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Three stereoisomeric methyl 8-bromo-2,3-diphenyl-2,3,3a,9b-tetrahydro-1H,4H-[1]benzopyrano[4,3-b]pyrrole-2-carboxylates

✍ Scribed by Ueda, I. ;Marubayashi, N. ;Ueno, K. ;Tuge, O.

Book ID: 114507814
Publisher: International Union of Crystallography
Year: 1991
Tongue: English
Weight: 404 KB
Volume: 47
Category: Article
ISSN: 0108-2701
DOI: 10.1107/s0108270190008630

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The carbazole unit of the title molecule, C 15 H 15 NO 3 , is not planar. The dihedral angle between the benzene ring and the fused pyrrole ring is 0.9 (1) . The cyclohexene ring is in a halfchair form. The ester group has an equatorial orientation. In the crystal structure, the molecules are stabil