Patent · US Expired

Process for producing a 3,4-alkylene-1,3,4-thiadiazolidin-2-one and intermediates for the same

US5705651A · kind A · utility

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12Claims
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Assignee

Inventors

Key dates

Filing dateAug 22, 1995
Grant dateJan 6, 1998
Priority date
Expiry dateAug 22, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D513/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

According to the process of the present invention, a 3,4-alkylene-1,3,4-thiadiazolidin-2-one, which is useful as a herbicide, can be easily produced in a high yield by reacting a 1,3,4-thiadiazolidin-2-one with a dihaloalkane in the presence of a base.

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