Studies on synthesis and C=O substitution of (μ-alkylthio)[μ-α,β -bis(ethoxycarbonyl)ethylthio] hexacarbonyldiiron

Abstract

Seven Fe-S cluster complexes, (m-RS)[m-(EtO2C)CH2CH(CO2Et)S]Fe2(CO)6 (R = Me, Et, Pr, Bu, Ph, PhCH2, CH2:CHCH2), were prepared through addition reaction of (m-RS)(m-XMgS)Fe2(CO)6 with diethyl fumarate, followed by alcoholysis of the intermediates formed. The structures of these products were confirmed by elemental anal., IR and 1H NMR spectroscopy. Through CO substitution reaction 4 (m-RS)[m-(EtO2C)CH2CH(CO2Et)S]Fe2(CO)4(PPh3)2 (R = Pr, Bu, Ph, PhCH2) were also prepared and the features of structures and spectroscopy for these derivatives were preliminarily discussed.

Key words: IRON COMPLEX, CARBONYL COMPLEX, TRIPHENYLPHOSPHINE, CLUSTER COMPOUND, ADDITION REACTION, SULFIDE COMPLEX, CARBETHOXY GROUP, ALCOHOLYSIS, NSFC

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Cite this article

SONG LICHENG;HU QINGMEI. Studies on synthesis and C=O substitution of (μ-alkylthio)[μ-α,β -bis(ethoxycarbonyl)ethylthio] hexacarbonyldiiron[J]. Chin. J. Org. Chem., 1988, 8(5): 419-423.

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(μ-烃硫)[μ-α,β-双(乙氧羰基)乙基硫]六羰基二铁络合物(μ-RS)[μ-(Et2O2C)CH2CH(CO2Et)S]Fe2(CO)6的合成及其羧基取代反应的研究