CCSO nano catalyzed solid phase synthesis of 3-oxo-5,6-disubstituted-2,3-dihydropyridazine-4-carbonitrile
2014
Singh, Praveen | Ranjeet Kumar, | Yadav, Brijesh Kumar | Khanna, Ranjana S. | Tewari, Ashish Kumar
Co-doped Ce₀.₉₄Ca₀.₀₅Sr₀.₀₁O₁.₉₄ (CCSO) nano particles have been successfully synthesized by an auto-combustion method and were characterized by XRD, TEM and AFM analyses. The catalytic activity of the nano-catalyst is evaluated by the synthesis of substituted pyridazines from substituted benzil and cyano acetylhydrazide, which have great biological and pharmaceutical interest. Thus, a highly economically efficient one-pot solvent free synthesis of pyridazine was developed, which is promoted by the CCSO nano catalyst. The benefits of the reaction are its very short time (2–4 min) and high yields (90–95%). The method offers a highly convergent, inexpensive, and functionality-tolerable procedure for rapid access to important pyridazine compounds in good yields.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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