作者:Marine Pinaud、Emilie Plantiveau、Eric Huet、Erwan Le Gall、Marc Presset
DOI:10.1002/ejoc.202300572
日期:2023.8.21
The addition of alkylzinc halides to imines has been studied under different conditions. Whereas Mannich-type reactions with sulfonyl imines occurs upon simple heating, the use N-alkyl imines required an additional activation: the use of acetyl chloride led to the preparation of N-acyl tertiary amines whereas trimethylsilyl chloride afforded a direct access to unprotected secondary amines.
在不同条件下研究了烷基卤化锌与亚胺的加成反应。虽然与磺酰亚胺的曼尼希型反应在简单加热时发生,但使用N-烷基亚胺需要额外的活化:使用乙酰氯导致制备N-酰基叔胺,而三甲基氯硅烷可直接获得未保护的仲胺。