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Photochemical cycloadditions of thioparabanates to olefins

✍ Scribed by Hans Gotthardt; Sonja Nieberl

Publisher
Elsevier Science
Year
1974
Tongue
French
Weight
171 KB
Volume
15
Category
Article
ISSN
0040-4039

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✦ Synopsis

Diarylthioketones 1,2 , thiophosgene3, and thione carbonates 4 react with substituted alkenes under photochemical conditions to give thietanes and in some cases, 1,4-dithianes. It is known that thioparabanates, A, undergo photoreduction in ethanolic solution5. However, the formation of a small amount (3%) of a thietane derivative has also been observed in the reaction of 18 with 2-5 methyl-2-butene

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