Oxygen rearrangement of molecular ions of 3??phenylpropionates

…, RM Caprioli, JH Beynon, RP Morgan…

Index: Liehr, Joachim G.; Caprioli, Richard M.; Beynon, John H.; Morgan, Roger P.; Richter, Wilhelm J. Organic Mass Spectrometry, 1980 , vol. 15, # 3 p. 157 - 160

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Abstract

Abstract The oxygen rearrangement in molecular ions of 3-phenylpropionates has been investigated with the aid of mass analyzed ion kinetic energy spectra. Elimination of an allyl radical followed by expulsion of ketene from the molecular ion of allyl 3-phenylpropionate is shown to result in formation of protonated benzaldehyde. The oxygen rearrangement has been found to be inoperative in ionized methyl 3-methyl-3-phenylbutyrate.[M [BOND] CH 3 ...