Pyrazoles are organic compounds of the general formula C3H3N2H. It is a five-membered heterocycle consisting of three carbon atoms and two adjacent nitrogen atoms. As an H-bond-donating heterocycle, pyrazole has been used as a more lipophilic and metabolically more stable bioisomer of phenol. Pyrazoles have attracted more and more attention due to their broad spectrum of action and strong efficacy.
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Boronic acids and boronate esters are commonly used reagents in Suzuki–Miyaura coupling chemistry. Organoboron derivatives are common reagents for C–C bond formation, either through classical palladium-mediated transformations or through other newer coupling methods. Boronic esters and acids are potential intermediates in the manufacture of many active pharmaceutical ingredients (API).
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The Janssen Pharmaceutical Companies of Johnson & Johnson announced on September 8, 2023, that it had submitted a Marketing Authorization Application (MAA) to the European Medicines Agency (EMA) to seek approval of Erdafitinib for the treatment of adult patients with locally advanced unresectable or metastatic urothelial carcinoma (UC), harbouring susceptible fibroblast growth factor receptor 3 (FGFR3) genetic alterations, with disease progression during or following at least one line of therapy containing a programmed death receptor-1 (PD-1) or programmed death-ligand 1 (PD-[L]1) inhibitor. Chemenu has been working to develop more compounds for drug discovery. Here are the building blocks we can provide.
Vimseltinib (DCC-3014) is a potent and highly selective oral CSF1R kinase inhibitor that selectively and effectively inhibits CSF1R by utilizing the unique characteristics of the switch control region that regulates kinase conformational activation. The key phase 3 MOTION study conducted by vimseltinib in patients with giant cell tumor of the tendon sheath (TGCT) has shown positive results, and it is expected to submit a listing application to the FDA and the European Union next year.