u017En\u011Bji pou\u017E\u00EDvaj\u00ED kyselina s\u00EDrov\u00E1 a oxid hlinit\u00FD, \u010Dasto se reaguj\u00EDc\u00ED l\u00E1tka zah\u0159\u00EDv\u00E1."@cs . . . . . . "\u0414\u0435\u0433\u0456\u0434\u0440\u0430\u0442\u0430\u0301\u0446\u0456\u044F \u2014 \u0442\u0435\u0440\u043Ci\u0447\u043D\u0435 \u0430\u0431\u043E \u0445\u0456\u043Ci\u0447\u043D\u0435 \u0432i\u0434\u0449\u0435\u043F\u043B\u0435\u043D\u043D\u044F \u0432\u043E\u0434\u0438 \u0432i\u0434 \u043E\u0440\u0433\u0430\u043D\u0456\u0447\u043D\u0438\u0445 \u0447\u0438 \u043D\u0435\u043E\u0440\u0433\u0430\u043D\u0456\u0447\u043D\u0438\u0445 \u0441\u043F\u043E\u043B\u0443\u043A \u043Fi\u0434 \u0434i\u0454\u044E \u0434\u0435\u0433i\u0434\u0440\u0430\u0442\u0430\u043D\u0442i\u0432 \u0447\u0438 \u0442\u0435\u043C\u043F\u0435\u0440\u0430\u0442\u0443\u0440\u0438 \u0441\u0442\u0440\u0443\u043A\u0442\u0443\u0440\u043D\u0438\u0445 \u0435\u043B\u0435\u043C\u0435\u043D\u0442i\u0432 \u0432\u043E\u0434\u0438 (H+ \u0442\u0430 OH\u2013) \u0437 \u0443\u0442\u0432\u043E\u0440\u0435\u043D\u043D\u044F\u043C \u043A\u0440\u0430\u0442\u043D\u0438\u0445 \u0437\u0432'\u044F\u0437\u043Ai\u0432 \u0430\u0431\u043E \u0446\u0438\u043A\u043Bi\u0432."@uk . . . "\u0628\u0644\u0645\u0647\u0629"@ar . . "Reaksi dehidrasi dalam ilmu kimia biasanya didefinisikan sebagai reaksi yang melibatkan pelepasan air dari molekul yang bereaksi. Reaksi dehidrasi merupakan subset dari reaksi eliminasi. Karena gugus hidroksil (-OH) adalah gugus lepas yang buruk, pemberian katalis asam Br\u00F8nsted sering kali membantu protonasi gugus hidroksil, menjadikannya gugus lepas yang baik, -OH2+."@in . . . "1107707334"^^ . . . . . . . . . . . . . . . . . . . "\u0414\u0435\u0433\u0438\u0434\u0440\u0430\u0442\u0430\u0301\u0446\u0438\u044F (\u0438\u043D\u043E\u0433\u0434\u0430 \u043E\u0448\u0438\u0431\u043E\u0447\u043D\u043E \u043D\u0430\u0437\u044B\u0432\u0430\u044E\u0442 \u0434\u0435\u0433\u0438\u0434\u0440\u0430\u0446\u0438\u0435\u0439) \u2014 \u0440\u0435\u0430\u043A\u0446\u0438\u044F \u043E\u0442\u0449\u0435\u043F\u043B\u0435\u043D\u0438\u044F \u0432\u043E\u0434\u044B \u043E\u0442 \u043C\u043E\u043B\u0435\u043A\u0443\u043B \u043E\u0440\u0433\u0430\u043D\u0438\u0447\u0435\u0441\u043A\u0438\u0445 \u0441\u043E\u0435\u0434\u0438\u043D\u0435\u043D\u0438\u0439 \u0438 \u043D\u0435\u043E\u0440\u0433\u0430\u043D\u0438\u0447\u0435\u0441\u043A\u0438\u0445 \u0441\u043E\u0435\u0434\u0438\u043D\u0435\u043D\u0438\u0439."@ru . . "En chimie, une r\u00E9action de d\u00E9shydratation est une r\u00E9action chimique dans laquelle le r\u00E9actif de d\u00E9part perd un atome d'hydrog\u00E8ne et un groupe hydroxyle, soit une mol\u00E9cule d'eau, l'inverse de la r\u00E9action d'hydratation. Les r\u00E9actions de d\u00E9shydratation sont une sous-cat\u00E9gorie des r\u00E9actions d'\u00E9limination. Dans les cellules, et plus particuli\u00E8rement lors de la \u03B2-oxydation des acides gras et de la glycolyse, les r\u00E9actions de d\u00E9shydratation sont catalys\u00E9es par des enzymes appel\u00E9es \u00AB d\u00E9shydratases \u00BB."