1: (4-bromophenyl)dichloroborane With i -Pr2Zn in diethyl ether T=25°C; 2 h; 2: in tetrahydrofuran T=-30°C; 0.166667 h; 3: 2-(bromomethyl)propenoic acid ethyl ester in tetrahydrofuran T=20°C; Further stages.;
参考文献
Hupe, Eike; Calaza, M. Isabel; Knochel, Paul
Chemical Communications, 2002 , # 13 p. 1390 - 1391
1: (4-bromophenyl)dichloroborane With i -Pr2Zn in diethyl ether T=25°C; 2 h; 2: in tetrahydrofuran T=-30°C; 0.166667 h; 3: propionyl chloride in tetrahydrofuran T=20°C; Further stages.;
参考文献
Hupe, Eike; Calaza, M. Isabel; Knochel, Paul
Chemical Communications, 2002 , # 13 p. 1390 - 1391
bromine in dichloromethane
slow addn. of Br2 in CH2Cl2 to dichlorophenylborane in CH2Cl2 (under N2or Ar) at 0°C and stirring at room temp. for 12 h; evapn. and distn. (vac.);
in benzene
byproducts: HgCl2; heating for 4 h under reflux; filtration, distn.;
参考文献
Gerrard, W.; Howarth, M.; Mooney, E. F.; Pratt, D. E.
Journal of the Chemical Society, 1963 , p. 1582 - 1584
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Gmelin Handbook: B: B-Verb.9, 5.2.5, page 200 - 205
