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bxzc123

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The key intermediates produced to date from sterols microbially include some C 19 steroids such as AD , ADD ,9¦Á-hydroxy-AD, testosterone , boldenone ,as well as C 22 steroids of pregnane series such as 20-carboxy-pregna-4-en-3-one, 20-hydroxymethyl pregna-4-en-3-one, and their respective 1-dehydro and 9¦Á-hydroxy analogs

These metabolites were resulted from the hydroxylation at C-1, C-2, C-6, C-10, C-11,and C-17 a -CH 3 , as well as aromatization of ring A of the steroidal skeleton of substrate 1.
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