Tetrahedron Letters p. 2111 - 2114 (1988)
Update date:2022-08-05
Topics:
Deb, B.
Asokan, C.V.
Ila, H.
Junjappa, H.
α-Bis(methylthio)methylenealkyl cyclopropyl ketones 4, prepared by the addition of dimethyloxosulphonium methylide to the respective α-cinnamoylketene dithioacetals 3, undergo facile acid catalyzed intramolecular cyclization with participation of bis(meth
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