... 绿茵叶绿素 chlorobium chlorophyll 氯丁醛 chlorobutyraldehyde 氯丁酸 chlorobutyric acid ...
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氯丁醛缩二乙醇 Chlorobutyraldehyde diethyl acetal
氯丁醛缩二甲醇 CHLORO BUTYALDEHYDE DIMETHYL ACETAL
4-氯丁醛缩二乙醇 Chlorobutyraldehyde diethyl acetal ; Chlorobutanal diethyl acetal
4-氯丁醛缩二甲醇 CHLORO BUTYALDEHYDE DIMETHYL ACETAL ; Chlorobutanal dimethyl acetal
三氯丁醛 trichlorobutyraldehyde
氯丁醛二乙基乙缩醛 Chlorobutyraldehyde diethyl acetal
二氯代丁烯醛酸 dichloromalealdehydic acid
丁氯醛 butyl chloral ; croton chloral
水合丁氯醛 butylchloral hydrate
目的改进4-氯丁醛缩醛的合成方法。
OBJECTIVE To synthesize 4-chlorobutanal acetal by improved method.
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.
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