<p>The invention relates a method for preparation of betulonic acid or betulinic acid from betulin wherein the method comprises a stage for oxidizing betulin to betulonic aldehyde and/or betulinic aldehyde with Pd(ll)-catalyst catalyzed oxidation process in the presence of dioxygen.</p>
申请公布号
EP2755991(A1)
申请公布日期
2014.07.23
申请号
EP20120832649
申请日期
2012.09.07
申请人
STORA ENSO OYJ
发明人
TULISALO, JUKKA;PIRTTIMAA, MINNI;ALAKURTTI, SAMI;YLI-KAUHALUOMA, JARI;KOSKIMIES, SALME
