Synthesis of some new biologically active 1,3,4-oxadiazolyl nitroindoles and a modified Fischer indole synthesis of ethyl nitro indole-2-carboxylates

An efficient and modified synthesis of ethyl-4-nitro/5-nitro/6-nitro and 7-nitro-indole-2-carboxylates is described. Carbohydrazides of corresponding ethyl nitroindole-2-carboxylates are converted to 1,3,4-oxadiazolyl nitroindoles and studied for their anti-inflammatory activity. An efficient and mo...

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