Development of new chromanol antagonists of leukotriene D4. 1998

R J Chambers, and G W Antognoli, and J B Cheng, and A Marfat, and J S Pillar, and J T Shirley, and J W Watson
Central Research Division, Pfizer Inc., Groton, CT 06340, USA.

By addressing the issues of potency and metabolism in 3, a new series of LTD4 antagonists represented by (+)-26 was developed which is equipotent to clinical LTD4 antagonists Zafirlukast (1) and Pranlukast (2).

UI MeSH Term Description Entries
D007211 Indoles Benzopyrroles with the nitrogen at the number one carbon adjacent to the benzyl portion, in contrast to ISOINDOLES which have the nitrogen away from the six-membered ring.
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D002839 Chromans Benzopyrans saturated in the 2 and 3 positions. Dihydrobenzopyrans
D002867 Chromones 1,4-Benzopyrones,Chromone,1,4 Benzopyrones
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013449 Sulfonamides A group of compounds that contain the structure SO2NH2. Sulfonamide,Sulfonamide Mixture,Sulfonamide Mixtures,Mixture, Sulfonamide,Mixtures, Sulfonamide
D014105 Tosyl Compounds Toluenesulfonyl compounds with general formula CH3C6H4S(O2)R” widely used to block amino groups in the course of syntheses of drugs and other biologically active compounds. Toluenesulfonyl Compounds,Compounds, Toluenesulfonyl,Compounds, Tosyl
D048448 Phenylcarbamates Phenyl esters of carbamic acid or of N-substituted carbamic acids. Structures are similar to PHENYLUREA COMPOUNDS with a carbamate in place of the urea. Phenyl-Carbamates,Phenyl Carbamates

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