132629-79-9Relevant articles and documents
Intramolecular Hetero Diels-Alder Reaction of 1-Thiabutadienes, 1-Aryl-3-propene-1-thiones and 2--3,4-dihydronaphthalene-1(2H)-thiones
Saito, Takao,Nagashima, Masumi,Karakasa, Takayuki,Motoki, Shinichi
, p. 1665 - 1667 (2007/10/02)
α,β-Unsaturated thioketones 4, 5 and 9, which are formed in situ by thionation of the corresponding ketones, undergo intramolecular hetero Diels-Alder reactions with high regio- and diastereo-selectivities (trans/cis) to give dihydrothiopyran-fused cycloadducts 6, 7 and 10.