N -Cyclopropenio-imidazol-2-ylidene: An N-heterocyclic carbene bearing an N -cationic substituent - Archive ouverte HAL
Article Dans Une Revue Chemical Communications Année : 2020

N -Cyclopropenio-imidazol-2-ylidene: An N-heterocyclic carbene bearing an N -cationic substituent

Cécile Barthes
Yves Canac
Vincent César

Résumé

A cationic NHC 1+ bearing an N-bound 2,3-bis(diisopropylamino)-cyclopropenium group is reported. From an easily available dicationic imidazolium precursor, the coordination abilities and stereo-electronic properties of 1+ are evaluated by the formation of Pd(II), Rh(I) and Au(I) complexes. The cationic gold(I) complex is implemented in representative intramolecular Au(I)-catalyzed cyclizations.
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Dates et versions

hal-02542504 , version 1 (05-11-2020)

Identifiants

Citer

Cécile Barthes, Carine Guyard-Duhayon, Yves Canac, Vincent César. N -Cyclopropenio-imidazol-2-ylidene: An N-heterocyclic carbene bearing an N -cationic substituent. Chemical Communications, 2020, 56 (22), pp.3305-3308. ⟨10.1039/d0cc00477d⟩. ⟨hal-02542504⟩
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