Condensation reagents and a process for their preparation

Details Condensation reagents and a process for their preparation Condensation reagents and a process for their preparation

2007-05-08

2007-05-08

Stockton, Laura L. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

11195940

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.

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