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Mass spectrometry in structural and stereochemical problems—CCXIX: Identification of an unidirectional quadruple hydrogen transfer process in 7‐phenylhept‐3‐en‐2‐one o‐methyl oxime ether
Author(s) -
Liedtke Raymond J.,
Sheikh Younus M.,
Duffield A. M.,
Djerassi Carl
Publication year - 1972
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210061111
Subject(s) - chemistry , oxime , mass spectrometry , hydrogen , ether , deuterium , process (computing) , solid state , stereochemistry , organic chemistry , chromatography , computer science , physics , atomic physics , operating system
Extensive deuterium labeling of 7‐phenylhept‐3‐en‐2‐one O‐methyl oxime ether has made possible the first documentation of an unidirectional quadruple hydrogen transfer process. Three other double hydrogen transfer processes are also described. Several of these multiple hydrogen transfer processes must utilize either a seven‐ or eight‐membered transition state.