LORACARBEF ISOPROPANOLATE AND A PROCESS FOR CONVERTING LORACARBEF ISOPROPANOLATE TO LORACARBEF MONOHYDRATE

摘要

The invention is directed to the crystalline isopropyl alcohol solvate of loracarbef, and also is directed to a process for the preparation of the crystalline monohydrate form of the compound of formula (I) ##STR1## which includes exposing the crystalline isopropyl solvate form of the compound of formula (I) to a temperature of between about 50° and 90° C. and a relative humidity of between about 60 to about 100%.