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2-n-propyl-3-cyclopentenone | 91791-22-9

中文名称
——
中文别名
——
英文名称
2-n-propyl-3-cyclopentenone
英文别名
2-Propylcyclopent-3-en-1-one
2-n-propyl-3-cyclopentenone化学式
CAS
91791-22-9
化学式
C8H12O
mdl
——
分子量
124.183
InChiKey
SSIALWCJWDJBCD-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):
    1.9
  • 重原子数:
    9
  • 可旋转键数:
    2
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.62
  • 拓扑面积:
    17.1
  • 氢给体数:
    0
  • 氢受体数:
    1

反应信息

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文献信息

  • Cyclic ketones, their preparation and their use in the synthesis of amino acids
    申请人:——
    公开号:US20030187296A1
    公开(公告)日:2003-10-02
    A method is provided for making an enantiomerically pure of the formula: in which R and R′ represent C1?C10 alkyl, C2?C10 alkenyl or C3?C10 cycloalkyl and the wedges signify (S)- or (R)-stereochemistry, the substituents in compound (II) being trans. Conjugate addition is carried out between an organometallic nucleophile that provides a group R as defined above and (R)-4-acetoxycyclopent-2-en-1-one, (S)-4-acetoxycyclopent-2-en-1-one or a similar compound in which acetoxy is replaced by another leaving group to give, e.g. in the case of the acetoxy compound, a trans 3,4-disubstituted addition product of formula III or IV; The acetyl group is eliminated from the addition product to give an (R)- or (S)-4-alkyl or 4-alkenyl cyclopent-2-en-1-one the compound of formula is then to be hydrogenated to give a cyclopentanone of formula (I) or conjugate addition of a second organometallic nucleophile that provides a group R′ as defined above to the compound of the above formula may be carried out to give a trans 3,4-disubstituted addition product of formula (II). One of the above compounds may be converted e.g. via an intermediate (XV)-(XVIII) (in which the substituents R and R′ and the wedges have the meanings indicated above) to a gabapentin analogue of one of the formulae shown below: in which the substituents R and R′ and the wedges also have the meanings indicated above. 1 2
    提供一种制备公式的对映纯物质的方法:其中R和R′代表C1-C10烷基、C2-C10烯基或C3-C10环烷基,楔形符号表示(S)-或(R)-立体化学,化合物(II)中的取代基为反式。在有机金属亲核试剂和(R)-4-乙酰氧基环戊-2-烯-1-酮、(S)-4-乙酰氧基环戊-2-烯-1-酮或类似化合物之间进行共轭加成,其中乙酰氧基被另一个离去基取代,例如在乙酰氧基化合物的情况下,得到公式III或IV的反式3,4-二取代加成产物;从加成产物中消除乙酰基,得到(R)-或(S)-4-烷基或4-烯基环戊-2-烯-1-酮,然后将该化合物氢化,得到公式(I)的环戊酮,或者对上述公式的化合物进行第二次有机金属亲核试剂的共轭加成,得到公式(II)的反式3,4-二取代加成产物。上述化合物之一可以通过中间体(XV)-(XVIII)(其中取代基R和R′以及楔形符号具有上述所示的含义)转化为下面所示的公式之一的加巴喷丁类似物:其中取代基R和R′以及楔形符号也具有上述所示的含义。
  • TETRAHYDROTHIOPYRAN-4-ONE. A USEFUL 5 C SYNTHON FOR THE SYNTHESIS OF 3-CYCLOPENTENONES
    作者:Haruo Matsuyama、Yasuyuki Miyazawa、Yuji Takei、Michio Kobayashi
    DOI:10.1246/cl.1984.833
    日期:1984.5.5
    2-Alkyl-3-cyclopentenones were prepared in moderate yields starting from tetrahydrothiopyran-4-one by the one-pot Ramberg–Bäcklund reaction of 6-alkyl-1,4-dioxa-8-thiaspiro[4.5]decane 8,8-dioxides, followed by acid catalyzed de-dioxolanation.
    通过 6-烷基-1,4-二氧杂-8-硫杂螺[4.5]癸烷 8,8-二氧化合物的 Ramberg-Bäcklund 一锅反应,以四氢噻喃-4-酮为起点,制备了 2-烷基-3-环戊烯酮,收率适中,随后在酸催化下进行了去二氧戊环化反应。
  • MATSUYAMA, HARUO;MIYAZAWA, YASUYUKI;TAKEI, YUJI;KOBAYASHI, MICHIO, CHEM. LETT., 1984, N 5, 833-836
    作者:MATSUYAMA, HARUO、MIYAZAWA, YASUYUKI、TAKEI, YUJI、KOBAYASHI, MICHIO
    DOI:——
    日期:——
  • MATSUYAMA HARUO; MIYAZAWA YASUYUKI; TAKEI YUJI; KOBAYASHI MICHIO, J. ORG. CHEM., 52,(1987) N 9, 1703-1710
    作者:MATSUYAMA HARUO、 MIYAZAWA YASUYUKI、 TAKEI YUJI、 KOBAYASHI MICHIO
    DOI:——
    日期:——
  • CYCLIC KETONES, THEIR PREPARATION AND THEIR USE IN THE SYNTHESIS OF AMINO ACIDS
    申请人:WARNER-LAMBERT COMPANY
    公开号:EP1296921A1
    公开(公告)日:2003-04-02
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