Jones RCF, Iley JN, Sanchis-Amat M, Zhang X, McKee V, Coles SJ, Gelbrich T. Imidazolium ylides from a conjugate addition-proton transfer route and their cycloaddition reactions.
Chem Commun (Camb) 2011;
47:7965-7. [PMID:
21670820 DOI:
10.1039/c1cc12255j]
[Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
4,5-Dihydroimidazolium ylides formed by conjugate addition-proton transfer from dihydroimidazoles and doubly-activated electron-deficient alkenes afford 2:1 cycloadducts in a one-pot process wherein the alkene also acts as a dipolarophile.
Collapse