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吡咯并[1,2-a]氮杂-5-酮 | 42793-20-4

中文名称
吡咯并[1,2-a]氮杂-5-酮
中文别名
——
英文名称
5H-Pyrrolo<1,2-a>-azepin-5-on
英文别名
4H-3a-azoniaazulen-4-one;pyrrolo[1,2-a]azepin-5-one;Agn-PC-0NE5V1;pyrrolo[1,2-a]azepin-5-one
吡咯并[1,2-a]氮杂-5-酮化学式
CAS
42793-20-4
化学式
C9H7NO
mdl
——
分子量
145.161
InChiKey
HYYOGUONRBRYJQ-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:
    211.9±23.0 °C(Predicted)
  • 密度:
    1.13±0.1 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    1.6
  • 重原子数:
    11
  • 可旋转键数:
    0
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.0
  • 拓扑面积:
    22
  • 氢给体数:
    0
  • 氢受体数:
    1

反应信息

  • 作为反应物:
    描述:
    吡咯并[1,2-a]氮杂-5-酮 在 palladium on activated charcoal 氢气 作用下, 以 乙醚 为溶剂, 生成 5,6,7,8-Tetrahydro-6-methyl-5,8-ethano-4H-3a-azaazulen-4-on
    参考文献:
    名称:
    Flitsch, Wilhelm; Gesing, Ernst Rudolf F., Chemische Berichte, 1981, vol. 114, # 9, p. 3146 - 3153
    摘要:
    DOI:
  • 作为产物:
    描述:
    (E)-3-(1H-pyrrol-2-yl)acrylaldehyde哌啶溶剂黄146 作用下, 以 甲苯 为溶剂, 反应 3.0h, 生成 吡咯并[1,2-a]氮杂-5-酮
    参考文献:
    名称:
    Synthesis of pyrrolizin-3-ones by flash vacuum pyrolysis of pyrrol-2-ylmethylidene Meldrum’s acid derivatives and 3-(pyrrol-2-yl)propenoic esters
    摘要:
    具有1-、5-、6-或7-位取代基的单取代吡咯并吡嗪-3-酮1通过适当的美尔格酸衍生物2的闪蒸真空热解(FVP)以极佳产率制备。其机理涉及吡咯-2-亚甲基烯酮29的形成,该物质也可通过3-(吡咯-2-基)丙烯酸酯(例如30)的热解生成。这条替代路线已被用于以极佳产率制备一系列2-取代吡咯并吡嗪-3-酮。由于易于脱羧转化为吡咯并吡嗪酮1,3-氧代-3H-吡咯并吡嗪-2-羧酸42无法通过此方法制备,而扩展到制备氮杂蒽酮48的尝试再次失败。
    DOI:
    10.1039/a701749i
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文献信息

  • Rearrangement of 5-Substituted 5-Aminopentadienals
    作者:Fabian Fischer、Daniel Berger、Markus Neuenschwander
    DOI:10.1002/(sici)1521-3773(19980817)37:15<2138::aid-anie2138>3.0.co;2-5
    日期:1998.8.17
    Strong nucleophiles are needed for inducing ring opening 3→4 since the pyrylium salt intermediates 3, formed from 5-X-substituted 5-aminopenta-2,4-dienals 2 upon treatment with acid, are quite unreactive due to "aromatic" stabilization. However, this allows an easy access to a variety of 2-aminopyrylium salts 3 from "push-pull" enynes 1. X=OAc, F, Cl, Br, I, OPh.
    诱导开环3→4需要强亲核试剂,因为由5-X-取代的5-氨基戊-2,4-二烯2经酸处理形成的吡喃鎓盐中间体3由于“芳族”稳定作用而几乎没有反应性。然而,这允许容易地从“推挽”烯炔1获得各种2-氨基吡啶鎓盐3。X = OAc,F,Cl,Br,I,OPh。
  • Tricarbonyl-iron(0) complexes of 3a-azoniaazulenes
    作者:Wilhelm Flitsch、Ernst Rudolf F. Gesing
    DOI:10.1016/s0022-328x(00)81010-4
    日期:1981.10
  • Die Aminopentadienal-Umlagerung
    作者:Fabian Fischer、Markus Neuenschwander
    DOI:10.1002/(sici)1522-2675(19981216)81:12<2282::aid-hlca2282>3.0.co;2-m
    日期:1998.12.16
    Contrary to the rearrangement of 3-amino-3-X-propenals, which easily gives 3-X-propenamides at Io cv temperature, the postulated rearrangement (Scheme I) of the vinylogous 5-amino-5-X-pentadienals 2 normally stops at the level of (2H-pyran-2-ylidene)ammonium salts 4. The main reason is that salts of type 4 are highly delocalized low-energy. charged species which makes addition 4-5 of weak nucleophiles difficult. In this paper, the first examples of the so-called 'aminopentadienal' rearrangement art: reported. Ring-opening 4 - 6 is facilitated by nucleophilic counter ions like X = PhO (see Scheme 4) or by adding an excess of 'nucleophilic auxiliaries' such as Et3N or EtOH (see Scheme). In a quite interesting sequence of steps, 5-phenoxy-5-(pyrrol-1-yl)penta-2,4-dienal (2g; X=PhO) is easily transformed into 5H-pyrrolo[1,2-a]azepin-5-one (9) (Scheme 5).
  • Flitsch, Wilhelm; Gesing, Ernst Rudolf F., Chemische Berichte, 1983, vol. 116, # 3, p. 1174 - 1182
    作者:Flitsch, Wilhelm、Gesing, Ernst Rudolf F.
    DOI:——
    日期:——
  • FLITSCH W.; GESING E. R., TETRAHEDRON LETT., 1979, NO 47, 4529-4532
    作者:FLITSCH W.、 GESING E. R.
    DOI:——
    日期:——
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