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(17Z)-3-β-p-tolylsulfonyloxypregna-5,17(20)-diene | 80115-47-5

中文名称
——
中文别名
——
英文名称
(17Z)-3-β-p-tolylsulfonyloxypregna-5,17(20)-diene
英文别名
3β-p-toluenesulfonoxy-(Z)-pregna-5,17(20)-diene;(Z)-pregna-5,17(20)-dien-3β-yl toluene-p-sulfonate;3β-toluene-p-sulfonoxy-(Z)-pregna-5,17(20)-diene;(Z)-pregna-5,17(20)-dien-3β-ol p-toluenesulfonate;[(3S,8S,9S,10R,13S,14S,17Z)-17-ethylidene-10,13-dimethyl-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-yl] 4-methylbenzenesulfonate
(17Z)-3-β-p-tolylsulfonyloxypregna-5,17(20)-diene化学式
CAS
80115-47-5
化学式
C28H38O3S
mdl
——
分子量
454.674
InChiKey
VVRISRGEDKGUGL-IRGOEHSOSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    6.9
  • 重原子数:
    32
  • 可旋转键数:
    3
  • 环数:
    5.0
  • sp3杂化的碳原子比例:
    0.64
  • 拓扑面积:
    51.8
  • 氢给体数:
    0
  • 氢受体数:
    3

上下游信息

  • 上游原料
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

点击查看最新优质反应信息

文献信息

  • Process and intermediates for the synthesis of vitamin D.sub.3
    申请人:Hoffmann-La Roche Inc.
    公开号:US04310467A1
    公开(公告)日:1982-01-12
    The present disclosure is directed to a process and intermediates for the synthesis of Vitamin D.sub.3 metabolites such as 1,25-dihydroxycholecalciferol, 25-hydroxycholecalciferol and 24R,25-dihydroxycholecalciferol from 17-keto steroids via intermediates having the natural steroid configuration at the 20-position. These novel intermediates are prepared from 17-keto steroids by reaction with ethyltriphenylphosphonium halides followed by reaction with formaldehyde to form comounds having the natural steroid configuration at the 20-position and which are suitable substrates for the preparation of the aforementioned Vitamin D.sub.3 metabolites.
    本公开涉及一种从17-酮类固醇经过具有20-位点天然类固醇结构的中间体合成维生素D.sub.3代谢物,如1,25-二羟基胆化醇、25-羟基胆化醇和24R,25-二羟基胆化醇的过程和中间体。这些新颖的中间体通过与乙基三苯基卤化物反应,然后与甲醛反应,形成具有20-位点天然类固醇结构的化合物,适用于制备上述维生素D.sub.3代谢物。
  • Stereoselective Introduction of Steroid Side Chains at C (17) and C (20)
    作者:Andrew D. Batcho、Donald E. Berger、Stephen G. Davoust、Peter M. Wovkulich、Milan R. Uskokovi?
    DOI:10.1002/hlca.19810640546
    日期:1981.7.22
    (17) and C (20)) introduction of steroid side chains which are suitably functionalized for further elaboration is presented. The ene reaction of (17 Z)-ethylidene steroids, which are readily obtained from 17-keto steroids via a Wittig reaction, with various enophiles such as formaldehyde and acrylate esters leads to useful intermediates which contain the natural steroid configuration at C (20). Catalytic
    提出了一种简单而有效的新方法,用于高度立体选择性地(在C(17)和C(20)处)引入类固醇侧链,并适当地对其进行功能化以进行进一步的修饰。很容易通过Wittig反应从17-酮类固醇获得的(17 Z)-亚乙基类固醇与各种亲和剂如甲醛丙烯酸酯的烯反应会生成有用的中间体,该中间体在C处具有天然类固醇构型(20) 。在Δ的催化氢化16 -双键来自α-面发生在C(17),以立体特异性生成正确的配置。通过使用2-氯丙烯酸甲酯作为亲热剂,也有选择地在C(23)处引入了另一个手性中心。
  • Short-step stereoselective synthesis of 2α,3α,22-triacetoxy-23,24-dinor-5α-cholan-6-one: key intermediate for the preparation of 24-norbrassinolide, dolicholide and dolichosterone
    作者:Braja G. Hazra、Vandana S. Pore、Padmakar L. Joshi
    DOI:10.1039/p19930001819
    日期:——
    A stereoselective synthesis of 6-oxo-23,24-dinor-5α-cholan-2α,3α,22-triyl triacetate 9 was achieved in 44% overall yield in nine steps starting from 3β-hydroxyandrost-5-en-17-one 8. The important features of this synthesis are the modified Wittig reaction on the 17-oxo steroid 8 and the stereospecific generation of the chiral centre at C-20 by a resin-catalysed ene reaction on (Z)-3β, p-tolylsulfonyloxypregna-5
    从3β-hydroxyandrost-5-en-17-one开始的9个步骤中,以44%的总收率实现了6-氧代23,24-dior-5α-cholan-2α,3α,22-三乙酸三酯9的立体选择性合成。8。该合成的重要特征是在17-氧代类固醇8上进行了改进的Wittig反应,并通过在(Z)-3β上的树脂催化的烯反应,对-甲苯基磺酰氧基戊酸酯5, 17(20)-二烯11。
  • Resin catalysed ene reaction on 3β-toluene--sulfonoxy-(Z)-pregna-5,17(20)-diene : Synthesis of (20s)-6β-methoxy-3α,5-cyclo-5α-pregnane-20-carboxyaldehyde
    作者:Braja G. Hazra、P.L. Joshi、V.S. Pore
    DOI:10.1016/s0040-4039(00)97031-x
    日期:1990.1
  • Synthesis of 16-substituted 23,24-dinorcholane derivatives
    作者:R. P. Litvinovskaya、S. V. Drach、V. A. Khripach
    DOI:10.1134/s1070428006010052
    日期:2006.1
    16-Substituted 22.24-dinorcholanes with variously modified A and B rings were synthesized starting from 17-oxo steroids through 17-ethylidene derivatives via ene reaction and subsequent transformations at the Delta(16)-bond.
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