in tetrahydrofuran (N2 or Ar); in a round-bottom flask manganese solution is added with stirring to the crotonate, stirring for 30 min; solvent is removed under reduced pressure, extd. with pentane, chromy. on silica gel(CH2Cl2), elem. anal., further products;
参考文献
Canadian Journal of Chemistry, , vol. 68, # 3 p. 492 - 501
