%0 Journal Article %T tert-Butyl 6-amino-3,4-dihydro-2H-1,4-benzoxazine-4-carboxylate %A Xiao-Bo Gu %A Meng-Jun Jiang %A Gang-Ming Cai %A Yao-Yuan Zhou %J Acta Crystallographica Section E %D 2010 %I International Union of Crystallography %R 10.1107/s160053681004777x %X The title molecule, C13H18N2O3, contains a benzene ring fused to an oxazine ring and one tert-butoxycarbonyl group bound to the N atom of the oxazine ring. A weak intramolecular C¡ªH...O interaction occurs. In the crystal, intermolecular N¡ªH...O and C¡ªH...O hydrogen bonds stack the molecules down the b axis. Weak C¡ªH...N contacts connect the stacks, generating a three-dimensional network. %U http://scripts.iucr.org/cgi-bin/paper?S160053681004777X