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Issue 2, 2002
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The preparation and structure of novel sulfimide systems; X-ray crystal structures of 1,4-(PhS{NH})2C6H4(and dihydrate), 1,2-(PhS{NH})(PhS)C6H4·H2O and of [Ph2SNH] and its hydrate

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Abstract

Treatment of 1,4-(PhS)2C6H4 and 1,2-(PhS)2C6H4 with the appropriate amount of O-mesitylsulfonylhydroxylamine (MSH) yields the corresponding protonated sulfimides, both of which may be deprotonated with DBU to give the hydrated free sulfimides 1,4-(PhS{NH})2C6H4·2H2O 1a and 1-(PhS{NH})-2-(PhS)C6H4·H2O 2a. The X-ray crystal structures of both 1a and 2a, together with that of the well-known sulfimide Ph2SNH·H2O 3a, all reveal extended hydrogen-bonded arrays involving the N–H units and the waters of crystallisation. Crystals of 1b, the dehydrated form of 1a, also readily form, while removal of the water from 3ain vacuo followed by slow evaporation of a solution in diethyl ether under anaerobic conditions leads to crystals of Ph2SNH 3b; the X-ray crystal structures of both 1b and 3b also reveal extended arrays formed from N–H⋯N interactions. In contrast, dehydration of 2a breaks down the extended structure resulting in the formation of an oil.

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Publication details

The article was received on 08 Apr 2001, accepted on 04 Jan 2002 and first published on 07 Feb 2002


Article type: Paper
DOI: 10.1039/B103502A
Citation: New J. Chem., 2002,26, 202-206
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    The preparation and structure of novel sulfimide systems; X-ray crystal structures of 1,4-(PhS{NH})2C6H4 (and dihydrate), 1,2-(PhS{NH})(PhS)C6H4·H2O and of [Ph2SNH] and its hydrate

    M. R. J. Elsegood, K. E. Holmes, P. F. Kelly, J. Parr and J. M. Stonehouse, New J. Chem., 2002, 26, 202
    DOI: 10.1039/B103502A

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