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Lee, Jongkook published the artcileSynthesis and structure-activity relationship of aminopyridines with substituted benzoxazoles as c-Met kinase inhibitors, Related Products of pyrazoles-derivatives, the publication is Bioorganic & Medicinal Chemistry Letters (2012), 22(12), 4044-4048, database is CAplus and MEDLINE.

A series of hydroxybenzoxazole derivatives, e.g., I [R² = H, Cl, MeNH, MeCONH, R³ = H, MeCO, Me(OH)CH, 3-pyrazolyl, etc., R⁴ = H, 2-pyridinyl, 4-MeOC₆H₄, Me₂CHNH], was synthesized, and their c-Met kinase inhibitory activity was evaluated. Described herein is a potent c-Met inhibitor by structural modification of the parent benzoxazole scaffold, with particular focus on the hydroxyl substituent of the benzoxazole moiety.

Bioorganic & Medicinal Chemistry Letters published new progress about 724710-02-5. 724710-02-5 belongs to pyrazoles-derivatives, auxiliary class Pyrazole,Boronic acid and ester,Pyrazole,Boronic Acids,Boronic acid and ester, name is (1H-Pyrazol-5-yl)boronic acid, and the molecular formula is C3H5BN2O2, Related Products of pyrazoles-derivatives.

Referemce:
https://en.wikipedia.org/wiki/Pyrazole,
Pyrazoles – an overview | ScienceDirect Topics

El-Agrody, A. M. published the artcileReactions of benzopyran-2-one-3-carbonyl derivatives with nucleophilic reagents, HPLC of Formula: 54385-49-8, the main research area is carbethoxycoumarin reaction phenylenediamine aminophenol; coumarincarbonyl chloride reaction nucleophilic reagent; azaindenylcarbonylcoumarin; benzimidazolylcoumarin; benzoxazolylcoumarin.

Several benzopyran-2-one-3-carboxamides have been prepared by the condensation of coumarin-3-carbonyl chloride with various nucleophilic reagents. The reaction of 3-carbethoxycoumarin with o-phenylenediamine and o-aminophenol gave 3-(benzimidazolyl)- and 3-(benzoxazolyl)coumarins. The reaction of 3-(bromoacetyl)coumarin with 3-cyano-4,6-dimethylpyridine-2-thiol in the presence of K2CO3 gave I.

Pakistan Journal of Scientific and Industrial Research published new progress about carbethoxycoumarin reaction phenylenediamine aminophenol; coumarincarbonyl chloride reaction nucleophilic reagent; azaindenylcarbonylcoumarin; benzimidazolylcoumarin; benzoxazolylcoumarin. 54385-49-8 belongs to class pyrazoles-derivatives, name is 5-Amino-1H-pyrazole-3,4-dicarbonitrile, and the molecular formula is C5H3N5, HPLC of Formula: 54385-49-8.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics