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Copper-catalyzed 1,1-difunctionalization of terminal alkynes: a three-component reaction for the construction of vinyl sulfones
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作者 Qi Sun Linge Li +3 位作者 Liyan Liu Yu Yang Zhenggen Zha Zhiyong Wang 《Science China Chemistry》 SCIE EI CAS CSCD 2019年第7期904-908,共5页
A copper-catalyzed 1,1-difunctionalization of terminal alkynes was achieved via a three-component reaction, providing a variety of vinyl sulfones with good yields and excellent chemo-and stereoselectivity. Preliminary... A copper-catalyzed 1,1-difunctionalization of terminal alkynes was achieved via a three-component reaction, providing a variety of vinyl sulfones with good yields and excellent chemo-and stereoselectivity. Preliminary mechanistic studies indicated that the reaction probably underwent a Cu-catalyzed formal C–H insertion to produce an allene intermediate, which was then trapped by a sulfonyl anion to give the corresponding product. 展开更多
关键词 copper TERMINAL ALKYNES germinal difunctionalization MULTICOMPONENT reaction VINYL SULFONES
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