Journal of the Chemical Society. Chemical communications p. 114 - 115 (1991)
Update date:2022-08-16
Topics:
Cadogan, J. I. G.
Cradock, Stephen
Gillam, Susannah
Gosney, Ian
Cheleotropic extrusion of SO2 from readily prepared 3-vinyl-2,5-dihydrothiophene 1,1-dioxide 2 provides a clean and efficient route to <3>dendralene (3-methylenepenta-1,4-diene 1), the simplest member of the diene-transmissive polyenes, which contrary to previous reports is a stable, easily handed compound that shows unexpected selectivity in Diels-Alder cycloadditions, thus enhancing its utility as a tandem annelating reagent.
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