KETOKETEN gem-DITHIOLS IN ORGANIC SYNTHESIS: SYNTHESIS OF NEW THIOPYRANS AND 1,3-DITHIOLANE DERIVATIVES
3-H IIIa,b and 4-H VIIa-c thiopyrans were prepared via reaction of gem dithiols Ia,b with nitriles.The dithiolanes IXa also could be obtained from reaction of Ia,b with cinnamoylidene anilines. Key words: Thiopyrans and dithiolanes, ketoketen gem-dithiol,
Zayed, Salem E.
p. 193 - 196
(2007/10/02)
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