Synthesis of renin inhibitors involving a cycloaddition...

C - Chemistry – Metallurgy – 07 – D

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C07D 207/16 (2006.01) C07C 237/22 (2006.01) C07C 251/24 (2006.01)

Patent

CA 2623495

The invention related to a novel process, novel process steps and novel intermediates useful in the synthesis of pharmaceutically active compounds, especially renin inhibitors, such as Aliskiren. Inter alia, the invention relates to a process for the manufacture of a compound of the formula (III), wherein R, R1, and R' are as defined in the specification, or a salt thereof, and a compound of formula (IV) wherein R, R1, R2 and R' are as defined in the specification, and processes of manufacturing these.

L'invention concerne un nouveau procédé, de nouvelles étapes de processus ainsi que de nouveaux intermédiaires utilisés dans la synthèse de composés actif sur le plan pharmaceutique, en particulier des inhibiteurs de la rénine, tels que l'aliskiren. L'invention concerne notamment un procédé de préparation d'un composé représenté par la formule (III), dans laquelle R, R1, et R' sont tels que définis dans la description, ou un sel de celui-ci, un composé représenté par la formule (IV), dans laquelle R, R1, R2 et R' sont tels que définis dans la description, ainsi que des procédés de fabrication de ces composés.

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