Tadalafil crystal forms and processes for preparing them

Details Tadalafil crystal forms and processes for preparing them Tadalafil crystal forms and processes for preparing them

C - Chemistry, Metallurgy

07

D

C07D 471/14 (2006.01)

Patent

CA 2582092

The present invention provides tadalafil crystal forms II, III, IV, VI, VII, and VIII, and processes for preparing these forms. The present invention also provides processes for preparing tadalafil forms I and V.

L'invention concerne des formes cristallines de tadalafil II, III, IV, VI, VII, et VIII et des procédés pour préparer ces formes. L'invention concerne également des procédés pour préparer des formes I et V de tadalafil.

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