• These transformations tolerated a broad range of the nucleophilic reagents thus allowing the synthesis of a wide variety of hetero- and carbocyclic compounds including the derivatives of pyridine, pyrimidine, pyrazole, pyran, dioxane, and isoxazole as well as their heterofused derivatives. (researchgate.net)
  • Additional pyridine derivatives such as N -methylpyridinium linked to potential health effects are also produced during roasting. (rsc.org)
  • US Patent No. 0226216 discloses dye compositions, comprising one oxidation base and at least one coupler chosen from 6-alkoxy-2,3-diamino pyridine derivatives. (allindianpatents.com)
  • US Patent No. 0226216 discloses a process for the preparation of 6-alkoxy-2,3-diamino pyridine derivatives, where 6-alkoxy-3-nitro-2-halo pyridine derivative is reacted with various amines in a polar solvent chosen from alcohols, acetic acid, formic acid, dioxane and dimethyl formamide at a temperature of 75 - 140°C to obtain the corresponding 2-amino-3-nitropyridine derivative. (allindianpatents.com)
  • The alkaloid seems to impart bitterness to coffee brew and their derivative compounds formed during roasting, such as pyridines and pyrroles, contribute to the global coffee aroma and flavor. (rsc.org)
  • The reduction of 2-amino-3-nitro-6-alkoxy pyridine derivative is performed by hydrogenation catalyzed with palladium on carbon. (allindianpatents.com)
  • Seven compounds show good activity against single cell line whereas, compounds having a pyridine scaffold showed significant anti‐proliferative activity. (researchgate.net)