C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
C07H 17/08 (2006.01)
Patent
CA 2485433
The present invention describes new procedures for the preparation of the macrolide azithromycin in its non-crystalline and crystalline dihydrate forms, which are characterized and clearly differentiated by means of the following methods and techniques: 1. IR Spectroscopy. 2. Differential Scan Calorimetry (DSC). 3. X-Ray Diffraction. 4. Hygroscopicity. 5. Crystallinity test (Light Polarized Microscopy)
Bayod Jasanada Miguel Santos
Fernandez Mari Felix
Llorente Garcia Isidro
Astur Pharma S.a.
Gowling Lafleur Henderson Llp
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