Nitroso derivatives of 1,3-dithiol-2-ylidene stabilised by intramolecular 
oxygen...sulfur interactions: Synthesis and X-ray crystal structures

Bryce, Martin R.; Chalton, Michael A.; Batsanov, Andrei S.; Lehmann, Christian W.; Howard, Judith A. K.

doi:10.1039/p29960002367

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Nitroso derivatives of 1,3-dithiol-2-ylidene stabilised by intramolecular oxygen...sulfur interactions: Synthesis and X-ray crystal structures

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Bryce, M. R., Chalton, M. A., Batsanov, A. S., Lehmann, C. W., & Howard, J. A. K. (1996). Nitroso derivatives of 1,3-dithiol-2-ylidene stabilised by intramolecular oxygen..sulfur interactions: Synthesis and X-ray crystal structures. Journal of the Chemical Society-Perkin Transactions 2, (11), 2367-2371. doi:10.1039/p29960002367.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-BF45-7

Abstract

A series of 2-(nitrosomethylene)-1,3-dithiole derivatives 3 have been synthesised, and X-ray crystal structures of compounds 3g, 3h and 3I have been obtained. The coplanarity of the dithiole ring and the nitroso group in all three compounds favours π-conjugation, and short intramolecular oxygen ⋯ sulfur contacts (ca. 2.4 Å) occur between the nitrosyl oxygen and a sulfur atom of the dithiole ring; these structural features explain the stability and unreactivity of the series of compounds 3.