Abstract
A facile ring closure reaction of mitoxantrone for the preparation of naphtho[2,3-f]quinoxaline-7, 12-dione 3a was studied and optimized. This method allows the preparation of 3a in multigram quantities without the need for chromatography.
A facile ring closure reaction of mitoxantrone for the preparation of naphtho[2,3-f]quinoxaline-7, 12-dione 3a was studied and optimized. This method allows the preparation of 3a in multigram quantities without the need for chromatography.
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