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methyl 18-hydroxy-2β,16β-cur-19-en-17-oate | 55968-99-5

中文名称
——
中文别名
——
英文名称
methyl 18-hydroxy-2β,16β-cur-19-en-17-oate
英文别名
Methyl (19E)-18-hydroxy-19,20-didehydro-17-curanoate;18-hydroxy-cur-19-en-17-oic acid methyl ester;Methyl 18-Hydroxy-2β,16α-cur-19-en-17-oat;methyl (1S,9S,10R,11R,12E,17S)-12-(2-hydroxyethylidene)-8,14-diazapentacyclo[9.5.2.01,9.02,7.014,17]octadeca-2,4,6-triene-10-carboxylate
methyl 18-hydroxy-2β,16β-cur-19-en-17-oate化学式
CAS
55968-99-5
化学式
C20H24N2O3
mdl
——
分子量
340.422
InChiKey
VKBJWCYTAAIDMB-CLWBJAJVSA-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):
    1.1
  • 重原子数:
    25
  • 可旋转键数:
    3
  • 环数:
    5.0
  • sp3杂化的碳原子比例:
    0.55
  • 拓扑面积:
    61.8
  • 氢给体数:
    2
  • 氢受体数:
    5

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
    • 1
    • 2
  • 下游产品
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

点击查看最新优质反应信息

文献信息

  • Total Synthesis of (−)-Strychnine via the Wieland-Gumlich Aldehyde
    作者:Daniel Solé、Josep Bonjoch、Silvina García-Rubio、Emma Peidró、Joan Bosch
    DOI:10.1002/(sici)1521-3773(19990201)38:3<395::aid-anie395>3.0.co;2-5
    日期:1999.2.1
    Fifteen steps suffice for an enantioselective total synthesis of (-)-strychnine (1) from 1,3-cyclohexanedione. The key steps are the easy generation of the enantiopure intermediate 2, the closure of the piperidine ring by a reductive Heck reaction, and the elaboration of the indoline nucleus in an advanced synthetic stage. TBDMS=tert-butyldimethylsilyl.
    从1,3-环己二酮对映体选择性合成15个步骤就足够了。关键步骤是易于生成对映纯中间体2,通过还原性Heck反应闭合哌啶环,以及在高级合成阶段精制二氢吲哚核。TBDMS =叔丁基二甲基甲硅烷基。
  • Asymmetric Total Syntheses of (-)- and (+)-Strychnine and the Wieland-Gumlich Aldehyde
    作者:Steven D. Knight、Larry E. Overman、Garry Pairaudeau
    DOI:10.1021/ja00126a017
    日期:1995.5
    The first asymmetric total syntheses of (-)-strychnine, ent-strychnine, and the Wieland-Gumlich aldehyde are described with full experimental details. The total synthesis of (-)-strychnine was realized in 24 steps and 3% overall yield from (1R,4S)-(+)-4-hydroxy-2-cyclopentenyl acetate (28). This synthesis fully controls the six stereogenic centers and forms the C(20) double bond of (-)-strychnine with high diastereoselection (>20:1). In the first stage of the synthesis, the (R)-cyclopentenylstannane 8 is prepared in nine steps and 30% overall yield (40% with one recycle of 38) as summarized in Scheme 4. Palladium-catalyzed carbonylative coupling of 8 with the 2-iodoaniline derivative 7 provides enone 6, which is converted to the 2-azabicyclo[3.2.1]octane 5 in seven additional steps. This latter sequence proceeds in 36% overall yield (Scheme 6). The central step of the total synthesis is aza-Cope-Mannich rearrangement of 5 which proceeds in 98% yield to form the pentacyclic intermediate 4 (Scheme 7). In five additional steps 4 is converted to the Wieland-Gumlich aldehyde 2, which is the ultimate precursor of (-)strychnine. A slight modification of this synthesis strategy allowed ent-strychnine to be prepared and provided the first samples of this unnatural enantiomer for pharmacological studies (Scheme 8). The efficiency and conciseness of this synthesis provide an important benchmark of the power of the aza-Cope rearrangement-Mannich reaction to solve formidable problems in alkaloid construction.
  • Enantioselective Total Synthesis of Wieland-Gumlich Aldehyde and (−)-Strychnine
    作者:Daniel Solé、Josep Bonjoch、Silvina García-Rubio、Emma Peidró、Joan Bosch
    DOI:10.1002/(sici)1521-3765(20000218)6:4<655::aid-chem655>3.0.co;2-6
    日期:2000.2.18
    A total synthesis of (-)-strychnine in 15 steps from 1,3-cyclohexanedione in 0.15% overall yield is described. The sequence followed in the assembling of rings is: E-->AE [2-(2-nitrophenyl)-1,3-cyclohexanedione]-->ACE (3a-aryloctahydroindol-4-one)-->ACDE (arylazatricyclic core)-->ABCDE (strychnan skeleton)-->ABCDEF (Wieland-Gumlich aldehyde)-->ABCDEFG (strychnine). The key steps of the synthesis are
    描述了由1,3-环己二酮以0.15%的总收率分15步合成(-)-士的宁。组装环后的顺序是:E-> AE [2-(2-硝基苯基)-1,3-环己二酮]-> ACE(3a-芳基氢化吲哚-4-酮)-> ACDE(芳基三环核心) )-> ABCDE(Strychnan骨架)-> ABCDEF(Wieland-Gumlich醛)-> ABCDEFG(Strychnine)。合成的关键步骤是3a-(2-硝基苯基)-八氢吲哚-4-酮环系统的对映选择性结构,以及通过还原性Heck环化反应生成关键中间体(-)-14闭合哌啶环。相反,路易斯酸促进的α-烷氧基炔丙基硅烷-烯酮环化没有导致合成上有用的氮杂三环ACDE中间体。
  • Synthesis applications of cationic aza-Cope rearrangements. 26. Enantioselective total synthesis of (-)-strychnine
    作者:Steven D. Knight、Larry E. Overman、Garry Pairaudeau
    DOI:10.1021/ja00073a057
    日期:1993.10
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