@fr . . . . . . "La reacci\u00F3 de deshidrataci\u00F3 o la s\u00EDntesi de deshidrataci\u00F3, tamb\u00E9 anomenada hidrogenaci\u00F3 de Zimmer, en qu\u00EDmica o ci\u00E8ncies biol\u00F2giques, es defineix normalment com una reacci\u00F3 qu\u00EDmica que implica la p\u00E8rdua d'aigua per part de la mol\u00E8cula que reacciona. Les reaccions de deshidrataci\u00F3 s\u00F3n un subgrup de les reaccions d'eliminaci\u00F3. Com que el grup hidroxil (OH) \u00E9s un grup sortint pobre, tenir un com catalitador sovint ajuda a protonatar el grup hidroxil per donar un grup sortint millor \u2013OH\u2082+. La reacci\u00F3 inversa de la reacci\u00F3 de deshidrataci\u00F3, \u00E9s la reacci\u00F3 d'hidrataci\u00F3. Reaccions de deshidrataci\u00F3 i reaccions de s\u00EDntesi de deshidrataci\u00F3 tenen el mateix significat i sovint es poden usar de manera intercanviable. Dos monosac\u00E0rids, com la glucosa i la fructosa, es poden unir (per formar la sacarosa) usant la s\u00EDntesi de deshidrataci\u00F3. La nova mol\u00E8cula que consta de dos monosac\u00E0rids es diu un disac\u00E0rid. El proc\u00E9s de la hidr\u00F2lisi \u00E9s la reacci\u00F3 inversa, osa que significa que l'aigua es recombina amb els grups hidroxil i el disac\u00E0rid torna a ser dos monosac\u00E0rids. En la reacci\u00F3 de condensaci\u00F3, que hi est\u00E0 relacionada, l'aigua s'allibera des de dos reactius diferents."@ca . . . . . . . . . . . . "Reaksi dehidrasi"@in . . . . . . . . . . . . . . . "\u0414\u0435\u0433\u0456\u0434\u0440\u0430\u0442\u0430\u0446\u0456\u044F"@uk . . . . . "Dehydrata\u010Dn\u00ED reakce"@cs . . . . "R\u00E9action de d\u00E9shydratation"@fr . . . . . . . . . "En qu\u00EDmica, una reacci\u00F3n de deshidrataci\u00F3n, tambi\u00E9n conocida como Hidrogenese de Zimmer, es aquella que implica la p\u00E9rdida de agua. En s\u00EDntesis org\u00E1nica, donde a menudo se usa un \u00E1cido como catalizador, existen numerosos ejemplos de reacciones de deshidrataci\u00F3n: \n* Conversi\u00F3n de alcoholes a \u00E9teres:\u20A52 R-OH \u2192 R-O-R + H2O \n* Conversi\u00F3n de alcoholes a alquenos:R-CH2-CHOH-R \u2192 R-CH=CH-R + H2O \n* Conversi\u00F3n de \u00E1cidos carb\u00F3x\u00EDlicos a anh\u00EDdridos de \u00E1cido (o anh\u00EDdridos carbox\u00EDlicos):2 RCO2H \u2192 (RCO)2O + H2O \n* Conversi\u00F3n de amidas a nitrilos:RCONH2 \u2192 R-CN + H2O \n* Datos: Q1183091 \n* Multimedia: Dehydration reactions / Q1183091"@es . . . . "\uD0C8\uC218 \uBC18\uC751"@ko . . . . . "Bij dehydratie (of dehydratatie) kan in de scheikunde betrekking hebben op verschillende processen. De processen hebben met elkaar gemeen dat er H2O, water, aan een molecuul of stof onttrokken wordt. Bij dehydratatie wordt van een molecuul een OH-groep en een H-atoom van twee direct naast elkaar gelegen atomen afgesplitst onder vorming van water en een binding tussen de achterblijvende atomen. Afhankelijk van de uitgangsstoffen is de dehydratie een eliminatiereactie of een substitutiereactie."@nl . . .