in tetrahydrofuran addition of a solution of C2H5Br in THF drop by drop to a mixture of Mg and C6F6/THF (mol ratio C2H5Br/C6F6 = 1/1) within 0.75 hours, cooling with ice water;;
参考文献
Respes et al.
Journal of Organometallic Chemistry, 1969 , vol. 19, p. 191
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Gmelin Handbook: F: PerFHalOrg.4, 2.2.2, page 61 - 67
1: ethyl bromide With iron (III) acetylacetonate; magnesium in tetrahydrofuran 2: 2-chloro-3,5-dimethylpyrazine With 1-methyl-pyrrolidin-2-one T=0°C; 0.25 h;
参考文献
Dickschat, Jeroen S.; Wickel, Susanne; Bolten, Christoph J.; Nawrath, Thorben; Schulz, Stefan; Wittmann, Christoph
European Journal of Organic Chemistry, 2010 , # 14 p. 2687 - 2695
