906371-78-6Relevant articles and documents
NOVEL HETEROCYCLIC COMPOUNDS AND USE THEREOF IN MEDICINE AND IN COSMETICS
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Paragraph 1108; 1322, (2018/03/25)
The invention relates to novel heterocyclic compounds of general formula (I), as well as their pharmaceutically acceptable salts, and their enantiomers. The invention also relates to the use thereof as a medicinal product, preferably in the prevention and/or treatment of inflammatory diseases with a neurogenic component or use thereof as a cosmetic. The compounds of the present invention act as antagonists of the CGRP-R receptor.
PROCESS FOR THE PREPARATION OF PYRIDINE HETEROCYCLE CGRP ANTAGONIST INTERMEDIATE
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Page/Page column 30-31, (2008/06/13)
An efficient syntheses for the preparation of the intermediate 2-oxo-1-(4-piperidinyl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine dihydrochloride, and other salt forms of 2-oxo-1-(4-piperidinyl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine.
PROCESS FOR THE PREPARATION OF CGRP ANTAGONIST
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Page/Page column 29-30, (2008/06/13)
An efficient synthesis for the preparation of N-[(3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-(2,2,2-trifluoroethyl)azepan-3-yl]-4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine -1-carboxamide, by coupling (3R,6S)-3-amino-6-(2,3-difluorophenyl)-1-(2,2,2-trifluoroethyl)azepan-2-one and 2-oxo-1-(4-piperidinyl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine dihydrochloride with 1,1''-carbonyldiimidazole (""CDI"") as carbonyl source; and an efficient preparation of the potassium salt of N-[(3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-(2,2,2-trifluoroethyl)azepan-3-yl]-4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine -1-carboxamide.