Enantiopure (-)-trans-benzo[d] dithiine-S,S'-dioxide 4 was obtained by enantioselective oxidation of the parent benzo[d]dithiine. The reaction of the bis-sulfoxide with a series of cyclic dienes affords the corresponding Diels-Alder cycloadducts with diastereoselectivities ranging from fair to high and good chemical yields.
Synthesis and Diels-Alder reactions of enantiopure (-)-trans-benzo[d]-dithiine-S,S'-dioxide
LICINI, GIULIA MARINA;
1996
Abstract
Enantiopure (-)-trans-benzo[d] dithiine-S,S'-dioxide 4 was obtained by enantioselective oxidation of the parent benzo[d]dithiine. The reaction of the bis-sulfoxide with a series of cyclic dienes affords the corresponding Diels-Alder cycloadducts with diastereoselectivities ranging from fair to high and good chemical yields.
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