norbornene; ruthenium(II)-carbonyl-tris(triphenylphosphine) dihydride in neat (no solvent) boron compd., RuH2(CO)(PPh3)3, norbornene, silane heated (160°C, 24 h), treated with pinacol and TsOH in THF at room temp. for 1 h; NMR;
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);
1: C10H14BClN2 With magnesium bis(2,2,6,6-tetramethylpiperamide) in tetrahydro-4H-pyran; hexane RefluxCoolingInert atmosphere; 2: With iodine in tetrahydro-4H-pyran; hexane T=20°C; Inert atmosphereCooling; 3: 2,3-dimethylbutane-2,3-diol Further stages;
参考文献
Chemistry - A European Journal, , vol. 17, # 29 p. 8005 - 8008
