3-chloroprop-1-ene; trifluoroacetic acid; cobalt(II) dibromide in acetonitrile Zn dust (1.5 equiv., acid-activated) , CoBr2 (0.1 equiv.), stirred for 5min with allyl chloride (0.3 equiv.), a soln. of aryl halide (1 equiv.) and a soln. 1 equiv. of B compd. added at room temp., stirred for 30 mi n, tranesterificated with pinacol; hydrolized (NH4Cl), extd. (diethyl ether);
in further solvent(s) Sonication; (N2); solvent = 1,1,3,3-tetramethylurea; 2 equivs. of Zn powder used; 50 °C; ultrasound applied for 20 h; 61percent conversion; not isolated; conversion detd. by quenching with I2;
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Gmelin Handbook: Na: MVol., 255.1, page 711 - 713
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反应条件
in water byproducts: H2O;
参考文献
Bernthsen, A.
Liebigs Annalen der Chemie, 1881 , vol. 208, p. 142 - 172
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Bernthsen, A.
Liebigs Annalen der Chemie, 1881 , vol. 208, p. 172 - 181
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Gmelin Handbook: S: MVol.B2, 1.5.3, page 498 - 514
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反应条件
in not given reaction of NaHSO3 with Zn; at first precipitation of ZnSO3 and Na2SO3; then precipitation of Na2S2O4;;
