| abstract |
Use of a bacterial microorganism of the species Amycolatopsis mediterranei for the transformation of a compound 9 beta, 10-steroid compound of general Formula (I) ** see formula ** in which R1 and R4 together form an oxygen, or R4 is a group beta-acetyl and R1 is selected from the group consisting of hydrogen, -OH, -O-(C1-C4) alkyl, and -O- CO-(C1-C4) alkyl, and R2 and R3 are both hydrogen or together form a methylene group, in its corresponding 11 beta-hydroxyl analog. |