Cobalt‐Catalyzed, Aminoquinoline‐Directed C(sp 2 )H Bond Alkenylation by Alkynes | Zendy

Grigorjeva Liene | Zendy; Daugulis Olafs | Zendy

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Cobalt‐Catalyzed, Aminoquinoline‐Directed C(sp 2 )H Bond Alkenylation by Alkynes

Author(s) -

Grigorjeva Liene,

Daugulis Olafs

Publication year - 2014

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201404579

Subject(s) - catalysis , cobalt , chemistry , medicinal chemistry , functional group , oxygen , coupling (piping) , combinatorial chemistry , polymer chemistry , organic chemistry , materials science , metallurgy , polymer

A method for cobalt‐catalyzed, aminoquinoline‐ and picolinamide‐directed C(sp 2 )H bond alkenylation by alkynes was developed. The method shows excellent functional‐group tolerance and both internal and terminal alkynes are competent substrates for the coupling. The reaction employs a Co(OAc) 2 ⋅4 H 2 O catalyst, Mn(OAc) 2 co‐catalyst, and oxygen (from air) as a terminal oxidant.

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