Preparation of Highly Substituted 4-Aminopyridones via the Reaction of 2-Methylene Dihydrobenzimidazole with Vinyl Isocyanates
作者:James H. Rigby、Chee-Seng Lee
DOI:10.1021/ol034263k
日期:2003.4.1
[reaction: see text] The rapid construction of highly substituted 4-aminopyridones was achieved employing an efficient cyclization between various vinyl isocyanates and 2-methylene dihydrobenzimidazole.
[4 + 1] Cycloaddition of N-Heterocyclic Carbenes with Vinyl Isocyanates
作者:James H. Rigby、Zhengqiang Wang
DOI:10.1021/ol026927g
日期:2002.11.1
graphicN-Heterocyclic carbenes have been found to undergo [4 + 1] cycloaddition with various vinyl isocyanates to afford functionalized hydroindolone products.