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. 2003 Jul;59(Pt 7):o376-7.
doi: 10.1107/s0108270103010655. Epub 2003 Jun 20.

1,1-bis(phenylsulfonyl)-1-(pyridinio)methanide

Kenneth W Muir  1 , David G Morris, Karl S Ryder, Anastassios Varvoglis
Affiliations

1,1-bis(phenylsulfonyl)-1-(pyridinio)methanide

Kenneth W Muir et al. Acta Crystallogr C. 2003 Jul.

Abstract

The title disulfonyl-stabilized pyridinium ylide, C(5)H(5)N(+)-C(-)(SO(2)C(6)H(5))(2) or C(18)H(15)NO(4)S(2), contains a near planar NCS(2) core. The structure suggests that the formal negative charge of the ylide C atom is delocalized to the S atoms rather than the N atom. Structural features of pyridinium ylides are briefly discussed.

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