Natural dolomitic limestone-catalyzed synthesis of benzimidazoles, dihydropyrimidinones, and highly substituted pyridines under ultrasound irradiation

Kumar Godugu, Venkata Divya Sri Yadala, Mohammad Khaja Mohinuddin Pinjari, Trivikram Reddy Gundala, Lakshmi Reddy Sanapareddy and Chinna Gangi Reddy Nallagondu

Beilstein J. Org. Chem. 2020, 16, 1881–1900. https://doi.org/10.3762/bjoc.16.156

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