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4-nitrobenzyl 2-(bromomethyl)-3,5-bis[(tert-butyl)dimethylsilyloxy]-6-methylbenzoate | 147214-70-8

中文名称
——
中文别名
——
英文名称
4-nitrobenzyl 2-(bromomethyl)-3,5-bis[(tert-butyl)dimethylsilyloxy]-6-methylbenzoate
英文别名
p-nitrobenzyl 3,5-bis(tert-butyldimethylsilyloxy)-α-bromo-2,6-xylate;(4-Nitrophenyl)methyl 2-(bromomethyl)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-6-methylbenzoate
4-nitrobenzyl 2-(bromomethyl)-3,5-bis[(tert-butyl)dimethylsilyloxy]-6-methylbenzoate化学式
CAS
147214-70-8
化学式
C28H42BrNO6Si2
mdl
——
分子量
624.72
InChiKey
QAZDGQOWCLQRQQ-UHFFFAOYSA-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

物化性质

  • 沸点:
    596.5±50.0 °C(Predicted)
  • 密度:
    1.178±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    8.92
  • 重原子数:
    38
  • 可旋转键数:
    11
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.54
  • 拓扑面积:
    90.6
  • 氢给体数:
    0
  • 氢受体数:
    6

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 Antibacterial Agents Derived from the DNA Gyrase Inhibitor Cyclothialidine
    作者:Peter Angehrn、Stefan Buchmann、Christoph Funk、Erwin Goetschi、Hans Gmuender、Paul Hebeisen、Dirk Kostrewa、Helmut Link、Thomas Luebbers、Raffaello Masciadri、Joergen Nielsen、Peter Reindl、Fabienne Ricklin、Anne Schmitt-Hoffmann、Frank-Peter Theil
    DOI:10.1021/jm0310232
    日期:2004.3.1
    Cyclothialidine (1, Ro 09-1437) is a potent DNA gyrase inhibitor that was isolated from Streptomyces filipinensis NR0484 and is a member of a new family of natural products. It acts by competitively inhibiting the ATPase activity exerted by the B subunit of DNA gyrase but barely exhibits any growth inhibitory activity against intact bacterial cells, presumably due to insufficient permeation of the cytoplasmic membrane. To explore the antibacterial potential of 1, we developed a flexible synthetic route allowing for the systematic modification of its structure. From a first set of analogues, structure-activity relationships (SAR) were established for different substitution patterns, and the 14-hydroxylated, bicyclic core (X) of 1 seemed to be the structural prerequisite for DNA gyrase inhibitory activity. The variation of the lactone ring size, however, revealed that activity can be found among 11- to 16-membered lactones, and even seco-analogues were shown to maintain some enzyme inhibitory properties, thereby reducing the minimal structural requirements to a rather simple, hydroxylated benzyl sulfide (XI). On the basis of these "minimal structures" a modification program afforded a number of inhibitors that showed in vitro activity against Gram-positive bacteria. The best activities were displayed by 14-membered lactones, and representatives of this subclass exhibit excellent and broad in vitro antibacterial activity against Gram-positive pathogens, including Staphylococcus aureus, Streptococcus pyogenes, and Enterococcus faecalis, and overcome resistance against clinically used drugs. By improving the pharmacokinetic properties of the most active compounds (94, 97), in particular by lowering their lipophilic properties, we were able to identify congeners of cyclothialidine (1) that showed efficacy in vivo.
  • Total Synthesis of Cyclothialidine
    作者:Erwin Götschi、Christian-Johannes Jenny、Peter Reindl、Fabienne Ricklin
    DOI:10.1002/hlca.19960790816
    日期:1996.12.11
    ester derivative 25 thereof and its subsequent coupling with Boc-Ser-Cys-OMe (11); cyclization of the ω-hydroxy acid 2929 to the 12-membered lactone 30 using preferably Mitsunobu conditions; completion of the peptidic side chains of 1 using Boc strategy (Scheme 4). Optically pure cis-N-(tert-butoxycarbonyl)-3-hydroxy-L-proline (()-14) was obtained by resolution of the racemate via an efficient reaction
    描述了从硫链霉菌分离出的一种新的DNA促旋酶抑制剂cyclothialidine(1)的总合成。通过制备内酯13(方案2)来测试合成的概念,该内酯13包含特征性双环核心实体1。合成1的关键特征是:通过两个连续的曼尼希氨基甲基化/氢化序列,由3,5-二羟基苯甲酸(19)制备3,5-二羟基-2,6-二甲基苯甲酸(23);酯衍生物的苄基N-溴琥珀酰亚胺溴化25其及其随后与Boc-Ser-Cys-OMe的偶联(11);使用优选的Mitsunobu条件将ω-羟基酸29 29环化为12元内酯30;的肽侧链的完成1使用Boc策略(路线4)。通过外消旋物通过含有脂肪酶催化的对映体特异性乙酸酯水解的有效反应序列拆分,得到旋光纯的顺式-N-(叔丁氧基羰基)-3-羟基-L-脯氨酸((-)- 14)(方案3) 。自然结构1通过与合成材料比较确认。描述的合成路线还提供方便的类似物1,例如经由中间30。
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