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Journals and Conferences
The regiospecific syntheses of six monosaccharide scaffolds, 1-6, containing a carboxylic acid, an azido and a free hydroxyl group were accomplished through the utilization of a key intermediate, namely, methyl 3-azido-3-deoxy-beta-D-glucopyranoside (10). Scaffold 2 was also used in generating combinatorial libraries using solid-phase methodologies.
2-Arylbenzoxazole 5 was identified as a hit from a fluorescence-based high-throughput screen for CETP inhibitors. The synthesis and SAR investigation employing array synthesis of the A- and B-rings are described.
SAR studies of pyrrolo[1,2-f]triazines as JAK2 inhibitors is presented. Achieving JAK2 inhibition selectively over JAK3 is discussed.
A series of diphenylpyridylethanamine (DPPE) derivatives was identified exhibiting potent CETP inhibition. Replacing the labile ester functionality in the initial lead 7 generated a series of amides and ureas. Further optimization of the DPPE series for potency resulted in the discovery of cyclopentylurea 15d, which demonstrated a reduction in cholesterol… (More)
A G-Protein-coupled receptor-targeted library of aryloxypropanolamines and aryloxybutanolamines was efficiently executed using a novel, polymer-supported acyclic acetal linker, producing compounds in good yields and purities.
Hydroxyl 1,2-diphenylethanamine analogs were identified as potent inhibitors of cholesterol ester transfer protein (CETP), a therapeutic target to raise HDL cholesterol. In an effort to improve the pharmaceutical properties in the previously disclosed DiPhenylPyridineEthanamine (DPPE) series, polar groups were introduced to the N-linked quaternary center.… (More)
An efficient method for the solid-supported synthesis of 5-N-alkylamino and 5-N-arylamino pyrazoles is described. This method is general and mild and utilizes readily accessible resin-immobilized beta-ketoamides 2 as starting materials for the preparation of 1. Resin-immobilized beta-ketoamide, aryl-, or alkylhydazine and Lawesson's reagent are suspended in… (More)
A novel series of diphenylpyridylethanamine-based inhibitors of cholesteryl ester transfer protein is described. Optimization of the urea moiety, particularly by incorporation of fluorine, is explored to balance in vitro metabolic stability with CETP potency in the whole plasma assay.
A series of diphenylpyridylethanamine-based inhibitors of cholesteryl ester transfer protein with aminoheterocycles appended onto the N-terminus of the chemotype were explored as urea mimetics. Potent compounds were discovered and were further optimized to improve metabolic stability and PXR transactivation profile.