Research Articles

2025

06. Synthesis of N-Aryl and N-Alkyl Phthalimides via Denitrogenative Cyanation of 1,2,3-Benzotriazin 4(3H)-ones. Ramaraju Korivi, Jagannath Rana, Baburaj Baskar and Subramaniyan Mannathan. The Journal of Organic Chemistry, 2025, 90, 3252–3256. doi.org/10.1021/acs.joc.4c02823 

2024

05. Visible Light-Induced Denitrogenative Annulation Reaction of 1,2,3 Benzotriazin-4(3H)-ones with Alkenes and Alkynes via Electron Donor Acceptor (EDA) Complex Formation: A Sustainable Approach to Isoindolinones and Isoquinolinones Synthesis. Ramaraju Korivi, Popuri Sureshbabu, Kumar Babu Busi, Sabyasachi Chakrabortty and Subramaniyan Mannathan. Organic Chemistry Frontiers, 2024, 11, 6184 – 6193. doi.org/10.1039/D4QO01053A 

2023

04. Regioselective Synthesis of 3‐Substituted Isocoumarin‐1‐imines via Palladium‐Catalyzed Denitrogenative Transannulation of 1, 2, 3‐Benzotriazin‐4 (3H)‐ones and Terminal Alkynes. Madasamy Hari Balakrishnan, Popuri Sureshbabu, Ramaraju Korivi, Subramaniyan Mannathan Chemistry–An Asian Journal, 2023, e202300726. doi.org/10.1002/asia.202300726 

03. Convenient Synthesis of Salicylanilide Sulfonates from 1, 2, 3-Benzotriazin-4 (3 H)-ones and Organosulfonic Acids via Denitrogenative Cross-Coupling. Ramaraju Korivi, Kanagaraj Madasamy, Popuri Sureshbabu, Subramaniyan Mannathan - ACS omega, 2023, 8, 20, 18306 18311. doi.org/10.1021/acsomega.3c02165 

2022

02.Trifluoroacetic Acid-Mediated Denitrogenative ortho-Hydroxylation of 1, 2, 3-Benzotriazin-4 (3 H)-ones: A Metal-Free Approach. Kanagaraj Madasamy, Madasamy Hari Balakrishnan, Ramaraju Korivi, Subramaniyan Mannathan. The Journal of Organic Chemistry, 2022, 87 (13), 8752-8756 . doi.org/10.1021/acs.joc.2c00354 

01. Sustainable Bioengineering of Gold Structured Wide-Area Supported Catalysts for Hand-Recyclable Ultra-Efficient Heterogeneous Catalysis. Chandra S Bhatt, Divya S Parimi, Tharun K Bollu, Madhura H. U, Noah Jacob, Ramaraju Korivi, Sai S Ponugoti, Subramaniyan Mannathan, Sunil Ojha, Nico Klingner, M Motapothula, Anil K Suresh. ACS Applied Materials & Interfaces, 2022, 14 (46), 51855-51866. doi.org/10.1021/acsami.2c13564