Electron impact-induced rearrangements in compounds having the PS bond

Abstract
The fragmentation processes of PS compounds upon electron impact include the following bond-forming reactions: (i) molecular ion rerrangement of the type –P(:S)O–R →–P(:O)S–R, (ii) bond formation between substituents (especially aryl groups) on phosphorus, (iii) loss of SH· from the molecular ion where the hydrogen can be derived from an alkyl or an aryl group, and (iv) hydrogen rearrangement to give the phenol molecular ion (or an isomer) in compounds having a phenoxy-substituent.

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