Novel annulation reactions of aryl methyl ketenes with zwitterions derived from dimethyl acetylenedicarboxylate and N-alkylimidazoles

Cheng Ma; Hanfeng Ding; Yanguang Wang

doi:10.1021/ol061126p

Novel annulation reactions of aryl methyl ketenes with zwitterions derived from dimethyl acetylenedicarboxylate and N-alkylimidazoles

Org Lett. 2006 Jul 6;8(14):3133-6. doi: 10.1021/ol061126p.

Authors

Cheng Ma¹, Hanfeng Ding, Yanguang Wang

Affiliation

¹ Department of Chemistry, Zhejiang University, Hangzhou, China. mcorg@zju.edu.cn

PMID: 16805570
DOI: 10.1021/ol061126p

Abstract

[reaction: see text] A novel three-component annulation reaction involving N-alkylimidazoles, dimethyl acetylenedicarboxylate, and in situ generated aryl methyl ketenes leading to the synthesis of 6-vinyl-1,3a-diazapentalene derivatives is reported.