C-S Bond Cleavage at an Electrophilic Zirconium Center: Synthesis, Structure, and Thermal Decomposition of [Cp2Zr(S-t-C4H9)(THF)][BPh4]

Warren E. Piers, Linda Koch, Diane S. Ridge, Leonard R. MacGillivray, Michael Zaworotko

Research output: Contribution to journalArticlepeer-review

Abstract

Protonolysls of [Cp2ZrCH3(THF)] [BPh4] with tert-butyl mercaptan leads to the (thlolato)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, P21/c, a = 10.111 (4) Å, b = 18.6066 (18) Å, c = 19.408 (7) Å, β = 94.31 (2)°, 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.

Original languageEnglish
Pages (from-to)3148-3152
Number of pages5
JournalOrganometallics
Volume11
Issue number9
DOIs
Publication statusPublished - 1 Sep 1992
Externally publishedYes

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