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1)  steroid degradation
甾体降解
1.
3-ketosteroid-9α-hydroxylase (KSH),a key enzyme in the microbial steroid degradation,is highly valuable for the production of some steroid drugs.
3-甾酮-9α-羟基化酶(KSH)是微生物甾体降解途径中的关键酶,在甾体药物制备中有重要价值。
2)  C_(21) steroidal fraction degradation product of Marsdenia tenacissima
通光藤C_(21)甾体部位降解产物
3)  degradation in vitro
体外降解
1.
In this paper,the effect of polymerization condition on intrinsic viscosity( η ) of polydioxanone and conversion for the polymerization of dioxanone was investigated, and the hydrolytic degradation in vitro of polydioxanone suture was studied.
研究了合成条件对聚对二氧杂环己酮特性粘度和转化率的影响,及其由聚合物制作的缝线的体外降解性能。
4)  in vitro degradation
体外降解
1.
Study on the in vitro degradation of poly(propylene fumarate)/(calcium sulfate/β-tricalcium phosphate) biocomposites
聚富马酸丙二醇酯/(硫酸钙/β-磷酸三钙)生物复合材料的体外降解研究
2.
Properties of polyglycolic acid fiber in vitro degradation
聚乙交酯纤维的体外降解性能
3.
The in vitro degradation of the crosslinked composites formed by unsaturated polyphosphoester(UPPE)、N-vinyl pyrrolidone(NVP) and β-tricalcium phosphate(β-TCP) was investigated and the surface morphology of dagradation sample was imaged by scanning electron microscopy(SEM).
研究了不饱和聚磷酸酯(UPPE)、N-乙烯基吡咯烷酮(NVP)与β-磷酸钙(β-TCP)交联复合体系的体外降解过程,并用扫描电镜观察了降解一定时间后试样表面的形貌结构。
5)  vitro degradation
体外降解
1.
Research on in vitro degradation of β-TCP/PLLA internal fracture fixation composite material;
β-磷酸三钙/聚左旋乳酸骨折内固定材料的体外降解性能研究
6)  degradation in vivo
体内降解
补充资料:21-羟基孕甾-4-烯-3,20-二酮-21-醋酸酯
分子式:C23H32O4
分子量:372.51
CAS号:56-47-3

性质:结晶(丙酮)或针状结晶(乙醇),空气中稳定。熔点154-160℃(159-161℃),高真空时升华。[α]10/D-177°(乙醇)/[α]20/D+168-176°(二噁烷)。微溶于乙醇、甲醇、丙酮、乙醚、二噁烷、植物油,不溶于水。

制备方法:暂无

用途:羟孕酮琥酯钠的中间体。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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