1: With [Rh(COD)(dppp)]BF4; benzo[1,3,2]dioxaborole in tetrahydrofuran T=25°C; 2 h; 2: With sodium hydroxide; dihydrogen peroxide in ethanol
参考文献
Ramirez, Jesus; Segarra, Anna M.; Fernandez, Elena
Tetrahedron Asymmetry, 2005 , vol. 16, # 7 p. 1289 - 1294
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反应条件
in pentane under Ar, addn. of the acetylene to a suspension of the Cr complex in pentane at -78°C, stirred and allowed to warm to 0°C over 7 h , held for 48 h; filtration, cooled to -78°C, crystn., elem. anal., the diene detn. by GC analysis;
in dichloromethane byproducts: C6(C6H5)6; under N2 atm. using Schlenk techniques; mixt. degassed; mixt. stirred at90°C for 15 h; solvent removed (vac.); residue redissolved in CH2Cl2; purifn. by chromy. (hexane as eluent); elem. anal.;
