title: (1S*,4aR*,5S*,6S*,8aR*)-3-Benzyl-1-methyl-5,6-diphenyl-3,4,4a,5,6,8a-hexa-hydro-1H-2,3-benzoxazin-4-one.
abstract: In the title compound, C(28)H(27)NO(2), the oxazinone ring adopts a twist-boat conformation and the cyclo-hexene ring has a twisted envelope conformation. The crystal structure is stabilized by weak non-classical inter-molecular C-H⋯O hydrogen bonds.
authors.affiliation: Laboratory of Asymmetric Catalysis and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Wang
authors.forename: Jin-Long
authors.initials: JL
authors.lastname: Wu