Hydrochloric Acid → HCID 131724490, compound

Participants

Reaction Conditions

Reaction Steps

[3-(4-Carbamimidoyl-phenyl)-2-(R,S)-cyclohexyl-propionylamino]-(S)-cyclohexyl-acetic acid methyl ester acetic acid salt was dissolved in a mixture of hydrochloric acid (100 ml), water (100 ml) and acetic acid (50 ml) within 1 hour. After 15 hours stirring at room temperature and 8 hours at 50° C., the mixture was evaporated and after addition of water lyophilized to yield a diastereomeric mixture (2.7 g, 72% step g and h) of the desired product. MS m/z: 414.3 (M+H)+.

Provenance & Evidence