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Cyclopropenylidene
Author(s) -
Reisenauer Hans Peter,
Maier Günther,
Riemann Achim,
Hoffmann Reinhard W.
Publication year - 1984
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.198406411
Subject(s) - carbene , ylide , singlet state , chemistry , pyrolysis , conjugated system , ground state , argon , computational chemistry , physics , stereochemistry , atomic physics , organic chemistry , excited state , polymer , catalysis
The Simplest cyclic conjugated carbene is the title compound 2a ↔ 2b , generated by pyrolysis of the polycycle 1 . Compound 2 is stable in an argon matrix at 10 K and has a singlet ground state. The “atomatic ylide structure” 2b makes a major contribution to the mesomerism.