Biotransformations of epiandrosterone (1), dehydroepiandrosterone (2), testosterone (3), progesterone (4) and pregnenolone (5) by Aspergillus tamarii MRC 72400 for 5 days have been reported and the results of these incubations ...

The incubations of androst-4-ene-3,17-dione with Aspergillus candidus MRC 200634, Aspergillus tamarii MRC 72400, Aspergillus wentii MRC 200316 and Mucor hiemalis MRC 70325 for 5 days are reported. A. candidus MRC 200634 ...

In this work, incubations of testosterone, dehydroepiandrosterone and pregnenolone with Mucor hiemalis MRC 70325 have been reported. Incubation of testosterone afforded androst-4-en-3,17-dione (3%), 14 alpha-hydroxyandrost-4- ...

Incubation of testosterone 1 with Cladosporium sphaerospermum MRC 70266 afforded six metabolites and two of these metabolites, 6?,16?,17?-trihydroxyandrost-4-en-3-one 6 and 6?,12?,17?-trihydroxyandrost-4-en-3-one 7, were ...

Tetracyanoethylene has been shown to be a mild catalyst which possesses some stereoselectivity, for the hydrolysis of the esters of steroidal alcohols.

Biotransformations of epiandrosterone (1), dehydroepiandrosterone (2) and pregnenolone (3) by Aspergillus wentii MRC 200316 for 5 days have been reported. Incubation of epiandrosterone (1) afforded 11 alpha-hydroxy-5 ...

Incubation of epiandrosterone with Aspergillus sydowii MRC 200653 afforded ten metabolites. The fungal dehydrogenation of epiandrosterone is reported for the first time. The formation of the major metabolite, 6 ...

The preparation of 3 alpha, 4 alpha, 17 beta-trihydroxy-, 3 alpha, 4 alpha, 16 alpha, 17 alpha- and 2 alpha, 3 alpha, 16 alpha, 17 alpha-tetrahydroxy-5 alpha- androstane derivatives (5, 11, 18) from testosterone as steroidal ...

The biotransformation of 3β-hydroxy-5β-methyl-19-norpregn-9-en-20-one and the corresponding 3,20-dione by Cephalosporium aphidicola has been shown to give 10β-hydroxy-5β-methyl-19-norpregn-9(11)-ene-3,20-dione and related ...