[2-(3,4-Dimethyl­benzo­yl)phen­yl](4-meth­oxy­phen­yl)methanone

The title mol­ecule, C₂₃H₂₀O₃, is disordered with a 180° rotation about an axis normal to the length of the mol­ecule, with the major and minor components in a 0.545 (5):0.455 (5) ratio. In the major component, the central benzene ring forms dihedral angles of 72.34 (3) and 69.46 (3)° with the dimethyl-substituted and meth­oxy-substituted benzene rings, respectively. Moreover, the central benzene ring forms dihedral angles of 50.86 (5) and 58.43 (4)° with the mean planes of the ketone groups. In the minor component, the corresponding dihedral angles between the benzene rings are 71.36 (4) and 67.94 (4)° and the dihedral angles between the benzene ring and the ketone groups are 56.44 (9) and 55.51 (8)°. In the crystal, C—H...O inter­actions generate a C(9) chain along the a-axis direction.

14-Eth­oxy-4,6-dimethyl-9-phenyl-8,12-dioxa-4,6-diaza­tetra­cyclo­[8.8.0.0^2,7.0^13,18]octa­deca-2(7),13,15,17-tetra­ene-3,5,11-trione

In the title compound, C₂₃H₂₀N₂O₆, the fused pyrone and pyran rings each adopt a sofa conformation. The dihedral angle between the mean planes of the pyran and phenyl rings is 61.9 (1)°. In the crystal, mol­ecules are linked by two pairs of C—H...O hydrogen bonds, forming dimers. These dimers are linked via a third C—H...O hydrogen bond, forming a two-dimensional network parallel to (10-2).

14-Eth­oxy-4,6,9-trimethyl-8,12-dioxa-4,6-diaza­tetra­cyclo­[8.8.0.0^2,7.0^13,18]octa­deca-2(7),13,15,17-tetra­ene-3,5,11-trione

In the title compound, C₁₉H₂₀N₂O₆, the pyrone and pyran rings adopt envelope conformations with the same common C atom as the flap, the dihedral angle between the planes of the remaining ring atoms being 68.27 (4)°. The planar atoms of the pyran ring and the diaza­cyclic ring are almost coplanar, the dihedral angle between their mean planes being 3.29 (7)°. Moreover, the planar atoms of the pyrone ring and benzene ring of the coumarin unit are also close to coplanar, the dihedral angle between their mean planes being 8.03 (9)°. The meth­oxy group lies in the plane of the benzene ring, with a dihedral angle between their mean planes of 9.4 (2)°. In the crystal, the molecules are linked by C—H...O hydrogen bonds resulting in sheets of mol­ecules in the ac plane.

1′-(1,3-Diphenyl-1H-pyrazol-4-yl)-1′′-methyl-2′,3′,5′,6′,7′,7a'-octa­hydro-1′H-dispiro­[1-benzopyran-3,2′-pyrrolizine-3′,3′′-indoline]-2′′,4-dione

In the title compound C₃₈H₃₂N₄O₃, one pyrrolidine ring adopts an envelope conformation with the N atom as the flap while other pyrrolidine ring adopts an twisted conformation. The pyrrolizine ring forms dihedral angles of 79.24 (5) and 77.57 (5)° with the chromene and indole rings, respectively. The carbonyl O atoms deviate from the least-square planes through the chromene and indole rings by 0.0113 (12) and 0.0247 (12) Å, respectively. In the crystal, non-classical C—H...O inter­actions link the mol­ecules, generating an C(9) chain along the b-axis direction.

1′-(1,3-Diphenyl-1H-pyrazol-4-yl)-2′,3′,5′,6′,7′,7a'-hexa­hydro-1′H-di­spiro­[ace­naphthyl­ene-1,3′-pyrrolizine-2′,3′′-chromane]-2,4′′(1H)-dione

In the title compound, C₄₁H₃₁N₃O₃, the pyrazole and pyrrolidine rings adopt twisted conformations. The mean plane of the pyrazole ring forms dihedral angles of 9.11 (12) and 39.65 (11)° with the phenyl rings. The O atoms deviate from the mean planes of the chromene and ace­naphthyl­ene ring systems by 0.194 (15) and 0.079 (15) Å, respectively. In the crystal, molecules are linked via pairs of C—H...O inter­actions,forming inversion dimers with an R₂²(12) ring motif.

