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
EP2755990(B1)
申请公布日期
2016.07.20
申请号
EP20120832504
申请日期
2012.09.07
申请人
STORA ENSO OYJ;KOSKIMIES, SALME
发明人
TULISALO, JUKKA;WICKHOLM, NIKO;PIRTIMAA, MINNI;ALAKURTTI, SAMI;YLI_KAUHAULUOMA, JARI;KOSKIMIES, SALME
