A practical, two-step synthesis of 2-substituted 1,3-butadienes.

A practical, two-step synthesis of 2-substituted 1,3-butadienes.
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2-取代 1,3-丁二烯的实用两步合成。

DOI:
10.1021/jo802737x
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发表时间:
2009
期刊:
The Journal of organic chemistry
影响因子:
--
通讯作者:
Sieburth,ScottMcN
Sieburth,ScottMcN
中科院分区:
--
文献类型:
--
作者:
Sen,Sushmita;Singh,Swapnil;Sieburth,ScottMcN

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描述了制备 2-烷基-1,3-丁二烯的两步程序。铜酸盐加成到市售的 1,4-二溴-2-丁烯中,生成 3-烷基-4-溴-1-丁烯,这是 SN2' 取代的产物。脱卤化氢得到2-烷基-1,3-丁二烯。
A two-step procedure for preparing 2-alkyl-1,3-butadienes is described. Cuprate addition to commercially available 1,4-dibromo-2-butene yields 3-alkyl-4-bromo-1-butene, a product of SN2′ substitution. Dehydrohalogenation gives 2-alkyl-1,3-butadienes.