-4-TRIFLUOROMETHYL-2H-PYRANO[3,2-G]QUINOLIN-2-ONE, (I), AND -4-TRIFLUOROMETHYL-2H-PYRANO[3,2-G]QUINOLIN-2-ONE, (II)

Citation
Jp. Jasinski et al., -4-TRIFLUOROMETHYL-2H-PYRANO[3,2-G]QUINOLIN-2-ONE, (I), AND -4-TRIFLUOROMETHYL-2H-PYRANO[3,2-G]QUINOLIN-2-ONE, (II), Acta crystallographica. Section C, Crystal structure communications, 54, 1998, pp. 410-412
Citations number
8
Categorie Soggetti
Crystallography
ISSN journal
01082701
Volume
54
Year of publication
1998
Part
3
Pages
410 - 412
Database
ISI
SICI code
0108-2701(1998)54:<410:-(A->2.0.ZU;2-U
Abstract
The title compound, C13H10F3NO2, (I) and its ethyl derivative, C15H14F 3NO2, (II), are trifluoromethyl-coumarin derivatives of the 6,7,8,9-te trahydro-2H-pyrano[3,2-g]quinolin-2-one moiety, Compound (I) is stabil ized by one C-F ... H and two C-O ... H intermolecular hydrogen bonds. Compound (II) crystallizes with two molecules in the asymmetric unit and is stabilized by van der Waals intermolecular interactions, The in dependent molecules in (II) are stacked in parallel layers in an alter nating sequence, with the coumarin moieties forming an angle of 76.5 ( 4)degrees between adjacent parallel stacks.