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Copper-catalyzed intramolecular cross dehydrogenative coupling approach to coumestans from 2'-hydroxyl-3-arylcoumarins.

ABSTRACT: A copper-catalyzed intramolecular cross dehydrogenative C-O coupling reaction of 2'-hydroxyl-3-arylcoumarins was developed. This protocol provided a facile and efficient strategy for the construction of natural coumestans and derivatives in moderate to high yields. This transformation exhibited good functional group compatibility and was amenable to substrates with free phenolic hydroxyl groups.

SUBMITTER: Song X 

PROVIDER: S-EPMC9064580 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Copper-catalyzed intramolecular cross dehydrogenative coupling approach to coumestans from 2'-hydroxyl-3-arylcoumarins.

Song Xianheng X   Luo Xiang X   Sheng Jianfei J   Li Jianheng J   Zhu Zefeng Z   Du Zhibo Z   Miao Hui H   Yan Meng M   Li Mingkang M   Zou Yong Y  

RSC advances 20190501 30

A copper-catalyzed intramolecular cross dehydrogenative C-O coupling reaction of 2'-hydroxyl-3-arylcoumarins was developed. This protocol provided a facile and efficient strategy for the construction of natural coumestans and derivatives in moderate to high yields. This transformation exhibited good functional group compatibility and was amenable to substrates with free phenolic hydroxyl groups. ...[more]

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