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Relevant academic research and scientific papers

An efficient and economical synthesis of 5-substituted 1 H -tetrazoles via Pb(II) salt catalyzed [3+2] cycloaddition of nitriles and sodium azide

A simple, mild and efficient method is developed for the synthesis of 5-substituted 1H-tetrazoles. Out of three used Pb(II) catalysts, lead chloride (PbCl2) has been found to be an efficient catalyst for [3+2] cycloaddition of NaN3 with aromatic and aliphatic nitriles to afford 5-substituted 1H-tetrazoles. The catalyst is reusable up to four cycles with consistent activity. The cost effectiveness and easy availability of the catalyst, simple methodology, excellent yield and easy work-up are the additional advantages.

AgNO3 catalyzed synthesis of 5-substituted-1H-tetrazole via [3+2] cycloaddition of nitriles and sodium azide Dedicated to the memory of late Dr. Tarkeshwar Gupta

An efficient one-pot, convenient catalysis for the synthesis of 5-substituted-1H-tetrazoles is reported. The [3+2] cycloaddition involves various nitriles, sodium azide in refluxing DMF and AgNO3 as catalyst to give corresponding 5-substituted-

Efficient heterogeneous silver nanoparticles catalyzed one-pot synthesis of 5-substituted 1H-tetrazoles

Silver nanoparticles (AgNPs), characterized by TEM, EDX and UV studies were used as an efficient heterogeneous catalyst for the synthesis of 5-substituted 1H-tetrazoles from various nitriles possessing different functional groups in excellent yields. All

Antiviral thiazolinyl benzimidazoles

Certain thiazolinyl or thiazinyl ketobenzimidazole compounds and derivatives thereof are useful as antiviral agents.

Carbonyl-substituted 1-sulfonylbenzimidazoles

Certain carbonyl-substituted-1-sulfonylbenzimidazole compounds are useful as antiviral agents.