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3,6-di-tert-butyl-9H-fluoren-9-one | 58775-15-8

中文名称
——
中文别名
——
英文名称
3,6-di-tert-butyl-9H-fluoren-9-one
英文别名
3,6-ditert-butylfluoren-9-one
3,6-di-tert-butyl-9H-fluoren-9-one化学式
CAS
58775-15-8
化学式
C21H24O
mdl
——
分子量
292.421
InChiKey
WSEKTTAFOPSBSU-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

  • 熔点:
    209-212°C

计算性质

  • 辛醇/水分配系数(LogP):
    6.9
  • 重原子数:
    22
  • 可旋转键数:
    2
  • 环数:
    3.0
  • sp3杂化的碳原子比例:
    0.38
  • 拓扑面积:
    17.1
  • 氢给体数:
    0
  • 氢受体数:
    1

安全信息

  • 海关编码:
    2914399090

SDS

SDS:63889878c969874764dde9eb7a68c28c
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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

  • Photolysis of chloride precursors as a method to prepare and characterize the triplet state of fluorenyl-substituted m-xylylene diradicals
    作者:Joseph J. Gajewski、Gitendra C. Paul
    DOI:10.1016/s0040-4039(97)10598-6
    日期:1998.1
    Fluorenyl substituted m-xylylene triplet diradicals are conveniently generated from the corresponding dichloride precursors upon photolysis at <100 K in 2-MeTHF glass. Under similar conditions tert-butyl substituted Schlenk type m-xylylene could not be generated from the dichloride precursor 6. Compound 6, however could be dehalogenated with zinc dust in both toluene and 2-MeTHF to produce the triplet
    芴取代米的2-MeTHF玻璃-xylylene三重二基可方便地从光解时对应的二氯化的前体生成的<100 K时。在类似条件下叔丁基取代的Schlenk型米-xylylene不能从二氯化物的前体中产生6。然而,化合物6可以在甲苯和2-MeTHF中用锌粉脱卤以产生三重双自由基。
  • Metal-free oxidation of secondary benzylic alcohols using aqueous TBHP
    作者:Jianglong Wu、Yan Liu、Xiaowei Ma、Ping Liu、Chengzhi Gu、Bin Dai
    DOI:10.1080/00397911.2016.1223307
    日期:2016.11.1
    ABSTRACT We report a simple, yet efficient metal-free oxidation of secondary benzylic alcohols in the presence of t-butyl hydroperoxide (70% TBHP) with high yields of up to 98%. This type of reaction can be carried out using a wide variety of substrates, requires no other organic solvent, and proves to be tolerant toward a variety of different functional groups. GRAPHICAL ABSTRACT
    摘要 我们报告了在叔丁基过氧化氢 (70% TBHP) 存在下对仲苄醇进行简单而有效的无金属氧化,产率高达 98%。这种类型的反应可以使用多种底物进行,不需要其他有机溶剂,并且证明可以耐受各种不同的官能团。图形概要
  • Cu(II)-Catalyzed Ligand-Free Oxidation of Diarylmethanes and Second Alcohols in Water
    作者:Jianglong Wu、Yan Liu、Xiaowei Ma、Ping Liu、Chengzhi Gu、Bin Dai
    DOI:10.1002/cjoc.201700115
    日期:2017.9
    diarylmethanes were directly oxidized into diaryl ketones in 67%–98% yields. Additionally, various secondary alcohols were also transformed into the desired products in 48%–98% yields. Importantly, the catalytic system in the absence of any organic solvent, surfactant, or phase transfer agent, had a wide substrate scope and a high tolerance for various functional groups.
    我们使用70%的叔丁基氢过氧化氢(TBHP)在水中开发了一种简单,高效的Cu(II)催化的二芳基甲烷和仲醇无配体氧化的二芳基甲烷和仲醇。一系列二芳基甲烷被直接氧化为二芳基酮,产率为67%至98%。此外,各种仲醇也以48%–98%的产率转化为所需的产品。重要的是,在不存在任何有机溶剂,表面活性剂或相转移剂的情况下,催化体系具有较宽的底物范围和对各种官能团的高耐受性。
  • Construction of Partially Protected Nonsymmetrical Biaryldiols via Semipinacol Rearrangement of <i>o</i>-NQM Derived from Enynones
    作者:Feng Wu、Tairan Cheng、Shifa Zhu
    DOI:10.1021/acs.orglett.0c03717
    日期:2021.1.1
    construction of partially protected nonsymmetrical biaryldiols catalyzed by AgBF4 has been achieved. The approach facilitates the formation of two new aryl rings and the introduction of two hydroxyl groups (one free and one TBS-protected) via the o-NQM generation/semipinacol rearrangement cascade, featuring high atom- and step-economy to afford a diverse array of partially protected nonsymmetrical biaryldiols
    已经实现了由AgBF 4催化的部分保护的不对称联芳基二醇的构建。该方法通过邻-NQM生成/ semipinacol重排级联促进了两个新的芳基环的形成和两个羟基的引入(一个游离基和一个TBS保护基),具有高原子经济性和阶梯经济性,可提供多种阵列温和条件下制备部分保护的不对称联芳基二醇。
  • Structural influences impacting the role of the 9-ylidene bond in the electronic tuning of structures built upon 9-fluorenylidene scaffolds
    作者:Galen L. Eakins、Matthew W. Cooper、Nikolay N. Gerasimchuk、Terry J. Phillips、Bryan E. Breyfogle、Chad J. Stearman
    DOI:10.1139/cjc-2013-0074
    日期:2013.11

