abstract |
A method of producing Δ 1,4 -Tibolone (C 21 H 26 O 2 ), 10β-Hydroxy-Δ 4 -tibolone (C 21 H 28 O 3 ). 11α,15β-Dihydroxytibolone (C 21 H 28 O 4 ) and 11α,15β-Dihydroxy-Δ 5 -tibolone (C 21 H 28 O 4 ) by contacting tibolone and 3β,6β-Dihydroxytibolone (C 21 H 32 O 3 ) by contacting 3β-hydroxytibolone with Cunninghamella elegans (ATCC 10028b) is reported. |