Synthesis and biological activity of pyrido[3',2':4,5]thieno[3,2-d]pyrimidines as phosphodiesterase type 4 inhibitors. 2010

Joan Taltavull, and Jordi Serrat, and Jordi Gràcia, and Amadeu Gavaldà, and Míriam Andrés, and Mónica Córdoba, and Montserrat Miralpeix, and Dolors Vilella, and Jorge Beleta, and Hamish Ryder, and Lluís Pagès
Almirall, R&D Centre, Barcelona, Spain.

A series of pyrido[3',2':4,5]thieno[3,2-d]pyrimidines (PTP) has been synthesized and tested as phosphodiesterase IV inhibitors (PDE4), a target for the treatment of asthma and chronic obstructive pulmonary disease (COPD). Structure-activity relationships within this series, leading to an increase of potency on the enzyme, are presented. The gem-dimethylcycloalkyl moiety fused to the pyridine ring proved to be a key element of the scaffold in order to get a higher affinity in the enzyme.

UI MeSH Term Description Entries
D010843 Pichia Yeast-like ascomycetous fungi of the family Saccharomycetaceae, order SACCHAROMYCETALES isolated from exuded tree sap. Hansenula,Hansenulas,Pichias
D011725 Pyridines Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.
D011743 Pyrimidines A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates.
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
D013876 Thiophenes A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur. Thiophene
D058988 Phosphodiesterase 4 Inhibitors Compounds that specifically inhibit PHOSPHODIESTERASE 4. PDE-4 Inhibitor,PDE4 Inhibitor,Phosphodiesterase 4 Inhibitor,Phosphodiesterase Type 4 Inhibitor,PDE-4 Inhibitors,PDE4 Inhibitors,Phosphodiesterase Type 4 Inhibitors,4 Inhibitor, Phosphodiesterase,Inhibitor, PDE-4,Inhibitor, PDE4,Inhibitor, Phosphodiesterase 4,Inhibitors, PDE-4,Inhibitors, PDE4,Inhibitors, Phosphodiesterase 4,PDE 4 Inhibitor,PDE 4 Inhibitors

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