发明授权
US4691062A Process for the production of 4-chloro-butanals 失效
生产4-氯丁醛的方法

Process for the production of 4-chloro-butanals
摘要:
4-chloro-butanals of the formula ##STR1## where R is hydrogen or a straight or branched chain alkyl group of 1 to 4 carbon atoms are produced by reacting the corresponding 1,1-dimethoxy-4-hydroxybutane at a temperature between -20.degree. and +80.degree. C. in the presence of triphenylphosphine with carbon tetrachloride and hydrolyzing the 1,1-dimethoxy-4-chloro-butane obtained in acid medium.
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