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[摘要]:We report on the simple and quick synthesis of phenazine 5,10-dioxides in solvent-free conditions under microwave irradiation. Heating of benzofuroxan and dihydroxybenzene derivatives adsorbed on molecular sieves in a microwave oven for 30 seconds affords diverse biologically attractive phenazine 5,10-dioxides derivatives. Molecular sieves functions not only as support using microwave but also as catalyst and dehydration reagent. Synthesis of phenazine 5,10-dioxides seems to proceed on molecular sieves, not in molecular sieves. |
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