A METHOD OF PRODUCING A CRYSTALLINE FORM OF SODIUM 2-[(4S)-8-FLUORO-2-[4-(3-METHOXYPHENYL)PIPERAZIN-1-YL]-3-[2-METHOXY-5-(TRIFLUOROMETHYL)PHENYL]-4H-QUINAZOLIN-4-YL]ACETATE TRIHYDRATE
The present invention refers to an effective method of preparing a crystalline form of 2- [(4S)-8-fluoro-2-[4-(3-methoxyphenyl)piperazin-1-yl]-3-[2-methoxy-5- (trifluoromethyl)phenyl]-4H-quinazolin-4-yl]acetic acid sodium trihydrate.