Croisetière JP, Spino C. O-Heterocycles from Unsaturated Carbonyls and Dimethoxycarbene.
J Org Chem 2018;
83:5609-5618. [PMID:
29682963 DOI:
10.1021/acs.joc.8b00613]
[Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The (4+1)-annulation of dimethoxycarbene with readily accessible α,β-unsaturated carbonyls gives cyclic orthoesters, which can then be converted in just a few steps to other O-heterocycles, including methoxyfurans, furanones, and furans.
Collapse