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Sep 21, 2015Keywords:
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An Efficient and Rapid Access to the Synthesis of Tetrahydrochromeno[4,3-b]chromene-6,8-dione Derivatives by Magnesium Perchlorate
Abstract
Arapid and green procedure has been introduced for the preparation of tetrahydrochromeno[4,3-b]chromene-6,8-dione derivatives in the presence of magnesium perchlorate. This solvent-free procedure offers some advantages such as short reaction times, high yields, an easy-to-handle catalyst, and avoidance of organic solvents. In this work four new compounds are reported.
KEYWORDS: Tetrahydrochromeno[4,3-b]chromene-6,8-dione, solvent-free, magnesium perchlorate, three-component reactions.
