Condensation reagents and a process for their preparation
US7214801B2 · kind B2 · utility
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Key dates
| Filing date | Aug 3, 2005 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Aug 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.