Synthesis of cubane-type Mo3NiS4 clusters and their catalytic activity for the cyclization of alkynoic acids to enol lactones

被引：58
作者：
Takei, I
Wakebe, Y
Suzuki, K
Enta, Y
Suzuki, T
Mizobe, Y
Hidai, M [1 ]
机构：
[1] Tokyo Univ Sci, Fac Ind Sci & Technol, Dept Mat Sci & Technol, Noda, Chiba 2788510, Japan
[2] Univ Tokyo, Inst Ind Sci, Meguro Ku, Tokyo 1538505, Japan
来源：
ORGANOMETALLICS | 2003年 / 22卷 / 23期
关键词：
D O I：
10.1021/om034097k
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Treatment of the cationic incomplete cubane-type sulfido complex [(CP*Mo)(3)(mu(2)-S)(3)(mu(3)-S)][PF(6)](2;Cp* = eta(5)-C(5)Me(5)) with [Ni(cod)(2)] (cod = 1,5-cyclooctadiene) afforded the heterobimetallic mu,eta(2):eta(2)-cod double-cubane-type cluster [{(Cp*Mo)(3)(mu(3)-S)(4)Ni}(2)(mu, eta(2):eta(2)-cod)][PF(6)](2) (3), which further reacted with dimethyl acetylenedicarboxylate (dmad) to produce [(Cp*Mo)(3)(mu(3)-S)(4)Ni(eta(2)-dmad)]-[PF(6)] (4). Cluster 3 or 4 showed high catalytic activity for the intramolecular cyclization of various alkynoic acids to give enol lactones in the presence of Et(3)N.
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页码：4639 / 4641
页数：3
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