Uncatalysed (thermal) and Lewis acid-promoted asymmetric hetero-Diels–Alder reaction of 1-thiabuta-1,3-dienes (thiochalcones) with di-(–)-menthyl fumarate. Configuration determination by X-ray crystallographic analysis of (2S,3R,4R)-(+)-2,3-bis[(–)-menthoxycarbonyl]-4,6-diphenyl-3,4-dihydro-2H-thiopyran and conversion of cycloadducts into optically pure diolsRoyal Society of Chemistry (RSC) - Số 15 - Trang 1897-1903
Takao Saito, H. Fujii, Satoshi Hayashibe, T. Matsushita, Hideo Kato, Kimiko Kobayashi