Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Chemistry and Pharmacology
The title compound, C20H23N3O2, has a supramolecular structure of hydrogen bonding comprising N—H...O bonds which form a series of anti-parallel C(8), chains linked together by N—H...N R22(8) base-paired motifs which together form corrugated sheets containing R66(34) rings. This is one of a series of four substituted 3,7,7-trimethyl-4,7,8,9-tetrahydro-2H-pyrazolo[3,4-b]quinolin-5(6H)-one compounds which all have identical supramolecular structures.
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