The first catalytic, highly enantioselective hetero-Diels–Alder reaction of thiabutadienes
Abstract
The catalytic, highly enantioselective hetero-Diels–Alder reactions of thiabutadienes using homochiral copper and nickel triflate and perchlorate bis(oxazoline) and bis(imine) complex catalysts to afford optically active dihydrothiopyrans are described for the first time.
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