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Unusually Rapid cis‐trans Isomerization of a Tetrasilylated Ethylene: Generation of Free Radicals During the Rotation
Author(s) -
Sakurai Hideki,
Tobita Hiromi,
Kira Mitsuo,
Nakadaira Yasuhiro
Publication year - 1980
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.198006201
Subject(s) - isomerization , radical , chemistry , photochemistry , ethylene , solvent , spectroscopy , cis–trans isomerism , medicinal chemistry , stereochemistry , organic chemistry , catalysis , physics , quantum mechanics
A radical mechanism for the fast cis‐trans isomerization of (1) is suggested by results obtained with the parent compound. By H abstraction ( e.g. from the solvent) it forms the (Me 3 Si) 2 CH ⊙ C(SiMe 3 ) 2 radical, detectable by ESR spectroscopy.
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