C-S BOND-CLEAVAGE AT AN ELECTROPHILIC ZIRCONIUM CENTER - SYNTHESIS, STRUCTURE, AND THERMAL-DECOMPOSITION OF [CP2ZR(S-TERT-C4H9)(THF)][BPH4]

被引:31
作者
PIERS, WE [1 ]
KOCH, L [1 ]
RIDGE, DS [1 ]
MACGILLIVRAY, LR [1 ]
ZAWOROTKO, M [1 ]
机构
[1] ST MARYS UNIV, DEPT CHEM, HALIFAX B3H 3C3, NS, CANADA
关键词
D O I
10.1021/om00045a036
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Protonolysis of [Cp2ZrCH3(THF)] [BPh4] With tert-butyl mercaptan leads to the (thiolato)zirconocene Cation [Cp2Zr(S-t-C4H9)(THF)] [BPh4] in 79 % yield. In addition to the usual spectroscopic methods the complex was characterized by X-ray crystallography (monoclinic, P2(1)/c, a = 10.111 (4) angstrom, b = 18.6066 (18) angstrom, c = 19.408 (7) angstrom, beta = 94.31 (2)-degrees, Z = 4, R = 0.036). Structural Parameters and THF exchange rates point to a less electrophilic Zr center than in the parent alkyl species. Nevertheless, the center is electrophilic enough to induce C-S bond cleavage under thermal duress.
引用
收藏
页码:3148 / 3152
页数:5
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