Scalable Synthesis of Highly Reactive 1,3-Diamino Dienes from Vinamidinium Salts and Their Use in Diels–Alder Reactions
作者:Sida Zhou、Eduardo Sánchez-Larios、Michel Gravel
DOI:10.1021/jo202655h
日期:2012.4.6
A practical and chromatography-free synthesis of vinamidinium salts and their use as diene precursors in Diels–Alder reactions is reported. Additionally, 1,3-dipyrrolidino-1,3-butadiene was shown to be significantly more reactive than Rawal’s diene in a competition experiment.
报道了一种实用且无色谱法合成的钒胺盐及其在Diels-Alder反应中作为二烯前体的用途。此外,在竞争实验中,1,3-二吡咯烷基-1,3-丁二烯的反应活性明显高于Rawal的二烯。