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Fast atom bombardment mass spectrometry of reaction products between C3O2 and stabilized phosphorus ylides

✍ Scribed by Roberta Seraglia; Pietro Traldi; Roberta Bertani; Giacomo Facchin; Luciano Pandolfo

Book ID: 102561279
Publisher: John Wiley and Sons
Year: 1994
Tongue: English
Weight: 387 KB
Volume: 29
Category: Article
ISSN: 1076-5174
DOI: 10.1002/oms.1210291108

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✦ Synopsis

A fast atom bombardment (FAB) mass spectrometric study on the open-chain compound 1,s bis(cyanomethylenetriphenylphosphorane)propane-l,~dione and on the cyclic zwitterionic compounds 4-oxy-5triphenylphosphonium-6-methyl-2-pyrone and 4-oxy-5-triphenylphosphonium-6-phenyl-2-pyrone, obtained by reaction of carbon suboxide, C,O,, with stabilized phosphorus ylides, Ph,PCHX (X=CN, COMe, COPh), is described. The FAB mass spectrometric behaviour of these compounds is compared with that shown by triphenylphosphoranilideneketene, Ph,P=C=C=O, and by 4-hydroxy-6-methyl-2-pyrone, with the aid of metastable ion data and collision spectroscopy.

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