Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 10 (October 2013)

organic compounds

Acta Cryst. (2013). E69, o1513    [ doi:10.1107/S1600536813023489 ]


Y. Liu, J. Zhong, W. Sun, F. Zhang and H. Liu

Abstract: In the title compound, C20H19NOS, the pyrrolizine ring is essentially planar (r.m.s. deviation = 0.001 Å) while the fused dihydro-pyrrolizine ring adopts an envelope comformation with the C atom bearing the methyl substituents as the flap. The dihedral angles between the pyrrolizine and the phenyl and thio­phene rings are 34.54 (7) and 44.93 (7)°, respectively. In the crystal, weak C-H...O hydrogen bonds link the mol­ecules into infinite zigzag chains parallel to the b-axis direction.

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