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(2S,3S)-3-(tert-butyldimethylsilyloxy)-2-methylpentanal | 274263-48-8

中文名称
——
中文别名
——
英文名称
(2S,3S)-3-(tert-butyldimethylsilyloxy)-2-methylpentanal
英文别名
(2S,3S)-3-[tert-butyl(dimethyl)silyl]oxy-2-methylpentanal
(2S,3S)-3-(tert-butyldimethylsilyloxy)-2-methylpentanal化学式
CAS
274263-48-8
化学式
C12H26O2Si
mdl
——
分子量
230.423
InChiKey
SXHWKIAHBBABIA-MNOVXSKESA-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):
    3.62
  • 重原子数:
    15
  • 可旋转键数:
    6
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.92
  • 拓扑面积:
    26.3
  • 氢给体数:
    0
  • 氢受体数:
    2

上下游信息

  • 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

  • Functional Characterization of a Dehydratase Domain from the Pikromycin Polyketide Synthase
    作者:Yang Li、Greg J. Dodge、William D. Fiers、Robert A. Fecik、Janet L. Smith、Courtney C. Aldrich
    DOI:10.1021/jacs.5b02325
    日期:2015.6.10
    Metabolic engineering of polyketide synthase (PKS) pathways represents a promising approach to natural products discovery. The dehydratase (DH) domains of PKSs, which generate an alpha,beta-unsaturated bond through a dehydration reaction, have been poorly studied compared with other domains, likely because of the simple nature of the chemical reaction they catalyze and the lack of a convenient assay to measure substrate turnover. Herein we report the first steady-state kinetic analysis of a PKS DH domain employing LC MS/MS analysis for product quantitation. PikDH2 was selected as a model DH domain. Its substrate specificity and mechanism were interrogated with a systematic series of synthetic triketide substrates containing a nonhydrolyzable thioether linkage as well as by site-directed mutagenesis, evaluation of the pH dependence of the catalytic efficiency (V-max/K-M), and kinetic characterization of a mechanism-based inhibitor. These studies revealed that PikDH2 converts D-alcohol substrates to trans-olefin products. The reaction is reversible with equilibrium constants ranging from 1.2 to 2. Moreover, the enzyme activity is robust, and PikDH2 was used on a preparative scale for the chemoenzymatic synthesis of unsaturated triketide products. PikDH2 was shown to possess remarkably strict substrate specificity and is unable to turn over substrates that are epimeric at the beta-, gamma-, or delta-position. We also demonstrated that PikDH2 has a key ionizable group with a pK(a) of 7.0 and can be irreversibly inactivated through covalent modification by a mechanism-based inhibitor, which provides a foundation for future structural studies to elucidate substrate protein interactions.
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