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(2RS,3RS)-2-methyl-3-<(1RS)-1,5-dimethylhexyl>cyclopentanone | 62151-32-0

中文名称
——
中文别名
——
英文名称
(2RS,3RS)-2-methyl-3-<(1RS)-1,5-dimethylhexyl>cyclopentanone
英文别名
(2R*,3R*)-2-methyl-3-<(1R*)-1,5-dimethylhexyl>cyclopentanone;(2R,3R)-2-methyl-3-[(2R)-6-methylheptan-2-yl]cyclopentan-1-one
(2RS,3RS)-2-methyl-3-<(1RS)-1,5-dimethylhexyl>cyclopentanone化学式
CAS
62151-32-0;98674-13-6;105016-35-1
化学式
C14H26O
mdl
——
分子量
210.36
InChiKey
UENLQYRSTREKIY-JHJVBQTASA-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):
    4.6
  • 重原子数:
    15
  • 可旋转键数:
    5
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.93
  • 拓扑面积:
    17.1
  • 氢给体数:
    0
  • 氢受体数:
    1

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

  • 作为反应物:
    描述:
    (2RS,3RS)-2-methyl-3-<(1RS)-1,5-dimethylhexyl>cyclopentanone 在 palladium on activated charcoal 氢氧化钾氢气L-Selectridelithium diisopropyl amide 作用下, 以 四氢呋喃吡啶甲醇乙醚N,N-二甲基甲酰胺 为溶剂, 反应 5.0h, 生成 8-p-tolylsulphonylmethyl-des-AB-cholest-8-ene
    参考文献:
    名称:
    Synthese totale et stereoselective du p.tolylsulfonylmethyl-8 des-ab-cholestene-8
    摘要:
    DOI:
    10.1016/s0040-4039(00)88101-0
  • 作为产物:
    描述:
    4-((tert-butyldimethylsilyl)oxy)-2-methylbutan-1-ol 在 palladium on activated charcoal 盐酸正丁基锂草酰氯三氟化硼乙醚氢气对甲苯磺酸二甲基亚砜三苯基膦pyridinium chlorochromate 作用下, 以 乙醇二氯甲烷 为溶剂, -78.0~25.0 ℃ 、101.33 kPa 条件下, 反应 50.5h, 生成 (2RS,3RS)-2-methyl-3-<(1RS)-1,5-dimethylhexyl>cyclopentanone
    参考文献:
    名称:
    Stereoselective Preparation of Vitamin D Precursors Using the Intramolecular Coupling of Alkynes and Cyclopropylcarbene−Chromium Complexes:  A Formal Total Synthesis of (±)-Vitamin D3
    摘要:
    The intramolecular coupling of alkynes and cyclopropylcarbene-chromium complexes has been examined. Complexes that feature a stereogenic center at the propargylic position of the alkyne-carbene tether are the focus of this paper. The reaction produces a cyclopentadienone intermediate fused to an oxygen heterocycle, which is reduced to the corresponding cyclopentenone under the reaction conditions (100 degrees C in aqueous toluene). The preexisting stereogenic center has a powerful influence on the reduction of the cyclopentadienone ring, and predominantly a single diastereomer is produced in the reaction. Reductive cleavage of the heterocyclic ring with retention of stereochemistry affords compounds featuring a stereocenter on the five-membered ring and on a side chain. Use of the above reaction processes for the synthesis of the vitamin D precursor de-ABC-cholestan-14-one is also discussed.
    DOI:
    10.1021/jo972186z
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文献信息

  • Influence de la substitution en 1 sur la stereoselectivite de l'hydrolyse de N,N diethylamino-7 dialkyl-1,6 bicyclo (3,2,0) heptene-6 ones-2 ; une nouvelle voie d'acces au controle des centres C17 et C20 de steroides
    作者:D Desmaële、J Ficini、A Guingant、Ph Kahn
    DOI:10.1016/s0040-4039(00)88100-9
    日期:1983.1
    We report on the stereocontrolled hydrolysis (5 % HCO2H) of enamines 4(R1 ≠ H) leading to keto-acids 6 and describe the synthesis of cyclopentanones 2 which can be envisioned as intermediates in the total synthesis of vitamine D3 and its metabolites.
    我们报道了导致胺酸6的烯胺4(R 1 ≠H)的立体控制水解(5%HCO 2 H),并描述了环戊酮2的合成,可以将其设想为维生素D 3和D的总合成中的中间体它的代谢产物。
  • STEREOSELECTIVE SYNTHESES OF STEROID SIDE CHAINS. EFFICIENT SYNTHESES OF (2<i>RS</i>,3<i>RS</i>)-2-METHYL-3-[(1<i>RS</i>)-1,5-DIMETHYLHEXYL]CYCLOPENTANONE AND (2<i>RS</i>)-2-[(1<i>RS</i>)-3-OXOCYCLOHEXYL]PROPANOIC ACID
    作者:Shinji Tanimori、Yoshihiko Mitani、Ryuji Honda、Akihiko Matsuo、Mitsuru Nakayama
    DOI:10.1246/cl.1986.763
    日期:1986.5.5
    The title compounds, key intermediates in the syntheses of (±)-vitamin D3 and (±)-erythro-juvabione, have been prepared in short steps using stereoselective cleavage reactions of the cyclopropane derivatives.
    标题化合物是合成(±)-维生素 D3 和(±)-赤藓酮((±)-erythro-juvabione)的关键中间体,通过环丙烷衍生物的立体选择性裂解反应在短步骤内制备得到。
  • Enantioselective construction of alicyclic bicyclo[3.1.0]hexane framework by double stereodifferentiation and its application for the synthesis of both enantiomers of vitamin D3 CD ring synthons
    作者:Mingqi He、Shinji Tanimori、Susumu Ohira、Mitsuru Nakayama
    DOI:10.1016/s0040-4020(97)00869-7
    日期:1997.9
    reaction was catalyzed by a chiral bis-oxazoline copper (l) complex 17. The absolute stereochemistry of each generated diastereomer (10f and 11f) was elucidated. Both enantiomers of the vitamin D3 CD ring synthons ((−)-21 and (+)-22) were synthesized from (−)-12 and (+)-13, respectively.
    在具有(R)-泛内酯作为手性助剂的手性不饱和α-重氮-β-酮酸酯9f的分子内环丙烷化中观察到良好的非对映选择性(85:15)。该反应由手性双-恶唑啉铜(l)配合物17催化。阐明了每种生成的非对映异构体(10f和11f)的绝对立体化学。维生素D 3 CD环合成子的两种对映体((-)- 21和(+)- 22)分别由(-)- 12和(+)- 13合成。
  • A novel stereoselective synthesis of a chiral key intermediate for the preparation of vitamin D3
    作者:Susumi Hatakeyama、Hirotoshi Numata、Seiichi Takano
    DOI:10.1016/s0040-4039(01)91090-1
    日期:1984.1
    The cyclopentanone 3a, a key intermediate in the synthesis of vitamin D3 and its metabolites, has been prepared in optical active form using(S)-γ-trityloxymethyl-γ-butyrolactone (6) as a chiral building block.
    环戊酮3a是维生素D 3及其代谢产物合成中的关键中间体,已使用(S)-γ-三苯甲氧基甲基-γ-丁内酯(6)作为手性结构单元以旋光活性形式制备。
  • An approach to the stereocontrolled creation of an acyclic side chain of some natural products
    作者:Barry M. Trost、Douglas F. Taber、Joseph B. Alper
    DOI:10.1016/0040-4039(76)80166-9
    日期:1976.10
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