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In the title compound, C16H11FO2, a synthetic isocoumarin, the benzene ring is not perpendicular to the planar isocoumarin ring sytem, the dihedral angle being 75.32 (3)°. Inter­molecular C—H⋯O hydrogen bonds may be effective in the stabilization of the crystal structure. [ABSTRACT FROM AUTHOR]

The title compound, C15H8ClFO2, is a chemically synthesized isocoumarin. The isocoumarin and benzene ring systems are approximately perpendicular to each other. The crystal packing is stabilized by C—H⋯O and C—H⋯F inter­­actions to form one-dimensional chains parallel to the b axis. [ABSTRACT FROM AUTHOR]

The title compound, C11H6O4, is a synthetic isocoumarin and is essentially planar. [ABSTRACT FROM AUTHOR]

The title compound, C15H11FO2, is a derivative of α-phenyl-cinnamic acid. The two benzene rings in the molecule are approximately perpendicular to each other. O—H…O hydrogen bonding occurs between molecules. [ABSTRACT FROM AUTHOR]

The asymmetric unit of the title compound, C10H12O5, contains two crystallographically independent molecules. In the crystal structure, intermolecular C—H...O and O—H...O hydrogen bonds link the molecules. [ABSTRACT FROM AUTHOR]

The title compound, C22H18N2O2, is a biologically active 1,5-benzodiazepine derivative, containing three planar six-membered rings and one nonplanar seven-membered ring. The six-membered rings A (phenol), B (fused benzene) and C (methoxyphenyl) are oriented with respect to each other at dihedral angles of 39.22 (2) ( A/ B), 87.31 (3) ( A/ C) and 54.42 (3)° ( B/ C). The seven-membered ring adopts a near-boat conformation. In the crystal structure, intramolecular O—H...N and intermolecular C—H...O hydrogen bonds are present. [ABSTRACT FROM AUTHOR]

The title compound, C18H19N3O2S, is an important biologically active heterocyclic compound, containing one five-membered and two six-membered planar rings. The five-membered ring is oriented with respect to the six-membered rings at dihedral angles of 82.84 (2) and 78.69 (3)°. In the crystal structure, intermolecular N—H...S and C—H...O hydrogen bonds link the molecules into infinite chains along the a axis. [ABSTRACT FROM AUTHOR]

The title compound, C16H14FN3OS, is an important biologically active heterocyclic compound, containing one planar five-membered and two planar six-membered rings. The five-membered ring is oriented with respect to the six-membered rings at dihedral angles of 86.96 (3) and 74.42 (3)°. In the crystal structure, intermolecular N—H...S and C—H...F hydrogen bonds link the molecules into infinite chains. [ABSTRACT FROM AUTHOR]

The asymmetric unit of the title compound, C22H18N2O2, contains two crystallographically independent molecules, in which each molecule is composed of three planar six-membered rings and one nonplanar seven-membered ring. The six-membered A (phenol), B (fused benzene) and C (methoxyphenyl) rings are oriented with respect to each other at dihedral angles of 88.79 (3) ( A/ B), 68.16 (3) ( A/ C) and 37.51 (2)° ( B/ C), and 82.43 (3) ( A′/ B′), 78.52 (2) ( A′/ C′) and 28.65 (3)° ( B′/ C′). The seven-membered rings adopt near-boat conformations. Intramolecular O—H...N and C—H...O hydrogen bonds are present in the crystal structure. [ABSTRACT FROM AUTHOR]

The asymmetric unit of the title compound, C17H19FN2O5·H2O, contains two N′-(4-fluorobenzoyl)-3,4,5-trimethoxybenzohydrazide molecules and two water molecules. It is an important intermediate for the synthesis of biologically active heterocyclic compounds. The dihedral angles between the planar aromatic rings of the two molecules are 65.52 (3) and 68.48 (3)°. In the crystal structure, intermolecular N—H...O and O—H...O hydrogen bonds link the molecules to form a supramolecular structure. [ABSTRACT FROM AUTHOR]

The title compound, C7H6F2N2O, is an important inter­mediate for the synthesis of biologically active heterocyclic compounds. The hydrazide group is nearly coplanar with the benzene ring. The crystal packing is stabilized by N—H⋯O and N—H⋯N hydrogen-bond inter­actions. [ABSTRACT FROM AUTHOR]