3-(12-Bromo­dodec­yl)-1,5-dimethyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione

The seven-membered ring in the title compound, C23H35BrN2O2, adopts a boat-shaped conformation (with the C atoms of the fused-ring as the stern and the methine C atom as the prow). The bromo­dodecyl substituent occupies an equatorial position, with the dodecyl chain exhibiting an extended conformation. Weak inter­molecular C—H⋯O hydrogen bonding is present in the crystal structure

1,3-Diallyl-5-chloro-1H-benzimidazol-2(3H)-one

The benzimidazolone part of the title mol­ecule, C13H13ClN2O, is almost planar (r.m.s. deviation = 0.006 Å) and its mean plane is aligned at dihedral angles of 62.5 (1) and 78.0 (1)° with respect to the mean planes of the allyl substituents

3-Allyl-1,5-dibenzyl-1,5-benzodiazepine-2,4-dione

The title compound, C26H24N2O2, features a benzene ring fused with a seven-membered diazepine ring; the latter ring adopts a boat conformation (with the allyl­dimethyl­amino­methyl-bearing C atom as the prow and the fused-ring C atoms as the stern)

3-(6-Bromo­hex­yl)-1,5-dimethyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione

The seven-membered ring in the title compound, C17H23BrN2O2, adopts a boat-shaped conformation (with the C atoms of the fused-ring as the stern and the methine C atom as the prow). The bromo­hexyl substituent occupies an equatorial position, with the hexyl chain exhibiting an extended conformation. Weak inter­molecular C—H⋯O hydrogen bonding is present in the crystal structure

3-[(1-Benzyl-1H-1,2,3-triazol-4-yl)methyl]-1,5-dimethyl-1,5-benzodiazepine-2,4-dione

The title compound, C21H21N5O2, is a 1,4-dimethyl-1,2,3-triazole having dimethyl­benzodiazepindione and phenyl substituents on each methyl group; the substituents are positioned on opposite sides of the five-membered ring. The seven-membered fused-ring of the larger substituent adopts a boat-shaped conformation (with the methine C atom as the prow)

1,5-Dimethyl-3-propargyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione

The asymmetric unit of the title compound, C14H14N2O2, comprises two independent mol­ecules, which slightly differ in the orientation of the propargyl chain. In both molecules, the diazepine ring adopts a boat conformation with the propargyl-bearing C atom as the prow and the C atoms at the ring junction as the stern. The carbonyl O atom of one independent mol­ecule is hydrogen bonded to the acetyl­enic H atom of the other independent mol­ecule. In the crystal, symmetry-related mol­ecules are linked together by C—H⋯O hydrogen bonds, forming a ribbon-like structure along the c axis

3-{[3-(4-Meth­oxy­phen­yl)-4,5-dihydro-1,2-oxazol-5-yl]meth­yl}-1,5-dimethyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione

The mol­ecule of the title compound, C22H23N3O4, features a benzodiazepine fused-ring system whose seven-membered ring adopts a boat-shaped conformation (with the C atoms of the fused-ring as the stern and the methine C atom as the prow). The methyl­ene C atom connected to the methine C atom occupies an equatorial position. The methyl­ene C atom is connected to the five-membered oxazole ring, both of which are disordered over two positions in a 0.634 (4):0.366 (4) ratio. Weak inter­molecular C—H⋯O hydrogen bonding is present in the crystal structure

7-Chloro-1,5-dipropargyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione

The seven-membered ring of the title compound, C15H11ClN2O2, adopts a boat-shaped conformation (with the C atoms of the fused-ring as the stern and the methyl­ene C atom as the prow). The N atoms exists in a trigonal–planar coordination; one of the acetyl­enic H atoms forms a C—H⋯O hydrogen bond to the O atom of an adjacent mol­ecule, generating a linear chain along a body diagonal

4-[(1,5-Dibenzyl-2,4-dioxo-2,3,4,5-tetra­hydro-1H-1,5-benzodiazepin-3-yl)meth­yl]-1-n-octyl-1H-1,2,3-triazole

The reaction of 1,5-dibenzyl-3-propargyl-1,5-benzodiazepine-2,4-dione with 1-azido-n-octane in the presence of catalysts leads to the formation of the title compound, C34H39N5O2, which features a phenyl­ene ring fused with a seven-membered diazepinyl ring. The latter ring adopts a boat conformation with the octyltriazolylmethyl-bearing C atom as the prow and the fused-ring C atoms as the stern. The octyltriazolylmethyl substituent occupies an axial position

1,3,3,5-Tetra­methyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione

The seven-membered ring in the title compound, C13H16N2O2, adopts a boat-shaped conformation (with the C atoms of the fused-ring as the stern and the C atom bearing two methyl groups) as the prow