1: carbon disulfide; acetylacetone With tetrabutylammomium bromide; potassium carbonate in water T=20°C; 1 h; 2: X-(CH2)3-X, X = Hal in water T=20°C; 8.25 h; Further stages.;
参考文献
Fu, Zhenqian; Wang, Mang; Ma, Yuhui; Liu, Qun; Liu, Jun
Journal of Organic Chemistry, 2008 , vol. 73, # 19 p. 7625 - 7630
dihydrogen peroxide in water dissolving V2O5 in a mixture of 30percent H2O2 and water, stirring in a beaker, ice bath temp.; dropwise addn. of acetylacetone to the resultant red soln., stirring; cooling of hot mixture to room temp.; warming over boiling water bath, 15min; pptn.;; filtration; washing with water (3-4times); drying in vac. over fused CaCl2; elem. anal.;;
参考文献
Bhattacharjee, Manish
Journal of Chemical Research, Synopses, 1992 , p. 415 - 415