title: tert-Butyl 6-acetamido-3,4-dihydro-2H-1,4-benzoxazine-4-carboxyl-ate.
abstract: The title mol-ecule, C(15)H(20)N(2)O(4), contains a benzene ring fused to an oxazine ring and one tert-but-oxy-carbonyl group bound to the N atom. An intra-molecular C-H⋯O inter-action occurs. In the crystal, mol-ecules are linked through inter-molecular N-H⋯O and C-H⋯O hydrogen bonds.
authors.affiliation: Key Laboratory of Nuclear Medicine, Ministry of Health, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, People's Republic of China.
authors.forename: Xiao-Bo
authors.initials: XB
authors.lastname: Gu