BENZENE-1,2,4,5-TETRATIOLATO 2-MOIETY COMPLEXES OF TITANOCENE-ZIRCONOCENE-HAFNOCENE SYSTEM

被引:15
作者
KOPF, H
BALZ, H
机构
[1] Institut für Anorganische, Analytische Chemie der Technischen Universität Berlin, D-1000 Berlin 12
关键词
D O I
10.1016/0022-328X(90)87301-S
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reaction of the metallocene dichlorides M(η5-C5H4R)2Cl2 (R = H; M = Ti, 1a; Zr, 1b; Hf, 1c. R = Si(CH3)3; M = Ti, 1d) with 1,2,4,5-tetramercaptobenzene and triethylamine or 1,2,4,5-tetrasodium tetramercaptobenzene, gives the new chelate complexes M(η5-C5H4R)2S2C6H2S2(η5-C5H4R)2M (R = H; M = Ti, 2a; Zr, 2b; Hf, 2c. R = Si(CH3)3; M = Ti, 2d). The new complexes have been characterized by 1H NMR, IR and mass spectroscopy. The activation energy for the ring inversion of 2d has been determined by temperature-dependent 1H NMR spectroscopy in solution. © 1990.
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页码:77 / 81
页数:5
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