Patent · US Expired

Preparation of alkyl thiosemicarbazides

US4853483A · kind A · utility

2Cited by
10References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 17, 1987
Grant dateAug 1, 1989
Priority date
Expiry dateSep 17, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C331/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of alkyl semicarbazides by reaction of a dithiocarbamate and hydrazine in a weakly basic reaction media using a metal rearrangement catalyst.

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