A method for preparing penicillin g procaine

C - Chemistry – Metallurgy – 07 – D

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C07D 499/00 (2006.01) A61K 9/14 (2006.01) A61K 31/43 (2006.01)

Patent

CA 2575620

A process for preparing penicillin G procaine comprises the steps of introducing inactive ingredients into a first mixing tank and sterilising the mixture of inactive ingredients in the first mixing tank. A procaine hydrochloride is dissolved in a second mixing tank, and the contents of the second mixing tank are added to the first mixing tank through a sterile filter. A solution of penicillin G potassium is introduced to the first mixing tank through a sterile filter, and the contents of the first mixing tank are mixed so that the procaine hydrochloride reacts with the penicillin G potassium forming penicillin G procaine. The resulting suspension is transferred through a homogeniser to a holding tank and penicillin G procaine is filled into a container.

Cette invention concerne un procédé permettant de préparer la procaïne pénicilline G comprenant les étapes de d~introduction d~ingrédients inactifs dans un premier réservoir de mélange et de stériliser le mélange d'ingrédients inactifs dans le premier réservoir de mélange. Le chlorhydrate de procaïne est dissout dans un second réservoir de mélange et les contenus du second réservoir sont ajoutés au premier réservoir de mélange à travers un filtre stérile. Une solution de pénicilline G potassique est introduite dans le premier réservoir de mélange à travers un filtre stérile et les contenus du premier réservoir de mélange sont mélangés de manière que le chlorhydrate de procaïne réagit à la pénicilline G potassique pour former la pénicilline G procaïne. La suspension obtenue est transférée à travers un homogénéisateur vers la cuve de rétention et la procaïne pénicilline G est remplie dans le contenant.

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