Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 3 (March 2013)


organic compounds



bt6889 scheme

Acta Cryst. (2013). E69, o438-o439    [ doi:10.1107/S1600536813004789 ]

Methyl 11-hydroxy-9-[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-18-oxo-10-oxa-2-azapentacyclo[9.7.0.01,8.02,6.012,17]octadeca-12(17),13,15-triene-8-carboxylate

S. Suhitha, T. Srinivasan, R. Rajesh, R. Raghunathan and D. Velmurugan

Abstract: In the title compound, C34H32N2O7, the furan ring adopts a twist conformation and both the pyrrolidine rings adopt envelope conformations with O and C as flap atoms. The [beta]-lactam ring makes a dihedral angles of 80.20 (10)° with the furan ring, of 75.55 (10)° with the pyrrolidine ring, of 12.26 (10)° with the methoxyphenyl ring and of 73.77 (13)° with the phenyl ring. The O atom attached to the [beta]-lactam ring deviates by 0.0385 (13) Å from the ring plane. The molecular conformation is stabilized by intramolecular O-H...N and C-H...O hydrogen bonds. The packing of the crystal is stabilized by intermolecular C-H...O hydrogen bonds, which form a chain running along the b axis.


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