A novel method for the synthesis of α-bromocinnamaldehydes from aromatic aldehydes was developed. The catalytic olefination of hydrazones of aromatic aldehydes with 2-tribromomethyl-1,3-dioxolane affords ethylene acetals of the target products in yields from moderate to good.
研发了一种从芳香醛合成α-
溴肉桂醛的新方法。芳香醛的
肼衍
生物与2-三
溴甲基-1,3-二氧杂烷的催化烯烃化反应可以获得目标产物的
乙烯醚,产率从中等到良好不等。