Patent · US Expired

Condensation reagents and a process for their preparation

US7214801B2 · kind B2 · utility

0Cited by
0References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 2005
Grant dateMay 8, 2007
Priority date
Expiry dateAug 3, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07K1/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to new bromo- and chlorothiazolium salts of the formula (I)in whichR1, R2, R3, R4, n and X− have the meaning indicated in the disclosure, a process for their preparation, their use as condensation reagents, particularly as peptide coupling reagents, and intermediates for the preparation of these compounds.

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