Journal
MOLECULES
Volume 28, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/molecules28124751
Keywords
green chemistry; photochemistry; visible-light photocatalysis; [3+2] cycloaddition; naphtho[2; 3-b]furan-4; 9-diones; dihydronaphtho[2
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A visible-light-mediated [3+2] cycloaddition reaction has been developed for the synthesis of important naphtho[2,3-b]furan-4,9-dione compounds. This new method offers a powerful, green, efficient, and facile means to expand the structural diversity of these compounds as promising scaffolds for novel drug discovery. It demonstrates excellent regioselectivity and remarkable functional group tolerance, delivering a variety of target compounds in good yields under environmentally friendly conditions.
Naphtho[2,3-b]furan-4,9-dione is an important privileged structural motif which is present in natural products, drugs, and drug candidates. Herein, visible-light-mediated [3+2] cycloaddition reaction for the synthesis of naphtho[2,3-b]furan-4,9-diones and dihydronaphtho[2,3-b]furan-4,9-diones has been developed. Under environmentally friendly conditions, a variety of title compounds were delivered in good yields. This new protocol shows excellent regioselectivity and remarkable functional group tolerance. This approach provides a powerful, green, efficient, and facile means to expand the structural diversity of naphtho[2,3-b]furan-4,9-diones and dihydronaph-tho[2,3-b]furan-4,9-diones as promising scaffolds for novel drug discovery.
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