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PDE5 inhibitors: An original access to novel potent arylated analogues of tadalafil

Literature Life Science

Compounds evaluated with the HTRF cGMP quantification kit

Abstract

A method to access totally new analogues of tadalafil was explored. The Buchwald reaction was adapted and used to replace the methyl group of tadalafil by various aryl groups. Inhibition potencies on PDE5 of these analogues were determined and proved to be comparable to the one of tadalafil. Using the same route, compounds with the same level of activity but improved water solubility were produced by introducing a pyridine or a pyrimidine ring. This original route also opens access to new unpatented compounds.

Details

Bioorg Med Chem Lett. 2007;17(3):789-92

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