
Journal of Organic Chemistry p. 3506 - 3511 (1982)
Update date:2022-08-03
Topics:
Katritzky, Alan R.
El-Mowafy, Azzahra M.
Primary alkyl primary amines react with the pentacyclic pyrylium 2 to give the corresponding pyridiniums which thermolyze at 150-180 deg C into the olefins in high yield.The terminal olefins are accompanied by cis- and trans-2-olefinic isomers: proportions are elucidated by GLC and advantageously by 13C NMR spectroscopy, combining gated decoupling and (acac)3CrIII.
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Doi:10.1021/om00068a016
(1982)Doi:10.1021/acs.joc.5b00505
(2015)Doi:10.1039/c2cc34013e
(2012)Doi:10.1021/ol048145o
(2004)Doi:10.1016/S0040-4039(00)85607-5
(1982)Doi:10.1246/bcsj.55.1493
(1982)