Abstract
Abstract A novel fused isocoumarin skeleton has been synthesized through selective domino multicyclizations by mixing homothallic acid and 2,3-diphenylacryloyl chloride at 200 °C under catalyst and solvent free reaction conditions. Six fused rings with two stereogenic centers were assembled in a convenient one-pot operation in good yield. The resulting hexacyclic fused isocoumarin skeleton and its stereochemistry was fully characterized and unambiguously confirmed by X-ray diffraction analysis.
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