in acetone mixt. Ph3Bi(OSO2C6H3Me2-2,5)2 and Zn in acetone was kept for 24 h at room temp.; solvent was removed, residue was extracted with petroleum ether (Ph3Bi) and EtOH (Zn(OSO2C6H3Me2-2,5)2);
参考文献
Russian Journal of General Chemistry, , vol. 71, # 8 p. 1236 - 1237
copper(l) chloride in benzene byproducts: dimedone; ylide and phenylacetylene and CuCl are refluxed in benzene for 1 h (N2); filtn., evapn., oil is passed through silica gel column (benzene); elem. anal., (1)H-NMR, (13)C-NMR, IR, mp;
