Unusual formation of vinyl ether derivatives in the reaction of tributyltin hydride with Fischer Carbene complexes anchored on a chalcogen-stabilized iron carbonyl cluster

Mathur, Pradeep ; Ghosh, Sundargopal ; Sarkar, Amitabha ; Satyanarayana, C. V. V. ; Drake, John E. ; Yang, Jincai (1997) Unusual formation of vinyl ether derivatives in the reaction of tributyltin hydride with Fischer Carbene complexes anchored on a chalcogen-stabilized iron carbonyl cluster Organometallics, 16 (26). pp. 6028-6031. ISSN 0276-7333

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Official URL: http://pubs.acs.org/doi/abs/10.1021/om970774x

Related URL: http://dx.doi.org/10.1021/om970774x

Abstract

Treatment of Fe2(CO)6{μ-EC(Ph)=C(E')[C(OEt)=M(CO)5]} (1: E, E' = Se; M = Cr. 2: E, E' = Se; M = W. 3: E = S; E' = Te; M = W) with excess Bu3SnH in hexane at 0 °C produces enol ether derivatives: (CO)6Fe2{μ-EC(Ph)(H)-C(E')=C(H)(OEt)} ((Z)-4a: E, E' = Se. (E)-4b: E, E' = Se. (Z)-5a: E = S; E' = Te. (E)-5b: E = S; E' = Te). For E, E' = Se, using 1 equiv of Bu3SnH, the α-alkoxyallylstannane complex, (CO)6Fe2{μ-Se(Ph)C=C(Se)-C(OEt)(H)SnBu3} (6), was isolated. The molecular structure of (E)-4b was confirmed by X-ray analysis.

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