Transition-metal-free homocoupling of 1-haloalkynes: a facile synthesis of symmetrical 1, 3-diynes

Z Chen, H Jiang, A Wang, S Yang

Index: Chen, Zhengwang; Jiang, Huanfeng; Wang, Azhong; Yang, Shaorong Journal of Organic Chemistry, 2010 , vol. 75, # 19 p. 6700 - 6703

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Citation Number: 53

Abstract

1,3-Diyne compounds are versatile building blocks in the construction of linearly π-conjugated acetylenic oligomers and polymers,(1) natural products,(2) electronic and optical materials,(3) and molecular recognition systems.(4) They are obtained either by Cu-mediated homocoupling reactions including Glaser coupling,(5) Eglinton coupling,(6) Hay coupling,(7) and related modified methods,(8, 9) or by Pd-catalyzed homocoupling reactions.(10, 11) ...

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