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The key intermediates produced to date from sterols microbially include some C 19 steroids such as AD , ADD ,9α-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 9α-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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jiangguofeng
金虫 (著名写手)
- 翻译EPI: 248
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bxzc123: 金币+30, 翻译EPI+1, ★★★很有帮助 2015-05-05 10:38:09
bxzc123: 金币+30, 翻译EPI+1, ★★★很有帮助 2015-05-05 10:38:09
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迄今为止，由甾醇类微生物生成的关键中间体包括AD、ADD、9α-羟基AD、睾酮、勃地酮一类的某些C 19甾类和20-羧基孕甾-4-烯-3-酮、20-羟甲基孕甾-4-烯3-酮以及它们各自的1-脱氢物和9α-羟基物一类孕烷的C22甾类 这些代谢物是于C-1、C-2、C-6、C-10、C-11和C-17a-CH3的羟基化作用和底物的甾体骨架的环A的芳构化作用而产生的。 |
2楼2015-05-05 10:32:29