Collect. Czech. Chem. Commun. 1994, 59, 457-460

New Method of Preparation of Brassinosteroids

Ladislav Kohout

Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 166 10 Prague 6, Czech Republic


Brassinosteroids with lactone B-ring (II and IV) were prepared by oxidation of the corresponding 6-keto derivatives I and III without protection of the hydroxyl groups against the action of the oxidation reagent.