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An unusual HgCl rearrangement in electron impact mass spectrometry of some halomercurioalkyl derivatives
Abstract
The electron impact mass spectrometric behaviour of three 2-methyl-2-chloromercuriomethyl-2,6-dihydro-5H-pyrano[3,2-c]quinolin-5-ones have been studied in detail with the aid of metastable ion data. The primary loss of C4H7, necessarily involving an unusual HgCl rearrangement, is discussed and justified by the formation of a thermodinamically stable Hg-containing cyclic structure.
