dehydration condensation

Catalytic Dehydration in the Condensation of Acetone-Mannitol by Cation-Exchanging Resins of Strong Acid Type

强酸性阳离子交换树脂在丙酮&甘露醇缩合反应中的催化脱水作用

This article studies the preparation of greenness environment solvent, 2-heptanone, with DMK ( propanone) and BD ( n-butyl aldehyde), via cross aldol condensation, dehydration with acid and catalyzed hydrogenation.

本论文探讨了以DMK（丙酮）与BD（丁醛）为原料，经交叉缩合、酸性脱水和催化加氢制备绿色环保型溶剂MAK（2-庚酮）的合成路线。

With the run time increasing, however, DIBK formation rate from MIBK and isopropanol condensation dehydration has an obvious drop, though isopropanol dehydrogenation rate and MIBK formation rate from isopropanol and acetone condensation dehydration are still relatively steady.

但随运行周期的延长，尽管其脱氢能力和对异丙醇与丙酮缩合脱水生成MIBK的能力相对稳定，但对MIBK与异丙醇缩合脱水生成DIBK的能力明显降低。

A novel heat-resisting modified epoxy resin was synthesized through the condensation of a hydroxy terminated poly ( methylphenylsiloxane), PMPS, and a bisphenol A epoxy resin, EP. The mechanism of the dehydration condensation reaction of PMPS and EP had been explored.

用羟基封端的聚甲基苯基硅氧烷（PMPS），经脱水缩合反应，对双酚A型环氧树脂进行改性，得到一种相容性好、内应力低的新型耐热环氧树脂。

Two or more amino acids form peptide chains through dehydration condensation, namely the original protein fragments, and then form proteins by one or more peptide chains in a particular way.

两个或两个以上的氨基酸经过脱水缩合形成肽链，即蛋白质的原始片断，再由一条或多条肽链按特定方式组合形成蛋白质。

With SnCl 2 · 2H 2O as catalyst, low molecule weight poly ( DL lactic acid) was synthesized using the coupling apparatus of azeotropic dehydration and condensation polymerization.

DL乳酸在催化作用下，采用共沸精馏聚合耦合装置，直接缩合聚合制得低分子量聚DL乳酸。

The solid base of NaOH adsorbed on MgO or CaO was used as condensation catalyst, and Pd/ C was used as hydrogenation catalyst. 2-Heptanone was synthesized from n-butyl aldehyde and propanone via cross al-dol condensation, dehydration, catalyzed hydrogenation.

用氧化镁或氧化钙负载氢氧化钠（NaOH）固体碱作缩合催化剂，钯/炭（Pd/C）作为加氢催化剂，由丁醛和丙酮经交叉酮醛缩合、脱水、催化加氢制得2-庚酮。

This review deals with the recent application of strongly acidic cation exchange resins as catalyst in hydration, etherification, cleavage of ether bonds, dehydration, aldol condensation, esterification, hydrolysis and alkylation, etc.

本文综述了近几年来强酸离子交换树脂催化剂在水合、醚化和醚键裂解、脱水、缩醛化、酯化、水解、烷基化反应等方面的应用。