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Alkylidene Sulfur Difluorides: F 5 S(F 3 C)CSF 2 and (F 3 C) 2 CSF 2 . Synthesis, Structure, and Structure Predictions
Author(s) -
Damerius Reinhard,
Seppelt Konrad,
Thrasher Joseph S.
Publication year - 1989
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198907691
Subject(s) - difluoride , sulfur , chemistry , crystallography , stereochemistry , organic chemistry
The new alkylidene sulfur difluorides R 2 CSF 2 differ structurally and chemically from sulfur ylides. The new compounds have a double bond, as shown by the existence of cis/trans isomers (when the two R groups differ). They rearrange to sulfenyl fluorides, R 2 FC‐SF. Theoretical calculations confirm these results, but predict, in addition, a further planar structural isomer, which, in the case of F 2 C SF 2 , should even be the more stable isomer.