In the title compound, C(13)H(9)NO(6), the coumarin system has the benzene ring aligned at 0.61 (18)° with respect to the pyrone ring. An intra-molecular O-H⋯O hydrogen bond stabilizes the mol-ecular conformation and a C-H⋯O contact also occurs. In the crystal, weak C-H⋯O inter-actions link the mol-ecules, forming inversion dimers.

In the mol-ecule of the title compound, C(20)H(18)N(2)O(4), the dihedral angle between the benzene ring and the naphthyl ring system is 8.5 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular O-H⋯O hydrogen bonds, forming chains running along the b axis.

There are two crystallographically independent mol-ecules in the asymmetric unit of the title compound, C(15)H(14)N(4)O(5), with different conformations for the meth-oxy groups. The mol-ecules are both slightly twisted, the dihedral angles between two benzene rings being 8.37 (18)° in one and 7.31 (18)° in the other. In both mol-ecules, the two nitro groups are essentially coplanar with their b...

Two independent diphenyl-tin mol-ecules and two independent methanol mol-ecules comprise the asymmetric unit of the title compound, [Sn(C(6)H(5))(2)(C(17)H(14)N(2)O(3))]·CH(3)OH. The Sn atom in each is five-coordinated by a tridentate ligand and the ipso-C atoms of the Sn-bound benzene substituents. The resulting C(2)N(2)O donor set defines a coordination geometry that is inter-mediate between ...

The title compound, C(18)H(28)O(4), crystallizes with two mol-ecules in the asymmetric unit. Both mol-ecules have similar conformations of nine-membered rings, which are trans-fused with cyclo-butane fragments. The puckering amplitudes (q2) of the cyclo-butane rings are 0.2451 (2) and 0.2526 (2) Å.

The mol-ecule of the title compound, C(18)H(16)N(2)O(2), lies about a center of inversion. The central phenyl-ene ring is aligned at 62.7 (1)° with respect to the pyridyl ring. In the crystal, weak inter-molecular C-H⋯N hydrogen bonds link mol-ecules into sheets parallel to (104). C-H⋯O inter-actions are also present.

There are two mol-ecules in the asymmetric unit of the title compound, C(16)H(18)O, a tertiary alcohol featuring a 2-benzyl-phenyl substituent. Co-operative O-H⋯O hydrogen bonds connect the mol-ecules into tetra-mers.

The title structure, C(13)H(18)O(6)·H(2)O, contains two independent 2-benzyl-myo-inositol and water mol-ecules. In the crystal, the mol-ecules are strongly hydrogen bonded into an infinite two dimensional network utilizing all OH protons.

In the crystal structure of the title mol-ecule, C(13)H(18)BrO(4)P, the phospho-nate ring adopts a chair conformation. Mol-ecules are linked by an O-H⋯O hydrogen bond [O⋯O = 2.780 (3) Å] to form chains parallel to the c axis. Two C-H⋯O inter-actions help to stabilize the crystal structure.

The mol-ecular geometry of the title compound, C(17)H(18)N(2)O(2), displays an E configuration with respect to the azo group. The dihedral angle between the aromatic rings is 10.39 (4)°. In the mol-ecule, an intra-molecular O-H⋯O hydrogen bond generates an S(6) ring motif.