Patent · US Expired

Thiohydrazine-1,2-dicarboxylic acid derivatives and process for their preparation

US4599407A · kind A · utility

1Cited by
0References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 5, 1985
Grant dateJul 8, 1986
Priority date
Expiry dateAug 5, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention concerns new 1-tert.-alkyl-thiohydrazine-1,2-dicarboxylic a derivatives, their production, and their use as reagents for the transfer of a 1-tert.-alkylthio residue, particularly of a 1-tert.-butylthio residue as a protective group for thiols.

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