Selective Generation of Mono- and 1,1′-Dilithioferrocenes by Lithium-Tellurium Exchange. Efficient Routes to Mono- and Symmetrical and Unsymmetrical 1,1′-Di-substituted Ferrocenes

A. Chieffi; J. V. Comasseto; V. Snieckus

doi:10.1055/s-2000-6479

Synlett 2000; 2000(2): 269-271
DOI: 10.1055/s-2000-6479

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Selective Generation of Mono- and 1,1′-Dilithioferrocenes by Lithium-Tellurium Exchange. Efficient Routes to Mono- and Symmetrical and Unsymmetrical 1,1′-Di-substituted Ferrocenes

A. Chieffi^* , J. V. Comasseto, V. Snieckus

^*Instituto de Quimica, Universidade de Sao Paulo, Caixa Postal 26077, Sao Paulo, Brazil, CEP 05599-970; Fax +55 11 8 15 55 79; E-mail: jvcomass@quim.iq.usp.br