The fluoride-induced desilylation of N-(trimethylsilylmethyl)carbodiimides and -ketenimine generates imino- and alkylidene-2-azaallyl anions which cycloadd to a variety of aldehydes giving regioisomeric 1,3-oxazolidines as cycloadducts.
氟化物诱导 N-(三甲基
硅甲基)碳二
亚胺和酮
亚胺发生脱
硅反应,生成亚
氨基和亚烷基-2-氮杂烯丙基阴离子,这些阴离子与多种
醛类发生环负载反应,生成 1,3-
噁唑烷作为环负载产物。