EFFICIENT PROCEDURES FOR 1-BROMO-1,3-BUTADIENE AND 2-BROMO-1,3-BUTADIENE

被引:10
|
作者
KEEGSTRA, MA [1 ]
VERKRUIJSSE, HD [1 ]
ANDRINGA, H [1 ]
BRANDSMA, L [1 ]
机构
[1] UNIV UTRECHT,DEBIJE INST,DEPT PREPARAT ORGAN CHEM,PADUALAAN 8,3584 CH UTRECHT,NETHERLANDS
关键词
D O I
10.1080/00397919108020841
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Mixtures of Z- and E-1-bromo-1,3-butadiene in which the E- or Z- isomer predominates have been obtained in good yields by treating a mixture of Z- and E-1,4-dibromo-2-butene (90% Z-isomer) or pure E-1,4-dibromo-2-butene, respectively, with powered potassium hydroxide in high-boiling petroleum. 2-Bromo-1,3-butadiene was obtained in high yields by stirring a mixture of vinylacetylene, concentrated aqueous hydrogen bromide and copper(I) bromide.
引用
收藏
页码:721 / 726
页数:6
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