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PROCESS FOR PREPARING (3-(2(R)-((1R)-1-(3,5-BIS(TRIFLUOROMETHYL)PHENYL)ETHOXY)-3(S)-(4-FLUOROPHENYL)MORPHOLIN-4-YL)METHYL)-5-OXO-4,5-DIHYDRO-(1,2,4)-TRIAZOL-1-YL) PHOSPHONIC ACID
PROCESS FOR PREPARING (3-(2(R)-((1R)-1-(3,5-BIS(TRIFLUOROMETHYL)PHENYL)ETHOXY)-3(S)-(4-FLUOROPHENYL)MORPHOLIN-4-YL)METHYL)-5-OXO-4,5-DIHYDRO-(1,2,4)-TRIAZOL-1-YL) PHOSPHONIC ACID
The present invention is concerned with a process for the preparation of the compound {3-[2(R)-[(1R)-1-[3,5-bis(tri-fluoromethyl)phenyl]ethoxy]-3(S)-(4-fluorophenyl)-morpholin-4-yl]methyl]-5-oxo-4,5-dihydro-[1,2,4]-triazol-1-yl}phosphonic acid, and pharmaceutically acceptable salts thereof. This compound is useful as a substance P (neurokinin-1) receptor antagonist. In particular, the compound is useful e.g., in the treatment of emesis and inflammatory diseases.
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