CARBON SULFUR BOND-CLEAVAGE IN THIOPHENE BY GROUP-6 METALLOCENES

被引:57
作者
JONES, WD
CHIN, RM
CRANE, TW
BARUCH, DM
机构
[1] Department of Chemistry, University of Rochester, Rochester
关键词
D O I
10.1021/om00023a054
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Photolysis of Cp(2)MoH(2) in the presence of thiophene leads to the formation of the C-H insertion product Cp(2)Mo(2-thienyl)H as the sole product, which was characterized by conversion to the chloro derivative Cp(2)Mo(2-thienyl)Cl. Photolysis of Cp(2)WH(2) in the presence of thiophene leads to the initial formation of the C-S insertion product Cp(2)WSCH=CHCH=CH. Continued irradiation results in the conversion of this adduct to the C-H insertion product Cp(2)W(2-thienyl)H. Thermal reaction of Cp(2)W(CH3)H with thiophene gives both C-S and C-H insertion products in an 11:1 kinetic ratio. The complex Cp(2)WSCH=CHCH=CH crystallizes in orthorhombic space group Pbca (No. 61) with a = 7.713(6)Angstrom b = 13.636(5) Angstrom, c = 22.290(7) Angstrom, V = 2344.4(3.3) Angstrom(3), Z = 8.
引用
收藏
页码:4448 / 4452
页数:5
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