Die Molekiilstruktur von 11-Oxo-1.11-diphenyl-dibenzo [b.g] -indeno [2.3-d] -11.15 b-dihydrophosphocin / The Molecular Structure of / 11-Oxo-1,11-diphenyl-dibenzo[b,g]-indeno[2,3-d]-11,15 b-dihydrophosphocin
Open Access
- 1 November 1977
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 32 (11) , 1335-1339
- https://doi.org/10.1515/znb-1977-1122
Abstract
The title compound crystallizes in the monoclinic space group P 21/c with four molecules in the unit cell of dimensions a = 8.88(1), b= 20.86(3), c =14.14(2) Å, β= 111.27(5)°. The structure was determined by direct methods and refined to R = 0.046 (1777 independent reflexions). The eight-membered phosphorus-carbon-heterocycle has a boatconformation and the phenyl-substituent occupies the quasi-axial ring-position.Keywords
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