Acta Crystallographica Section C

Crystal Structure Communications

Volume 60, Part 5 (May 2004)

bm1563 scheme

Acta Cryst. (2004). C60, o374-o376 [doi:10.1107/S0108270104006845]

Two stereoisomers of the rat toxicant norbormide

P. J. Steel, M. A. Brimble, B. Hopkins and D. Rennison

Abstract: The structures of two diastereoisomers of norbormide {systematic name: 5-[hydroxy(phenyl)(2-pyridyl)methyl]-8-[phenyl(2-pyridyl)methylene]-3a,4,7,7a-tetrahydro-4,7-methano-1H-isoindole-1,3(2H)-dione}, viz. the unsolvated molecule, C₃₃H₂₅N₃O₃, and the ethyl acetate hemisolvate, C₃₃H₂₅N₃O₃·0.5C₄H₈O₂, have been determined unambiguously. They differ in the relative stereochemistry about the exocyclic double bond and the relative conformations of the aryl rings. Each compound exhibits both intra- and intermolecular hydrogen bonding.

Formula: C₃₃H₂₅N₃O₃ and C₃₃H₂₅N₃O₃·0.5C₄H₈O₂

Online 30 April 2004


	Structure factor file (CIF format) (230.2 kbytes) Contains datablock Ia

	Structure factor file (CIF format) (238.5 kbytes) Contains datablock Ib

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