Studies on addition of arynyl grignard reagents to (m-dithio)bis (tricarbonyliron) - Synthesis, structures and and formation mechanism of “open”and “closed” iron-sulfur cluster complexes

Acta Chimica Sinica ›› 1988, Vol. 46 ›› Issue (12): 1175-1180. Previous Articles Next Articles

Original Articles

μ-联硫六羰基二铁与芳炔基Grignard试剂加成反应的研究 - “开环”和“闭环”铁硫原子簇配合物的合成、结构及形成机理

宋礼成;王中夏;KATIATA MBIYANGANDU;王积涛

南开大学化学系

发布日期:1988-12-15

Studies on addition of arynyl grignard reagents to (m-dithio)bis (tricarbonyliron) - Synthesis, structures and and formation mechanism of “open”and “closed” iron-sulfur cluster complexes

SONG LICHENG;WANG ZHONGXIA;KATIATA MBIYANGANDU;WANG JITAO

Published:1988-12-15

Abstract

Arynylmagnesium bromides cleave the S-S bond of m-S2Fe2(CO)6 to give an equilibrium, mixtures of open intermediates (m-ArCYCS)(m-BrMgS)Fe2CO)6 and closed intermediates m-[S(Ar)C:C(MgBr)S]Fe2(CO)6. The mixtures were treated with CpFe(CO)2I (Cp = cyclopentadienyl) or some organic halides to yield the corresponding open Fe-S complexes, whereas with CF3CO2H, gaseous HBr or CH3HgCl the treated mixtures afford the closed ones. The closed products were also observed with those alkyl halides which eliminate HX easily. This kind of alkyl halides possibly functions as substrates through elimination of HX during the course of reaction.

Key words: REACTION MECHANISM, IRON COMPLEX, CARBONYL COMPLEX, CLUSTER COMPOUND, TRANSITION METAL COMPLEX, ADDITION REACTION, SULFIDE COMPLEX, GRIGNARD REAGENT, OPEN CYCLE

CLC Number:

O627

Cite this article

SONG LICHENG;WANG ZHONGXIA;KATIATA MBIYANGANDU;WANG JITAO. Studies on addition of arynyl grignard reagents to (m-dithio)bis (tricarbonyliron) - Synthesis, structures and and formation mechanism of “open”and “closed” iron-sulfur cluster complexes[J]. Acta Chimica Sinica, 1988, 46(12): 1175-1180.

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μ-联硫六羰基二铁与芳炔基Grignard试剂加成反应的研究 - “开环”和“闭环”铁硫原子簇配合物的合成、结构及形成机理

Studies on addition of arynyl grignard reagents to (m-dithio)bis (tricarbonyliron) - Synthesis, structures and and formation mechanism of “open”and “closed” iron-sulfur cluster complexes

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