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Microwave-assisted synthesis of pyrazole by 1, 3-dipolar cycloaddition of diazo compounds to acetylene derivatives

Microwave-assisted preparation of a wide range of 5-ethoxycarbonylpyrazoles and 3-pyrazoles by 1, 3-dipolar cycloaddition of diazo compound to acetylenes is described. All reactions were carried out using high throughput sequential technique

pyrazoles; microwave synthesis; high throughput screening; 1; 3-dipolar cycloadditions; five membered rings

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