    A structure–effect study is presented pertaining to the HOMO–LUMO tuning of compounds built upon the 9-fluorenylidene scaffold frequently incorporated as a moiety within organic-based semiconducting materials. The results represent the first reported analysis employing an ensemble of spectroscopy, electrochemistry, and crystal structure data to elucidate and compare the electronic properties of 9-fluorenones, 9-fluorenylidenes, and 9-fluorenimine derivatives. The results also provide the first spectroscopically and crystallographically measured description of exciton coupling within 9,9′-bifluorenylidenes. The 9-ylidene bond is seen to play a key role impacting the electronic properties, and an examination of the effects of substituents, conjugation, heteroatoms, and steric strain on the 9-ylidene bond in a diverse set of structures with representative structural variations relevant to the HOMO–LUMO tuning is presented. Increasing conjugation decreased the HOMO–LUMO gap (HLG), increased the HOMO energy (EHOMO), but decreased the LUMO energy (ELUMO). Substituent effects were observed to produce only slight changes that tended to decrease the HLG and increase both EHOMO and ELUMO, while heteroatom inclusion at the 9-ylidine bond tended to decrease the HLG, EHOMO, ELUMO, and the extinction coefficient. In the sterically hindered 9,9′-bifluorenylidenes, increased steric strain that promoted either an increase in the torsion angle or bond length of the 9-ylidene bond was seen to decrease the HLG via exciton coupling. These results elucidate the HOMO–LUMO tuning of systems containing a 9-fluorenylidene moiety and may assist in developing materials with specifically tuned HLGs and HOMO–LUMO levels for a variety of applications.

    本文介绍了一项结构-效应研究,涉及到建立在9-芴亚甲基骨架上的化合物的HOMO-LUMO调节。该骨架经常被作为有机半导体材料中的一部分。结果是第一个使用光谱学,电化学和晶体结构数据来阐明和比较9-芴酮,9-芴亚甲基和9-芴亚胺衍生物的电子性质的分析。结果还提供了第一个获得9,9'-双芴亚甲基激子耦合的光谱和晶体学测量描述。 9-亚甲基键被看作是影响电子性质的关键因素,并且对于具有代表性的结构变化的多样化结构集合,对取代基,共轭,杂原子和立体位阻对9-亚甲基键的影响进行了研究。增加共轭减少了HOMO-LUMO间隙(HLG),增加了HOMO能量(EHOMO),但降低了LUMO能量(ELUMO)。观察到取代基效应只会产生轻微的变化,倾向于减少HLG并增加EHOMO和ELUMO,而在9-亚甲基酰胺键中包含杂原子倾向于降低HLG,EHOMO,ELUMO和消光系数。在立体位阻的9,9'-双芴亚甲基中,通过激子耦合,促进9-亚甲基键的扭转角度或键长的增加,可降低HLG。这些结果阐明了含有9-芴亚甲基基团的系统的HOMO-LUMO调节,并可能有助于开发具有特定调节HLG和HOMO-LUMO水平的材料,以用于各种应用。
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