Kinetic and mechanistic study on the thermal reactivity of stabilized phosphorus ylides, part 3:[(Acetyl)(arylcarbamoyl) methylene] triphenylphosphoranes and [( …

…, G Dawson, O El??Dusouqui, K Kaul…

Index: Aitken, R. Alan; Al-Awadi, Nouria A.; Dawson, Graham; El-Dusouqui, Osman; Kaul, Kamini; Kumar, Ajith International Journal of Chemical Kinetics, 2007 , vol. 39, # 1 p. 6 - 16

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Abstract

Abstract A series of five [(acetyl)(arylcarbabmoyl) methylene] triphenyl-phosphoranes 1a–e and their thiocarbamoyl analogues 2a–e,[(alkoxycarbonyl)(arylcarbamoyl) methylene] triphenylphosphoranes 3a–e and their thiocarbamoyl analogues 4a–e were prepared and fully characterized. All ylides are found under conditions of flash vacuum pyrolysis to fragment giving arylisocyanate or isothiocyanate and acetyl ylides or alkoxy ylides which ...

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