Kumar et al.: Prop-2-enyl 6-amino-5-cyano-4-(4-isopropylphenyl)-2-methyl-4H-pyran-3-carboxylate ##CrystalStructure##Pyran##HydrogenBonding... ##IUCrhttps://journals.iucr.org/paper?S2414314626001707
Prop-2-enyl 6-amino-5-cyano-4-(4-isopropylphenyl)-2-methyl-4H-pyran-3-carboxylate
In the title compound, the 4H-pyran ring adopts a boat conformation. The dihedral angle between the phenyl and pyran rings is 87.8 (18)°. In the crystal, molecules are linked by N—H⋯O and N—-H⋯N hydrogen bonds.
journals.iucr.org
February 25, 2026 at 1:01 AM
Kumar et al.: Prop-2-enyl 6-amino-5-cyano-4-(4-isopropylphenyl)-2-methyl-4H-pyran-3-carboxylate ##CrystalStructure##Pyran##HydrogenBonding... ##IUCrhttps://journals.iucr.org/paper?S2414314626001707
Nyapola et al.: 5-Acetyl-2-amino-4-(2-fluorophenyl)-6-methyl-4H-pyran-3-carbonitrile dichlomethane hemisolvate ##CrystalStructure##Pyran##HydrogenBond... ##IUCrhttps://journals.iucr.org/paper?S2414314625003372
5-Acetyl-2-amino-4-(2-fluorophenyl)-6-methyl-4H-pyran-3-carbonitrile dichlomethane hemisolvate
A two-dimensional supramolecular architecture mediated by N—H⋯N and N—H⋯O hydrogen bonds is formed in the crystal of the title compound.
journals.iucr.org
April 25, 2025 at 12:01 AM
Nyapola et al.: 5-Acetyl-2-amino-4-(2-fluorophenyl)-6-methyl-4H-pyran-3-carbonitrile dichlomethane hemisolvate ##CrystalStructure##Pyran##HydrogenBond... ##IUCrhttps://journals.iucr.org/paper?S2414314625003372
Nyapola et al.: 2-Amino-5-oxo-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile ##CrystalStructure##Pyran##Chromenone... ##IUCrhttps://journals.iucr.org/paper?S2414314624010496
2-Amino-5-oxo-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile
In the crystal structure of the title compound, intermolecular N—H⋯N and N—H⋯O hydrogen bonds form a two-dimensional supramolecular network along the ac plane, contributing to the cohesion of the crystal.
journals.iucr.org
November 9, 2024 at 1:01 AM
Nyapola et al.: 2-Amino-5-oxo-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile ##CrystalStructure##Pyran##Chromenone... ##IUCrhttps://journals.iucr.org/paper?S2414314624010496