Synthesis of 4H-benz[de]anthracen-4-ones via 1,2-addition of metal acetylides to benzanthrone

ABSTRACT

Easy and facile syntheses of the 4H-benz[de]anthracen-4-one derivatives were achieved by the reaction of benzanthrone and lithium acetylides, followed by the treatment with silica gel in CHCl₃.

GRAPHICAL ABSTRACT

KEYWORDS:

• Benzanthrone
• 4H-benz[de]anthracen-4-ones
• metal acetylides

Acknowledgments

This work was financially supported by the Grant-in-Aid for Scientific Research and the Kansai University Research Grants: Grant-in-Aid for Encouragement of Scientists.