以下为句子列表：
英文: A variety of aldehydes were converted into acylals in good yields with anhydride in the presence of a catalytic amount of zinc bromide under solvent-free conditions.
中文: 以醛和酸酐为原料，溴化锌为催化剂，无溶剂条件下高产率地合成了偕二酸酯（其中醛与苯甲酸酐的反应是首次报道）。
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英文: Abstract: The allylation reactions of hydrates of α- keto aldehydes and glyoxylates by diallyltin dibromo were carried out in water to give α- keto and α- ester homoallylic alcohols in good to excellent yields.
中文: 文摘:在水相中,α-羰基水合醛及水合醛酯与二溴二烯丙基锡作用可较高产率地生成α-羰基和α-酯基高烯丙基醇.
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英文: Glyceraldehydes (CHOCH (OH)-CH2OH) A simple monosaccharide bearing an aldehyde group.
中文: 甘油醛：分子式为[CHOCH（OH）-CH2OH]，它是具醛基的一种简单的单糖。
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英文: A series of compounds containing tetrahydropyrimidinone ring were synthesized via condensation of asparagine t -butyl ester with aromatic aldehydes and amino acid chlorides.
中文: 由苯甲醛或取代苯甲醛与天冬酰胺叔丁酯和氨基酸酰氯的环化缩合反应合成了一系列四氢嘧啶酮衍生物 ,由核磁共振测定了产物的构象和构象转化的活化自由能。
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英文: Both cis-and trans-,-diaryl-,,7,8-tetrahydro[,] oxazepino[, -c]sydnones prepared from the reaction of -( -phenyl- -hydroxylpropyl)sydnone and aromatic aldehydes are stable isomers and can be isolated and purified by chromatography commonly.
中文: 用 -( -苯基- -羟基丙基)斯德酮和芳香醛反应合成了cis-和trans-,,7,8-四氢-,-二芳基氧杂吖庚因[, -c]斯德酮,这两种异构体在通常情况下都是稳定的,可以用柱层析进行分离提纯.
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