Patent · US Expired

Preparation of monochloropinacolone

US4642385A · kind A · utility

1Cited by
5References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 19, 1985
Grant dateFeb 10, 1987
Priority date
Expiry dateNov 19, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D249/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

In the reaction of pinacolone with chlorine in a solvent to produce monochloropinacolone, the improvement which comprises employing a solvent such as an alcohol which contains HCl at the outset of the reaction whereby the amount of by-product dichloropinacolone produced is reduced.

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