Phosphinidene- and Phosphido-Bridged Complexes from a η2-Arylthioxophosphane Cyclopentadienylchromium Complex

Phosphinidene- and Phosphido-Bridged Complexes from a η2-Arylthioxophosphane Cyclopentadienylchromium Complex
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来自 η2-芳基硫代膦环戊二烯基铬络合物的膦亚基和磷基桥络合物

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发表时间:
2003
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通讯作者:
L. Goh
L. Goh
中科院分区:
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作者:
Z. Weng;W. Leong;J. Vittal;L. Goh

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η 2 -芳基硫氧膦配合物CpCr(CO)2(SP(H)Ar)(2; Ar = C6 H4-OCH 3)与[CpCr(CO)3 ] 2(1)在110 °C下反应导致分离出新的结构特征的络合物:磷桥联Cp 2 Cr 2(CO)4(CO-H)(μ 2 -P(H)Ar)(3),bis(磷基)桥联Cr=Cr双键Cp 2 Cr 2(CO)2(μ 2 -P(H)Ar)2(4)和μ 3 -膦叉立方烷Cp 4Cr 4S 3(μ 3 -PAr)(5)和Cp 4Cr 4S 2(μ 3 -PAr)2(6),以及CpCr(CO)3 H(7)和Cp 4Cr 4S 4(9),产率分别为4,11,16,32,5,19%。
The reaction of the η 2 -arylthioxophosphane complex CpCr(CO) 2 (SP(H)Ar) (2; Ar = C 6 H 4 -OCH 3 ) with [CpCr(CO) 3 ] 2 (1) at 110 °C led to the isolation of new structurally characterized complexes: hydridophosphido-bridged Cp 2 Cr 2 (CO) 4 (CO-H)(μ 2 -P(H)Ar) (3), bis(phosphido)-bridged Cr=Cr doubly bonded Cp 2 Cr 2 (CO) 2 (μ 2 -P (H) Ar) 2 (4), and μ 3 -phosphinidene cubanes Cp 4 Cr 4 S 3 (μ 3 -PAr) (5) and Cp 4 Cr 4 S 2 (μ 3 -PAr) 2 (6), together with CpCr(CO) 3 H (7) and Cp 4 Cr 4 S 4 (9) with yields of 4, 11, 16, 32, 5, and 19%, respectively.