Asymmetric cyclization reactions of N-benzoyl-α-dehydroarylalanine alkyl esters via photoinduced electron transfer from achiral and chiral amines

Article abstract of DOI:10.3987/COM-11-12193

Irradiation of the title compounds [(Z)-1] having (S)-(+)-sec-butyl, (-)- menthyl, and related chiral auxiliaries in methanol and 1,2-dichloroethane containing 2-(diethylamino)ethanol afforded chiral auxiliary-substituted (4S,5S)-, (4R,5R)-, (4R,5S)-, and