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2-Benzoyl-1,1-diethyl-3-phenylguanidine

By Amin Badshah, Masahiro Ebihara, M. Khawar Rauf, Hanif-Ur-Rehman and Ghulam Murtaza

Abstract

In the title tetrasubstituted guanidine, C18H21N3O, the guanidine and carbonyl groups are not coplanar, as reflected by the torsion angles involving the N=C atoms [17.6 (3), −141.68 (17) and 42.2 (3)°]. This is probably due to the absence of an intramolecular N—H...O hydrogen bond, forming a six-membered ring, and is commonly observed in this class of compounds. In the crystal structure, centrosymmetric dimers are formed via pairs of intermolecular N—H...O hydrogen bonds. The dihedral angles between the guanidine plane and the phenyl ring and benzoyl plane are38.06 (9) and 41.54 (7)°, respectively

Topics: Chemistry, QD1-999, Science, Q, DOAJ:Chemistry (General), DOAJ:Chemistry
Publisher: International Union of Crystallography
Year: 2009
DOI identifier: 10.1107/S1600536809001469
OAI identifier: oai:doaj.org/article:26aaf0f4eeb847ef88eb68bf6285aed6
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