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Iodine/Visible Light Photocatalysis for Activation of Alkynes for Electrophilic Cyclization Reactions

发表时间:2017-07-01 点击次数:
发表刊物:
ACS Catal
摘要:
Photocatalytic organic synthesis needs photocatalysts to initiate the reactions and to control the reaction paths. Available photocatalytic systems rely on electron transfer or energy transfer between the photoexcited catalysts and the substrates. We explore a concept based on the photopromoted catalyst coupling to the substrate and the phototriggered catalyst regeneration by elimination from the catalytic cycle. A catalytic amount of elementary I2 is applied as both a visible light photocatalyst and a π Lewis acid, enabling the direct activation of alkyne C≡C bonds for electrophilic cyclizati
论文类型:
文章
通讯作者:
Yuliang Liu, Bin Wang, Xiaofeng Qiao, Chen-Ho Tung , and Yifeng Wang*
页面范围:
4093–4099
是否译文:
发表时间:
2017-07-01