摘要:
The present invention relates to a process for preparing compounds of general formula I wherein R1 and R2 are defined as in claim 1, the pharmaceutically acceptable salts and the solvates thereof, which may be prepared starting from compounds of general formula II wherein R1 is defined as in claim 1.
摘要:
The present invention relates to a process for preparing betamimetics of formula 1, wherein n denotes 1 or 2; R1 denotes hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R2 denotes hydrogen, halogen, C1-4-alkyl or O—C1-4-alkyl; R3 denotes hydrogen, C1-4-alkyl, OH, halogen, O—C1-4-alkyl, O—C1-4-alkylene-COOH, O—C1-4-alkylene-COO—C1-4-alkyl.
摘要:
The present invention relates to a process for preparing the compound 3-(4-piperidinyl)-2,3,4,5-tetrahydro-1,3-benzodiazepin-2(1-one of formula which is to be found as a structural element in CGRP-antagonists, which are particularly suitable for the oral treatment of migraine.
摘要:
A process for preparing a compound of formula 1 from a compound of formula 2 the process comprising reacting in one step the compound of formula 2 with a compound of formula 3 wherein: X− is chlorine, bromine, iodine, methanesulfonate, or trifluoromethanesulfonate; R1 is hydroxy, C1-C4-alkyl, C1-C4-alkoxy, CF3, or fluorine; Ar is phenyl, naphthyl, thienyl, and furyl, each optionally mono- or disubstituted with one or two groups selected from C1-C4-alkyl, C1-C4-alkoxy, hydroxy, fluorine, chlorine, bromine, or CF3; Y− is chlorine, bromine, iodine, methanesulfonate, or trifluoromethanesulfonate; and R is hydroxy, methoxy, ethoxy, O—N-succinimide, O—N-phthalimide, phenyloxy, nitrophenyloxy, fluorophenyloxy, pentafluorophenyloxy, vinyloxy, 2-allyloxy, —S-methyl, —S-ethyl, or —S-phenyl.
摘要:
The present invention encompasses a process for preparing compounds of formula (1), wherein a compound of formula (2) is reacted in the presence of a catalyst and a solvent under hydrogen pressure to form a compound of formula (1) and wherein A and R1—R4 are defined herein.
摘要:
The present invention relates to a process for preparing compounds of general formula I wherein R1 and R2 are defined as in claim 1, the pharmaceutically acceptable salts and the solvates thereof, which may be prepared starting from compounds of general formula II wherein R1 is defined as in claim 1.
摘要:
The present invention relates to a process for the manufacture of the compound 4-[(Z)-[[4-[(dimethylamino)methyl]phenyl]amino](6-fluoro-1,2-dihydro-2-oxo-3H-in-dol-3-ylidene)methyl]-benzenepropanoic acid and to a new intermediate for the synthesis.
摘要:
The present invention relates to a process for preparing compounds of general formula I wherein R1 and R2 are defined as in claim 1, the pharmaceutically acceptable salts and the solvates thereof, which may be prepared starting from compounds of general formula II wherein R1 is defined as in claim 1.
摘要:
The present invention relates to a process for preparing the compound 3-(4-piperidinyl)-2,3,4,5-tetrahydro-1,3-benzodiazepin-2(1H)-one of formula which is to be found as a structural element in CGRP-antagonists, which are particularly suitable for the oral treatment of migraine.