Patent · US Expired

Process for preparation of half-vanadocene compound

US6849753B2 · kind B2 · utility

0Cited by
2References
7Claims
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Assignee

Inventors

Key dates

Filing dateNov 15, 2002
Grant dateFeb 1, 2005
Priority date—
Expiry dateFeb 4, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S526/943
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing a half-vanadocene compound, the process comprising reacting chlorine gas with a vanadocene compound represented by the formula (1)Cp2VX2  (1)wherein Cp represents cyclopentadienyl, substituted cyclopentadienyl, indenyl, substituted indenyl, fluorenyl, substituted fluorenyl, benzoindenyl, substituted benzoindenyl, azulenyl or substituted azulenyl, and the two Cp groups may be the same or different, X represents fluorine, chlorine, bromine or iodine and the two X atoms may be the same or different.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.