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Structural Dynamics of the First Alkylidenesulfur Difluoride Oxide, OFC–CHSF 2 O
Author(s) -
Krügerke Thomas,
Seppelt Konrad
Publication year - 1988
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19881211114
Subject(s) - chemistry , ketene , tetrafluoride , stereochemistry , nuclear magnetic resonance spectroscopy , oxide , medicinal chemistry , molecule , organic chemistry
The pentafluorosulfanylacetic acid, HOOCCH 2 SF 5 , is dehydrated to the ketene OCCHSF 5 . Besides other more typical reactions this ketene isomerizes to the alkylidenesulfur tetrafluoride OFCCHSF 4 which is hydrolyzed to the title compound OFCCHSF 2 O. This first alkylidenesulfur difluoride oxide exists in three, possibly four different isomeric structures at low temperatures, as was determined by NMR techniques. This is a result of hindered rotation of the CS and CC bonds.
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