Copper catalyzed decarboxylative alkynylation of quaternary α-cyano acetate salts.

Copper catalyzed decarboxylative alkynylation of quaternary α-cyano acetate salts.

Organic letters (2013-03-12)

Yi-Si Feng, Zhong-Qiu Xu, Long Mao, Feng-Feng Zhang, Hua-Jian Xu

ZUSAMMENFASSUNG

Cu-catalyzed decarboxylative alkynylation of quaternary α-cyano acetate salts with alkynyl bromides and alkynyl chlorides is described. This new reaction can be used for preparing functionalized butynenitrile derivatives.

MATERIALIEN

Produktnummer

Marke

Produktbeschreibung

221775

Sigma-Aldrich

Kupfer(II)-bromid, 99%

437867

Sigma-Aldrich

Kupfer(II)-bromid, 99.999% trace metals basis