101513-67-1Relevant articles and documents
NEW EFFICIENT PROCESS FOR THE PREPARATION OF SITAGLIPTIN.
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Paragraph 0163; 0164, (2019/09/06)
Object of the present invention is an efficient process for the preparation of the active pharmaceutical ingredient Sitagliptine and the 2,4,5-trifluorophenylacetic acid (TFAA) and salt thereof, which is a key intermediate for the synthesis of Sitagliptine. (I)
Novel intermediates for the production of 2,4,5-trifluorobenzoyl fluoride
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, (2008/06/13)
The present invention comprises compounds of the formulas: STR1 wherein X is Cl or Br. These compounds are useful as intermediaries for the production of 2,4,5-trifluorobenzoic acid and 2,4,5-trifluorobenzoyl fluoride.