Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5278855 | Tetrahedron Letters | 2005 | 4 Pages |
Abstract
Alkynylboronates are employed as a practical and versatile precursor for a variety of Ï-conjugated organic compounds. In the presence of a Cu(I) or Cu(II) salt, transformation of alkynylboronates into the corresponding 1,3-diynes upon exposure to air takes place readily in aprotic polar solvents such as DMI.
Graphical abstractVarious symmetrical 1,3-butadiyne derivatives are synthesized by a copper-mediated homocoupling reaction of alkynylboronates in good to excellent yields.Download full-size image
Related Topics
Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
Yasushi Nishihara, Masanori Okamoto, Yoshiaki Inoue, Mikihiro Miyazaki, Mitsuru Miyasaka, Kentaro Takagi,