反应条件
ammonium chloride; zinc in tetrahydrofuran; water
Ph3SnCl is added to THF/H2O (NH4Cl saturated) mixt. with excess of zinc powder, appropriate allyl bromide is added dropwise under stirring within 5 min, filtn. after 1 h of mixing, THF is removed, residue is treated with chloroform; extn. (chloroform), drying (Na2SO4), solvent is evapd., treated with petroleum ether or n-hexane, solvent is evapd., crystd. (ethanol), mixt. of Ph3SnCHCCH2 and Ph3SnCH2CCH ratio 58:42; total yield 74percent;
参考文献
Gyldenfeldt, Friederike von; Marton, Daniele; Tagliavini, Giuseppe
Organometallics, 1994 , vol. 13, p. 906 - 913
