Synthesis of symmetrical 1,3-butadiynes by homocoupling reactions of alkynylboronates mediated by a copper salt

被引：38
|
作者：
Nishihara, Y [1 ]
Okamoto, M [1 ]
Inoue, Y [1 ]
Miyazaki, M [1 ]
Miyasaka, M [1 ]
Takagi, K [1 ]
机构：
[1] Okayama Univ, Fac Sci, Dept Chem, Okayama 7008530, Japan
来源：
TETRAHEDRON LETTERS | 2005年 / 46卷 / 50期
关键词：
boron; copper; 1,3-diynes; homocoupling; transmetalation;
D O I：
10.1016/j.tetlet.2005.10.056
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Alkynylboronates are employed as a practical and versatile precursor for a variety of it-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. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：8661 / 8664
页数：4
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