Base-Catalyzed Halogen Dance Reaction and Oxidative Coupling Sequence as a Convenient Method for the Preparation of Dihalo-bisheteroarenes

被引:53
|
作者
Getmanenko, Yulia A. [1 ,2 ]
Tongwa, Paul [3 ]
Timofeeva, Tatiana V. [3 ]
Marder, Seth R. [1 ,2 ]
机构
[1] Georgia Inst Technol, Dept Chem & Biochem, Atlanta, GA 30332 USA
[2] Georgia Inst Technol, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA
[3] New Mexico Highlands Univ, Dept Chem, Las Vegas, NM 87701 USA
基金
美国国家科学基金会;
关键词
FIELD-EFFECT TRANSISTORS; POLYMERS; MOBILITY; COPOLYMERS;
D O I
10.1021/ol1006423
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A one-pot preparation of the 2,2'-dibromo-1,1'-bisheteroarenes 3a-d from bromo-heteroarenes utilizing the sequence of the base-catalyzed halogen dance (BCHD) reaction and CuCl(2)-promoted oxidative coupling of the in situ formed alpha-lithio-beta-halo-heteroarenes 2a-d provides a convenient access to precursors for the preparation of tricyclic heteroaromatic cores. The structures of 3a,b,d, 6, and 9 were confirmed by single-crystal X-ray analysis, and dibromides 3a and 3b were used for the preparation of dithieno-[2,3-b:3',2'-d]-pyrrole 10a and its selenophene analogue 10b, respectively.
引用
收藏
页码:2136 / 2139
页数:4
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