3524-35-4Relevant academic research and scientific papers
Discovery and Characterization of 1H-Pyrazol-5-yl-2-phenylacetamides as Novel, Non-Urea-Containing GIRK1/2 Potassium Channel Activators
Wieting, Joshua M.,Vadukoot, Anish K.,Sharma, Swagat,Abney, Kristopher K.,Bridges, Thomas M.,Daniels, J. Scott,Morrison, Ryan D.,Wickman, Kevin,Weaver, C. David,Hopkins, Corey R.
, p. 1873 - 1879 (2017/09/25)
The G protein-gated inwardly-rectifying potassium channels (GIRK, Kir3) are a family of inward-rectifying potassium channels, and there is significant evidence supporting the roles of GIRKs in a number of physiological processes and as potential targets for numerous indications. Previously reported urea containing molecules as GIRK1/2 preferring activators have had significant pharmacokinetic (PK) liabilities. Here we report a novel series of 1H-pyrazolo-5-yl-2-phenylacetamides in an effort to improve upon the PK properties. This series of compounds display nanomolar potency as GIRK1/2 activators with improved brain distribution (rodent Kp > 0.6).
Discovery of new orally active phosphodiesterase (PDE4) inhibitors
Ochiai, Hiroshi,Ishida, Akiharu,Ohtani, Tazumi,Kusumi, Kensuke,Kishikawa, Katuya,Yamamoto, Susumu,Takeda, Hiroshi,Obata, Takaaki,Nakai, Hisao,Toda, Masaaki
, p. 1098 - 1104 (2007/10/03)
A series of 4-anilinopyrazolopyridine derivatives were synthesized and biologically evaluated as inhibitors of phosphodiesterase (PDE4). Chemical modification of 3, a structurally new chemical lead that was found in our in-house library, was focused on 1- and 3-substituents. Full details of the discovery of a new orally active chemical lead 5 are presented. Structure-activity relationship data, pharmacological evaluation, and the subtype selectivity study are also presented.
(1,3-Dialkyl-5-amino-1H-pyrazol-4-yl)arylmethanones. A series of novel central nervous system depressants
Butler,Wise,DeWald
, p. 1396 - 1400 (2007/10/02)
A series of novel (1,3-dialkyl-5-amino-1H-pyrazol-4-yl)arylmethanones was synthesized. Pharmacological evaluation of these compounds demonstrated central nervous system depressant activity, potential anticonvulsant properties, and a low order of acute toxicity. In addition, selected compounds showed potential antipsychotic effects. This report focuses on the synthesis and structure-activity relationships of these compounds. (5-Amino-1-ethyl-3-methyl-1H-pyrazol-4-yl)(2-chlorophenyl)methanone was the most active compound against pentylene-tetrazole-induced convulsions. (5-Amino-1,3-dimethyl-1H-pyrazol-4-yl)(3-chlorophenyl)methanone also has a favorable anticonvulsant depression ratio. (5-Amino-1,3-dimethyl-1H-pyrazol-4-yl)(3-trifluoromethylphenyl)methanone, (5-amino-1,3-dimethyl-1H-pyrazol-4-yl)(3-thienyl)methanone and (5-amino-3-ethyl-1-methyl-1H-pyrazol-4-yl)phenylmethanone are very potent depressants. (5-Amino-1,3-dimethyl-1H-pyrazol-4-yl)(2-thienyl)methanone possessed marked central depressant activity without anticonvulsant activity and without impairment of motor functioning. (5-Amino-1,3-dimethyl-1H-pyrazol-4-yl)(2-fluorophenyl)methanone has a behavioral profile suggestive of antipsychotic activity and gave a positive Ames test result.
