Abstract
The title compound, C15H16N2O4, was synthesized from a mixture of α-himachalene (2-methylene-6,6,9-trimethylbicyclo[5.4.O1,7]undec-8-ene) and β-himachalene (2,6,6,9-tetramethylbicyclo[5.4.01,7]undeca-1,8-diene) which were isolated from an oil of the Atlas cedar (Cedrus atlantica). The asymmetric unit contains two independent molecules. In each of the two molecules, two O atoms of one nitro group are disordered over two sets of sites with site-occupancy factors of 0.636 (5):0.364 (5) and 0.832 (5):0.168 (5). The crystal structure features weak C—H⋯O hydrogen bonds.
Highlights
Structure ReportsJean-Claude Daranb and Moha Berrahoa a Laboratoire de Chimie des Substances Naturelles, URAC16, Faculté des Sciences
The asymmetric unit contains two independent molecules
The title compound, C15H16N2O4, was synthesized from a mixture of -himachalene (2-methylene-6,6,9-trimethylbicyclo[5.4.O1,7]undec-8-ene) and -himachalene (2,6,6,9tetramethylbicyclo[5.4.01,7]undeca-1,8-diene) which were isolated from an oil of the Atlas cedar (Cedrus atlantica)
Summary
Jean-Claude Daranb and Moha Berrahoa a Laboratoire de Chimie des Substances Naturelles, URAC16, Faculté des Sciences. BP 2390 Bd My Abdellah, 40000 Marrakech, Morocco, and bLaboratoire de Chimie de Coordination, 205 route de Narbonne, 31077 Toulouse Cedex 04, France
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