Polyene aldehydes are made by reaction of a carbonyl compound of formula: ##STR1## in which R denotes a hydrocarbon radical and R' denotes hydrogen or alkyl, with a metal derivative of a halogen compound of formula: ##STR2## in which X denotes halogen (preferably bromine), R.sub.3 is alkyl, and either R.sub.1 denotes hydrogen and R.sub.2 denotes an alkoxy radical indentical with OR.sub.3 or R.sub.1 and R.sub.2 together form a bond, followed by hydrolysis of the product obtained.
聚烯烃醛是由以下
化学反应制得的:将
化学式为##STR1##的羰基化合物(其中R表示烃基,R'表示氢或烷基)与以下
化学式的卤素化合物的
金属衍
生物反应:##STR2##其中X表示卤素(最好是
溴),R3为烷基,而R1表示氢,R2表示与OR3相同的烷氧基,或者R1和R2一起形成一个键,然后
水解所得产物。