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Synthesis and Structure of Annelated Carbon Rings Containing a Bridgehead Transition Metal
Author(s) -
O'Connor Joseph M.,
Pu Lin,
Chadha Raj
Publication year - 1990
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.199005431
Subject(s) - oxonium ion , carbene , iridium , carbon atom , chemistry , carbon fibers , transition metal , resonance (particle physics) , polymer chemistry , organic chemistry , materials science , ring (chemistry) , physics , atomic physics , catalysis , ion , composite number , composite material
An iridium atom in a bridgehead position is the most unusual feature of 2 , which was obtained in place of the anticipated carbene vinylidene complex upon reaction of 1 with propiolic acid. Equally surprising is the fact that 2 must be regarded as an oxonium system rather than as a carbene, the most obvious resonance alternative. R CO 2 CH 3 .

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