Cu(II)-Catalyzed 6π-Photocyclization of Non-6π Substrates

This research successfully achieved a Cu­(II)-catalyzed 6π-photocyclization of non-6π substrates. The photoenolization converts ortho-alkylphenyl alkynl ketones into a triene-type intermediate which undergoes the subsequent 6π-photocyclization to give naphthol as the final product. Cu­(II) catalyst...

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Bibliographic Details
Published inOrganic letters Vol. 22; no. 14; pp. 5502 - 5505
Main Authors Zhang, Yanbin, Jin, Ruiwen, Kang, Wenjie, Guo, Hao
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 17.07.2020
Amer Chemical Soc
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
INTRAMOLECULAR CYCLOADDITIONS
PHOTOCHEMICAL CYCLIZATIONS
PHOTOCYCLIZATION
MECHANISM
RING-CLOSURE
CONJUGATED ARYLOLEFINS
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Summary:This research successfully achieved a Cu­(II)-catalyzed 6π-photocyclization of non-6π substrates. The photoenolization converts ortho-alkylphenyl alkynl ketones into a triene-type intermediate which undergoes the subsequent 6π-photocyclization to give naphthol as the final product. Cu­(II) catalyst facilitates both photoenolization and 6π-photocyclization. This research highlighted the tandem reaction strategy and the importance of metal catalysis in photochemistry.
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ISSN:1523-7060
1523-7052
DOI:10.1021/acs.orglett.0c01854