Abstract
The intermolecular 1,3-dipolar cycloaddition of N-tosylhydrazones and 3-nitro-2-phenyl-2H-chromene afforded 1-aryl-4-phenyl-2,4-dihydro-chromeno[3,4-c]pyrazoles in moderate to good yields. The structures of all the products were characterised by NMR, IR, HRMS and X-ray crystallographic analysis.
Keywords
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