NOVEL CRYSTALS AND PROCESS OF MAKING 5-({[2-AMINO-3-(4-CARBAMOYL- 2,6-DIMETHYL-PHENYL)-PROPIONYL]-[1-(4-PHENYL-1H-IMIDAZOL-2-YL)-E THYL]-AMINO}-METHYL)-2-METHOXY- BENZOIC ACID.

摘要

The present invention relates to a novel crystal of 5- ({ [2-amino-3- (4-carbamoyl-2, 6-dimethyl-phenyl) -propionyl] - [1- (4 -phenyl- Ih- imid azol-2-yl) -ethyl] -amino} -methyl) -2-methoxy-benzoic acid and methods of making the zwitterion of 5- ({ [2-amino-3- (4-carbamoyl-2, 6-dimethyl-phenyl) -propionyl] - [1- (4-phenyl-lh-imid azol-2-yl) -ethyl] -amino} -methyl) -2-methoxy-benzoic acid.