The present invention relates to a method for preparation of betulinic acid from betulin. The method comprises oxidizing betulin to betulinic and/or betulonic aldehyde with a ruthenium based catalyst catalyzed oxidation process in the presence of an oxidant, and further converting the betulinic and/or betulonic aldehyde to betulinic acid.
申请公布号
ES2599352(T3)
申请公布日期
2017.02.01
申请号
ES20120832504T
申请日期
2012.09.07
申请人
Stora Enso Oyj
发明人
TULISALO, Jukka;WICKHOLM, Niko;PIRTIMAA, Minni;ALAKURTTI, Sami;YLI_KAUHAULUOMA, Jari;KOSKIMIES, Salme