6,7-Dimethylene-3-thiabicyclo[3.2.0]heptane-3,3-dioxide, a masked form of [4]dendralene and conjunctive reagent for tandem annelations
- 1 January 1985
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 24,p. 1785-1786
- https://doi.org/10.1039/c39850001785
Abstract
Previous limitations of highly reactive [4]dendralene [3,4-dimethylenehexa-1,5-diene (1)] as a tandem annelating reagent in Diels–Alder reactions are overcome by use of its masked form, 6,7-dimethylene-3-thiabicyclo[3.2.0]-heptane-3,3dioxide (2), and subsequent extrusion of SO2 under flash vaccum pyrolytic conditions.Keywords
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