Issue 35, 2012
From the journal:

Dalton Transactions

Synthesis of Fischer type-carbene complexes containing a coordinated thioimidate structural motif†‡

Alberto Cedillo-Cruz,a   M. Carmen Ortega-Alfaro,*b   José G. López-Cortés,a   Rubén Alfredo Toscano,a   J. Guillermo Penieres-Carrilloc  and  Cecilio Alvarez-Toledano*a  

* Corresponding authors

a Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04360 México, D.F. México
E-mail: cecilio@unam.mx
Fax: +52 55 56162203
Tel: +52 55 56224464

b Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04360 México, D.F. México
E-mail: Carmen.ortega@nucleares.unam.mx

c Departamento de Ciencias Químicas, Facultad de Estudios Superiores Cuautitlán-UNAM, Campo 1, Avenida 1ro. de Mayo s/n, Cuautitlán Izcalli, C.P. 54740 Estado de México, México

Abstract

This paper describes a tandem strategy to synthesize a series of new Fischer carbene complexes [(CO)4M[double bond, length as m-dash]C[N–(CH2)4–]CH[double bond, length as m-dash]C(NRR′)(SR′); M = Cr, W; R = Ar, R′ = Me, –(CH2)2–] with a thioimide or thiazoline fragment, in which the sulfur or nitrogen atom is coordinated to a metal center, depending on the nature of alkylating groups included as R′. We have trapped by protonation the proposed intermediate as the thioamide 12 [(CO)5W[double bond, length as m-dash]C[N–(CH2)4–]CH2C(S)NHPh], which reveals the pathway of this reaction

Graphical abstract: Synthesis of Fischer type-carbene complexes containing a coordinated thioimidate structural motif

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Article information

DOI
https://doi.org/10.1039/C2DT31297B
Article type
Paper
Submitted
08 May 2012
Accepted
06 Jul 2012
First published
09 Jul 2012

Dalton Trans., 2012,41, 10568-10575

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Synthesis of Fischer type-carbene complexes containing a coordinated thioimidate structural motif

A. Cedillo-Cruz, M. C. Ortega-Alfaro, J. G. López-Cortés, R. Alfredo Toscano, J. G. Penieres-Carrillo and C. Alvarez-Toledano, Dalton Trans., 2012, 41, 10568 DOI: 10.1039/C2DT31297B

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