已经开发了在无溶剂条件下由PT催化剂催化的酰亚胺和烷基卤化物的反应中酰亚胺的N-烷基化。该反应在K 2 CO 3的存在下发生,并且在许多情况下是自然发生的。在N-苄基化反应中,已经认识到TBAB(溴化四丁基铵)和TBAFB(四氟硼酸四丁基铵)显示出最高的催化作用。通过各种酰亚胺的N-苄基化和N-乙基化,已证实了无溶剂烷基化的多功能性和合成能力。所开发的方法使得容易获得N-(ω-溴烷基)酰亚胺。
Synthesis of 3,4-Dihydro-2H-pyrido[1,2-b]isoindol-1-one and 3,4-Dihydro-2H-pyrido[1,2-b]pyrrolidin-1-one Functionalized at the C-6 Position by an Intramolecular Horner-Wadsworth-Emmons Reaction
Novel polyheterocycles were prepared from a new annellation reaction which proceeds by nucleophilic substitution followed by an intramolecular Horner-Wads-worth-Emmons reaction between imides and beta-functionalized phosphonates.