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3,4-dihydro-3-(1,1-dimethylethyl)-1H-2-benzopyran-1-one

中文名称
——
中文别名
——
英文名称
3,4-dihydro-3-(1,1-dimethylethyl)-1H-2-benzopyran-1-one
英文别名
3-tert-butylisochroman-1-one;3-Tert-butyl-3,4-dihydroisochromen-1-one
3,4-dihydro-3-(1,1-dimethylethyl)-1H-2-benzopyran-1-one化学式
CAS
——
化学式
C13H16O2
mdl
——
分子量
204.269
InChiKey
WYKRFAWMEIQHOO-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

计算性质

  • 辛醇/水分配系数(LogP):
    3.6
  • 重原子数:
    15
  • 可旋转键数:
    1
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.46
  • 拓扑面积:
    26.3
  • 氢给体数:
    0
  • 氢受体数:
    2

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

反应信息

  • 作为产物:
    描述:
    参考文献:
    名称:
    邻苯二酚的还原亲电取代和扩环成异色满衍生物
    摘要:
    在催化量的萘的存在下,邻苯二甲酸1a与锂金属的还原裂解导致形成稳定的芳族二锂化合物。后者与CO 2,醛或酮的加成物闭环成异色满衍生物,导致原始杂环的扩环。还原亲电取代程序已成功地扩展到取代的酞菁1b和1c,以令人满意的产率提供了相应的异色满-3one。
    DOI:
    10.1016/0040-4039(95)01692-b
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文献信息

  • Synthesis and application of benzyl-TMS derivatives as bench stable benzyl anion equivalents
    作者:Manas Das、Donal F. O'Shea
    DOI:10.1016/j.tet.2013.05.078
    日期:2013.8
    derivatives are bench stable reagents yet can serve as benzyl anion equivalents under mild reaction conditions. Following activation with fluoride they can successfully participate in a wide range of additions to both non-enolizable and enolizable carbonyls. In addition, their use in the synthesis of isochromanones and trifluoromethylated amines is illustrated. The broad synthetic scope and mild practical
    使用丁基/ KO甲苯的区域选择性属化苄吨BU / TMP(H)(LINK属化条件),并且随后转移属化于Si通过与反应的TMSCl为取代benzyltrimethylsilanes的合成的一般单罐方法。ArCH 2 Si(Me)3衍生物是实验室稳定的试剂,但可以在温和的反应条件下用作苄基阴离子当量。用化物活化后,它们可以成功地参与不可烯醇化和可烯醇化羰基的多种加成。另外,还说明了它们在异色酮和三甲基化胺的合成中的用途。ArCH 2 Si(Me)3的广泛合成范围和温和的实际使用条件 试剂证明了其作为苄基阴离子当量的一般潜力。
  • 3,4-Dihydroisocoumarins from α-Bromo-o-tolunitrile and Ketones or Aldehydes
    作者:Takahiro Kanda、Shinzi Kato、Takushi Sugino、Nobuaki Kambe、Akiya Ogawa、Noboru Sonoda
    DOI:10.1055/s-1995-4065
    日期:1995.9
    o-Cyanobenzyllithium (3) was efficiently generated by lithium-tellurium exchange of the corresponding benzylic telluride 2 prepared in situ from lithium butanetellurolate and α-bromo-o-tolunitrile (1). Reaction of ketones or aldehydes with 3 afford substituted 2-hydroxyethylbenzonitriles 4 in high yields. The subsequent acid-catalyzed lactonization gave 3-substituted 3,4-dihydroisocoumarins 5 in good yields. All these successive reactions could be performed in the same reaction flask without isolation of intermediates.
    通过交换反应,从丁基和α-甲苯腈(1)原位合成的苄位化物(2)高效生成了邻苄基(3)。酮或醛与(3)反应,以高产率得到取代的2-羟基乙基苯甲腈(4)。随后的酸催化内酯化反应以良好产率得到3-取代的3,4-二氢异香豆素(5)。所有这些连续反应都可以在同一个反应瓶中进行,无需分离中间体。
  • Chromium/Photoredox Dual Catalyzed Synthesis of <i>α</i> ‐Benzylic Alcohols, Isochromanones, 1,2‐Oxy Alcohols and 1,2‐Thio Alcohols
    作者:Subhabrata Dutta、Johannes E. Erchinger、Felix Schäfers、Ankita Das、Constantin G. Daniliuc、Frank Glorius
    DOI:10.1002/anie.202212136
    日期:2022.12.5
    The synthesis of α-benzylic alcohols, functionalized isochromanones, 1,2-oxy alcohols and 1,2-thio alcohols has been successfully achieved by employing a dual catalytic method combining chromium chemistry and photoredox catalysis. This presents a methodology under mild conditions with high functional group tolerance.
    通过采用结合化学和光氧化还原催化的双重催化方法,成功合成了α-苄醇、官能化异色满酮、1,2-羟基醇和 1,2-醇。这提出了一种在温和条件下具有高官能团耐受性的方法。
  • Electron-Transfer-Induced Reductive Cleavage of Phthalans:  Reactivity and Synthetic Applications
    作者:Ugo Azzena、Salvatore Demartis、Giovanni Melloni
    DOI:10.1021/jo9604548
    日期:1996.1.1
    The behavior of phthalan (1a) was investigated under conditions of electron transfer from alkali metals in aprotic solvents. Reaction with lithium in the presence of a catalytic amount of naphthalene in THF led to the reductive cleavage of an arylmethyl carbon-oxygen bond, with formation of a stable dilithium compound. Trapping of this intermediate with several electrophiles (alkyl halides, carbonyl derivatives, CO2) was successful. The extension of this procedure to several substituted phthalans (1b-i) was investigated, and the regiochemistry as well as the synthetic usefulness of these reactions are discussed.
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