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

页码：8661 / 8664

页数：4

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