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Two 2,2-dihalo-N-(1-phenylethyl)cyclopropane-1-carboxamides
Dmitrii S Yufit1, Judith A K Howard
1Department of Chemistry, University of Durham, South Road, Durham DH1 3LE, England. d.s.yufit@durham.ac.uk
Abstract:
The crystal structures of (1R,1'S)-2',2'-dichloro-N-(1-phenylethyl)cyclopropane-1'-carboxamide, C(12)H(13)Cl(2)NO, (I), and (1R,1'R)-2',2'-difluoro-N-(1-phenylethyl)cyclopropane-1'-carboxamide, C(12)H(13)F(2)NO, (II), have been determined. Both crystals contain two independent molecules with different conformations of the phenylethyl groups. In the crystals of both compounds, the molecules are linked together by N-H...O hydrogen bonds, thus forming chains in the a direction.