1′-(1,3-Diphenyl-1H-pyrazol-4-yl)-1′′-(prop-2-en-1-yl)-2′,3′,5′,6′,7′,7a'-hexa­hydro-1′H-di­spiro­[1-benzo­pyran-3,2′-pyrrolizine-3′,3′′-indoline]-2′′,4-dione 0.75-hydrate

In the central aza-bi­cyclo­octane unit of the title compound, C₄₀H₃₄N₄O₃·0.75H₂O, the peripheral pyrrolidine ring adopts an envelope conformation with the N atom deviating by 0.209 (2) Å, whereas the other pyrrolidine ring adopts a twisted conformation with the bridging N and C atoms deviating by −0.218 (2) and 0.236 (3) Å, respectively, from the rest of the ring. The pyrazole ring forms dihedral angles of 42.36 (7) and 24.07 (8)° with its C- and N-attached phenyl groups, respectively. The solvent water mol­ecule has a partial occupancy of 0.75. In the crystal, the water mol­ecules link the fused-ring mol­ecules into chains along the b axis via O—H...N and O—H...O hydrogen bonds. The crystal packing is further stabilized by C—H...π inter­actions involving a methyl­ene group of the pyran ring and the C-attached benzene ring on the pyrazole ring.

14-Meth­oxy-4,6-dimethyl-9-phenyl-8,12-dioxa-4,6-di­aza­tetra­cyclo­[8.8.0.0^2,7.0^13,18]octa­deca-2(7),13,15,17-tetra­ene-3,5,11-trione

The title compound, C₂₃H₂₀N₂O₆, crystallizes with two mol­ecules in the asymmetric unit in which the dihedral angles between the mean planes of the pyran and phenyl rings are 66.6 (1) and 61.9 (1) °. The fused pyrone and pyran rings each adopts a sofa conformation. In the crystal, C—H...O hydrogen bonds link the mol­ecules, forming a two-dimensional network parallel to [001].

Ethyl 1′-methyl-2-oxo-4′-[(3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetra­methyl­tetra­hydro-3aH-bis­[1,3]dioxolo[4,5-b:4′,5′-d]pyran-5-yl]-2H-spiro­[ace­naphthyl­ene-1,2′-pyrrolidine]-3′-carboxyl­ate

In the title mol­ecule, C₃₀H₃₅NO₈, the ace­naphthyl­enone moiety, two atoms of a methyl pyrrolidine ring (N and C atoms) and four atoms of an ethyl acetate moiety (two C and two O atoms) are disordered over two sets of sites in ratio 0.532 (7):0.468 (7). The three C atoms of a di­meth­oxy­ethane ring and dioxolane ring attached with two methyl groups are disordered over two sets of sites in 0.66 (2):0.34 (2) and 0.62 (2):0.38 (2) ratios, respectively. The major and minor components of the ace­naphthyl­ene ring are essentially planar (r.m.s. deviations = 0.0254 and 0.0436 Å, respectively). The major and minor components of the pyrrolidine ring adopt C-envelope conformations with C atoms displaced by 0.492 (11) and 0.595 (7) Å from the remaining ring atoms. One of the dioxolane rings is disordered with its major component in an envelope conformation [C displaced by 0.511 (11) Å] and the minor fraction is more or less planar with an r.m.s. deviation of 0.070 Å. The other dioxolane ring is in an envelope conformation, with a C atom displaced by 0.438 (3) Å from the remainder of the ring atoms. The crystal packing features C—H...O inter­actions, which generate C(9) chains.

Methyl 9-hy­droxy-15-methyl-2-oxo-11-(pyren-1-yl)-10-oxa-15-aza­tetra­cyclo­[7.6.0.0^1,12.0^3,8]penta­deca-3(8),4,6-triene-12-carboxyl­ate

In the title compound, C₃₂H₂₅NO₅, the furan and pyrrole rings each adopt an envelope conformation, the respective flap atoms being the C atom bearing the pyrene substituent and the CH₂ atom adjacent to the N atom. The mol­ecular conformation is stabilized by an intra­molecular O—H...N hydrogen bond. In the crystal, C—H...O contacts link the mol­ecules, forming a two-dimensional network parallel to (001).

Methyl 8-bromo-3-[1-(4-meth­oxy­phen­yl)-4-oxo-3-phenyl­azetidin-2-yl]-1-methyl-1,2,3,3a,4,9b-hexa­hydro­chromeno[4,3-b]pyrrole-3a-carboxyl­ate

In the title compound, C₃₀H₂₉BrN₂O₅, the β-lactam ring is essentially planar, with the O atom displaced from this plane by 0.856 (9) Å, and forming dihedral angles of 24.35 (13) and 89.42 (14)° with the planes of the benzene substituent groups on this ring. The tetra­hydro­pyran ring adopts an envelope conformation with the C atom bearing the β-lactam ring as the flap. In the crystal, weak C—H...O hydrogen bonds with carboxyl and tetra­hydro­pyran O-atom acceptors give rise to a chain structure extending along the b-axis direction.