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tert-butyl (6R,7S,8S,12Z,15S,16E)-15-[tert-butyl(dimethyl)silyl]oxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)-3,5-dioxo-7-(2,2,2-trichloroethoxycarbonyloxy)heptadeca-12,16-dienoate | 241129-36-2

中文名称
——
中文别名
——
英文名称
tert-butyl (6R,7S,8S,12Z,15S,16E)-15-[tert-butyl(dimethyl)silyl]oxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)-3,5-dioxo-7-(2,2,2-trichloroethoxycarbonyloxy)heptadeca-12,16-dienoate
英文别名
——
tert-butyl (6R,7S,8S,12Z,15S,16E)-15-[tert-butyl(dimethyl)silyl]oxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)-3,5-dioxo-7-(2,2,2-trichloroethoxycarbonyloxy)heptadeca-12,16-dienoate化学式
CAS
241129-36-2
化学式
C40H64Cl3NO8SSi
mdl
——
分子量
853.461
InChiKey
ANNGLJUCCSOJTR-RHFUMNPSSA-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):
    11.81
  • 重原子数:
    54
  • 可旋转键数:
    24
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.72
  • 拓扑面积:
    146
  • 氢给体数:
    0
  • 氢受体数:
    10

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
  • 下游产品
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

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文献信息

  • New Chemical Synthesis of the Promising Cancer Chemotherapeutic Agent 12,13-Desoxyepothilone B: Discovery of a Surprising Long-Range Effect on the Diastereoselectivity of an Aldol Condensation
    作者:Christina R. Harris、Scott D. Kuduk、Aaron Balog、Ken Savin、Peter W. Glunz、Samuel J. Danishefsky
    DOI:10.1021/ja991189l
    日期:1999.8.1
    The epothilones are naturally occurring cytotoxic molecules that possess the remarkable ability to arrest cell division through the stabilization of microtubule assemblies. Our in vivo studies with 12,13-desoxyepothilone B (dEpoB), have established that the desoxy compound is well tolerated and virtually curative against a variety of sensitive and resistant xenograft tumors in animal models. In light of these discoveries, we sought a chemical synthesis of dEpoB that would be able to support a serious and substantial discovery research program directed toward the clinical development of this molecule. The overall strategy for this endeavor assumed the ability to synthesize dEpoB from three constructs which include an achiral beta,delta-diketo ester construct A, an (S)-2-methylpentenal moiety B, and the thiazoyl-containing vinyl iodide moiety C. We envisioned that a diastereoselective aldol condensation between an achiral C5-C6 (Z)-metalloenolate derived from construct A and an (S)-2-methylalkanal fragment, B, would generate the desired C6-C7 bond. Second, a B-alkyl Suzuki coupling between the vinyl iodide construct C and an alkyl borane would form the C11-C12 bond. Finally, a late-stage reduction of the C3 ketone to the requisite C3 alcohol with high asymmetric induction would permit us to introduce the beta,delta-diketo ester fragment A, into the synthesis as a readily accessible achiral building block. The governing concepts for our new synthesis are described herein.
  • A Novel Aldol Condensation with 2-Methyl-4-pentenal and Its Application to an Improved Total Synthesis of Epothilone B
    作者:Aaron Balog、Christina Harris、Kenneth Savin、Xiu-Guo Zhang、Ting-Chao Chou、Samuel J. Danishefsky
    DOI:10.1002/(sici)1521-3773(19981016)37:19<2675::aid-anie2675>3.0.co;2-o
    日期:1998.10.16
    responsible for the high diastereoface selectivity of the aldol reaction. This key step in the highly concise total synthesis of epothilone B is followed by a Suzuki coupling to introduce the thiazole domain, a Noyori reduction to control the stereochemistry at C3, and a final macrolactonization (see reaction scheme). X=protecting group.
    通过1的双键和2的羰基之间的良好相互作用来稳定过渡态似乎是醛醇缩醛反应的高非对映体选择性的原因。高度精确的埃博霉素B合成的关键步骤是进行铃木偶联以引入噻唑结构域,Noyori还原以控制C3的立体化学,以及最终的大内酯化(参见反应方案)。X =保护基。
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