在碱性催化剂的存在下，甲醛和丁醛经羟醛缩合反应合成2,2—二羟甲基丁醛。
Respectively using barium hydroxide and a basic anion exchanger as a catalyst, 2, 2-bis (hydroxymethyl) butyraldehyde is prepared from the Aldol condensation of butyraldehyde with formaldehyde.
建立了2,2二羟甲基丁醛氧化液中反应物以及产物的高效液相色谱(HPLC)分析方法。
HPLC method separating the reactants and products in the oxidation of 2, 2 bis (hydroxymethyl) butyric aldehyde was experimentally investigated.
气味来源：壬烷，邻苯二甲酸脂，正丁醛，二甲基砜，吲哚
咪草烟的合成可以用3-甲基-2- 丁酮、正丁醛、 粘氯酸或草酸二乙酯等原料，经八步反应制得。
Imazethapyr is synthesized from 3 - methyl - 2 - butanone. Butyraldehyde, nucochloric acid or diethyl oxalate by eight steps reaction.
本文介绍了丁辛醇装置副产物异丁醛的缩合产品2,2,4-三甲基-1,3 -戊二醇单异丁酸酯的性质、用途、合成及分离工艺条件。
The properties, applications, and process conditions for synthesis and separation of 2, 2, 4 -trimethyl - 1, 3 - pentanediol isobutyrate are introduced.
研究了一种直接环合的方法，用2-氯-2氯甲基- 4-氰基丁醛与三氯氧磷反应来制备2-氯-5-氯甲基吡啶。
A synthetic method of direct cyclization was researched that 2-chloro-2-chloromethyl-4-cyanobutyraldehyde was reacted with phosphorus oxychloride to get 2-chloro-5-chloromethylpyridine.
以异丁醛和甲醛为原料，三乙胺为催化剂，羟醛缩合法合成了2，2-二甲基-3-羟基丙醛。
The preparation of 2,2-dimethyl-3-hydroxy propanal from the condensation of formaldehyde and i-butyraldehyde by using triethylamine as catalyst was studied.
以异丁醛和甲醛为原料，三乙胺为催化剂，羟醛缩合法合成了2，2-二甲基-3-羟基丙醛。
The preparation of 2,2-dimethyl-3-hydroxy propanal from the condensation of formaldehyde and i-butyraldehyde by using triethylamine as catalyst was studied.
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