摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词

(E)-17-(isocyanotosylmethylene)androsta-1,4-dien-3-one | 93206-71-4

中文名称
——
中文别名
——
英文名称
(E)-17-(isocyanotosylmethylene)androsta-1,4-dien-3-one
英文别名
——
(E)-17-(isocyanotosylmethylene)androsta-1,4-dien-3-one化学式
CAS
93206-71-4
化学式
C28H31NO3S
mdl
——
分子量
461.625
InChiKey
YYMFGRIWBAPRLG-TYPDFLHWSA-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):
    None
  • 重原子数:
    None
  • 可旋转键数:
    None
  • 环数:
    None
  • sp3杂化的碳原子比例:
    None
  • 拓扑面积:
    None
  • 氢给体数:
    None
  • 氢受体数:
    None

反应信息

  • 作为反应物:
    描述:
    (E)-17-(isocyanotosylmethylene)androsta-1,4-dien-3-one盐酸sodium hydroxide苄基三乙基氯化铵 作用下, 以 乙醚二氯甲烷 为溶剂, 反应 1.03h, 生成 21-(benzyloxy)pregna-1,4,16-triene-3,20-dione
    参考文献:
    名称:
    20-氧代甾族化合物的合成
    摘要:
    通过17- [异氰基(磺酰基)亚甲基] Androstanes 1-3的C-20烷基化反应,描述了18个16-脱氢-20-异氰基20-磺酰基孕烯的合成(5和8-14)。通过酸水解将C-20上的双异氰酸酯基和磺酰基基团(化合物5、8–14)除去,以提供新的进入20-氧代类固醇的能力(6、15–19)。C-20烷基化还包括卤甲基化和烷氧基甲基化,以分别形成21-卤-和21-烷氧基-16-脱氢-20-氧杂戊烷。作为酸水解的一种有吸引力的替代方法,首先用Pb(OAc)4氧化异氰基水解成异氰酸酯基之前(双异氰酸酯基和磺酰基基团)水解成相同的20-氧代甾族化合物 后一种转化是在室温下在非酸性条件下在氧化铝在二氯甲烷中的浆液中进行的。
    DOI:
    10.1002/recl.19921111102
  • 作为产物:
    参考文献:
    名称:
    Leusen, Daan van; Leusen, Albert M. van, Recueil des Travaux Chimiques des Pays-Bas, 1991, vol. 110, # 10, p. 393 - 401
    摘要:
    DOI:
点击查看最新优质反应信息

文献信息

  • 17-(Isocyano-sulfonylmethylene)-steroids, 17-(formamido-sulfonylmethylene)-steroids and their preparation
    申请人:GIST-BROCADES N.V.
    公开号:EP0123734A1
    公开(公告)日:1984-11-07
    The invention relates to 17-(isocyano-sulfonyl- methylene)-steroids and a process for the preparation of these compounds. Furthermore the invention relates to 17-(formamido-sulfonylmethylene)-steroids, which compounds are, intermediates in the preparation of the 17-(isocyano- sulfonylmethylene)-steroids, and a process for the preparation of these compounds.
    本发明涉及 17-(异基磺酰亚甲基)类固醇和制备这些化合物的工艺。此外,本发明还涉及 17-(甲酰胺基磺酰亚甲基)类固醇,该化合物是制备 17-(异基磺酰亚甲基)类固醇的中间体,以及制备这些化合物的工艺。
  • New process for the preparation of 21-hydroxy-20-keto-delta 16-steroids and new intermediate compounds formed in this process
    申请人:GIST-BROCADES N.V.
    公开号:EP0123736A1
    公开(公告)日:1984-11-07
    The invention relates to a new process for the preparation of 21-hydroxy-20-keto-steroids from 17-isocyano-sulfonylmethylene-steroids whereby simultaneously an unsaturated bond is introduced between C16 and C17. Furthermore, the invention relates to new intermediate compounds formed in this process and their preparation.
    本发明涉及一种从 17-异基磺酰亚甲基类固醇制备 21-羟基-20-酮类固醇的新工艺,在该工艺中,同时在 C16 和 C17 之间引入不饱和键。此外,本发明还涉及在该工艺中形成的新中间化合物及其制备方法。
  • A novel method to build acetyl and hydroxyacetyl side-chains in 17-oxosteroids
    作者:Daan van Leusen、Albert M. van Leusen
    DOI:10.1016/s0040-4039(01)81236-3
    日期:1984.1
  • Synthesis of 17-(2-Methoxy-3-oxazolin-4-yl)-, 17-(3-Oxazolin-4-yl)-, and 17-(2-Oxazolin-4-ylidene) Substituted Steroids and Their Use as Precursors of Corticosteroids
    作者:Daan van Leusen、Jacobus N. M. Batist、Jia Lei、Erik van Echten、Antoon C. Brouwer、Albert M. van Leusen
    DOI:10.1021/jo00098a024
    日期:1994.9
    17-(Isocyanotosylmethylene)steroids 4 are useful intermediates in the conversion of 17-oxosteroids into 17-(hydroxyacetyl)steroids. The 21-CH2OH group is effectively introduced by a base-mediated reaction of compounds 4 with formaldehyde and MeOH to give 17-(2-methoxy-3-oxazolin-4-yl) derivatives 12, which by acid hydrolysis give 17-(hydroxyacetyl)steroids 10 and 16 in high yields. Partial hydrolysis of the same oxazoline derivatives 12 provides the 17-(hydroxyacetyl) cortico side chain of 13 equipped with a formyl-protected hydroxy group. 3-Oxazolinyl and 2-oxazolinylidene steroid derivatives 19, 20, and 21, without a 2-methoxy substituent, are discussed as alternatives of 12.
  • New process for the preparation of 20-keto-delta16-steroids and new intermediate compounds formed in this process
    申请人:GIST-BROCADES N.V.
    公开号:EP0127217B1
    公开(公告)日:1988-11-02
查看更多