Helvetica Chimica Acta p. 1995 - 2008 (1992)
Update date:2022-08-04
Topics:
Mueller, Paul
Bernardinelli, Gerald
Jacquier, Yvan
The tricarbonylchromium complex of cyclopropanaphthalene (3a) is deprotonated at C(1) with BuLi.Quenching of the resulting anion with MeI results in a 1:1 mixture of stereoisomeric methyl derivatives 6a and 6b.Peterson olefination of the bis-silylated complex 3b affords the complexed alkylidenecycloproparene 5 in low yield.The tricarbonylchromium complex of cyclopropaanthracene (10) is accessible via bis-hydro-desilylation of 9.Its X-ray structure is also reported.All attempts to synthesize a tricarbonylchromium complex of benzocyclopropene (11a) failed.
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Doi:10.1016/S0040-4020(01)90380-1
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