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Methyl 8-bromo-3-[1-(4-meth-oxy-phen-yl)-4-oxo-3-phenyl-azetidin-2-yl]-1-methyl-1,2,3,3a,4,9b-hexa-hydro-chromeno[4,3-b]pyrrole-3a-carboxyl-ate.

ABSTRACT: In the title compound, C30H29BrN2O5, the ?-lactam ring is essentially planar, with the O atom displaced from this plane by 0.856?(9)?Å, and forming dihedral angles of 24.35?(13) and 89.42?(14)° with the planes of the benzene substituent groups on this ring. The tetra-hydro-pyran ring adopts an envelope conformation with the C atom bearing the ?-lactam ring as the flap. In the crystal, weak C-H?O hydrogen bonds with carboxyl and tetra-hydro-pyran O-atom acceptors give rise to a chain structure extending along the b-axis direction.

SUBMITTER: Sharmila P 

PROVIDER: S-EPMC3790430 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Methyl 8-bromo-3-[1-(4-meth-oxy-phen-yl)-4-oxo-3-phenyl-azetidin-2-yl]-1-methyl-1,2,3,3a,4,9b-hexa-hydro-chromeno[4,3-b]pyrrole-3a-carboxyl-ate.

Sharmila P P   Jagadeesan G G   Raju Rajesh R   Raghavachary Raghunathan R   Aravindhan S S  

Acta crystallographica. Section E, Structure reports online 20130921 Pt 10

In the title compound, C30H29BrN2O5, the β-lactam ring is essentially planar, with the O atom displaced from this plane by 0.856 (9) Å, and forming dihedral angles of 24.35 (13) and 89.42 (14)° with the planes of the benzene substituent groups on this ring. The tetra-hydro-pyran ring adopts an envelope conformation with the C atom bearing the β-lactam ring as the flap. In the crystal, weak C-H⋯O hydrogen bonds with carboxyl and tetra-hydro-pyran O-atom acceptors give rise to a chain structure ex  ...[more]

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