Die Kristall- und Molekülstruktur zweier spirocyclischer Diazadiphosphetidine / The Crystal and Molecular Structure of Two Spirocyclic Diazadiphosphetidines
Open Access
- 1 March 1980
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 35 (3) , 269-274
- https://doi.org/10.1515/znb-1980-0304
Abstract
The crystal structure of the two spirocyclic diazadiphosphetidines (Me2C2O2)(Me2N)2P2N2(SiMe3)2 (1) and (Me2C2O2)2(Me2N)2P2N2(SiMe3)2 (2) were determined. In both compounds the dimethylamino groups are arranged in a cisposition with respect to the plane of the four-membered ring. There are no unusually long PN distances in the four-membered ring of 2, although 2 monomerizes easily and quantitatively at room temperature to give 3.Keywords
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