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3-Methyl-2-heptenoesaeuremethylester | 50652-81-8

中文名称
——
中文别名
——
英文名称
3-Methyl-2-heptenoesaeuremethylester
英文别名
Methyl 3-methylhept-2-enoate
3-Methyl-2-heptenoesaeuremethylester化学式
CAS
50652-81-8
化学式
C9H16O2
mdl
——
分子量
156.225
InChiKey
HNWUSDMNZOAUQR-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):
    3.1
  • 重原子数:
    11
  • 可旋转键数:
    5
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.67
  • 拓扑面积:
    26.3
  • 氢给体数:
    0
  • 氢受体数:
    2

安全信息

  • 海关编码:
    2916190090

反应信息

  • 作为反应物:
    描述:
    3-Methyl-2-heptenoesaeuremethylesterN,N-dibenzyl-O-benzoylhydroxylamine三乙氧基硅烷 、 1,2-bis(bis(3,5-di-tertbutyl-4-methoxyphenyl)phosphino)benzene 、 copper(II) acetate monohydratecesium pivalate 作用下, 以 1,4-二氧六环 为溶剂, 反应 4.0h, 生成 、
    参考文献:
    名称:
    一种基于 umpolung 的铜催化区域选择性氢氨化 α-氨基酸方法
    摘要:
    已经开发出铜催化的丙烯酸酯与氢硅烷和羟胺的区域和立体选择性氢胺化反应,以良好的产率提供相应的 α-氨基酸。区域选择性控制的关键是使用羟胺作为反极性亲电胺化试剂。此外,明智地选择涉及 CsOPiv 碱基和远程空间位阻 DTBM-dppbz 配体的条件,能够在羰基的 α 位形成原本具有挑战性的 C-N 键。 β 位的点手性由 Xyl-BINAP 或 DTBM-SEGPHOS 手性配体成功控制,具有类似的远程空间体积。与手性助剂 (−)-8-苯基薄荷醇的组合也会诱导 α 位的立体选择性,形成具有两个相邻立体中心的光学活性非天然 α-氨基酸。
    DOI:
    10.1039/d1sc03692k
  • 作为产物:
    参考文献:
    名称:
    Lithium 3-Lithio-3-tosylalkanoates: .beta.-Acylvinyl Anion Equivalents of .beta.-Lithiated .alpha.,.beta.-Unsaturated Carboxylic Acids
    摘要:
    The dilithiation of beta-tosylated propanoic, 2-methylpropanoic, and butanoic acid 10 with n-butyllithium at -78 degrees C leads to the corresponding lithium 3-lithio-3-tosylalkanoates 11. They react with different electrophilic reagents (deuterium oxide, iodine, trimethylchlorosilane, alkyl halides, and acyl chlorides) to give the corresponding 3-substituted tosylated alkanoic acids 12. When carbonyl compounds are allowed to react with intermediates 11 followed by in situ lactonization with trifluoracetic anhydride and base-promoted elimination alpha,beta-butenolides are obtained. This methodology is applied to the direct synthesis of the rosefuran lactone precursor 14cg, the O-benzyl derivative of (+/-)-umbelactone (14ch), and (+/-)-andirolactone (14ci). The alkylation and acylation reactions of organolithium compounds 11 followed by esterification with hydrogen chloride in methanol and treatment with 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) afford alpha,beta- and/or beta,gamma-unsaturated esters 17 and/or 18 and unsaturated 4-keto esters 19, respectively. The last methodology has been applied to the synthesis of the unsaturated 4-keto ester 19ae precursor of the seco acid of (+/-)-pyrenophorin (22).
    DOI:
    10.1021/jo00090a043
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文献信息

  • The reactivity of the highly functionalized copper, zinc reagents RCu(CN)ZnI toward 1-haloalkynes and acetylenic esters
    作者:Ming Chang P. Yeh、Paul Knochel
    DOI:10.1016/s0040-4039(01)80511-6
    日期:1989.1
    The highly functionalized organometallics RCu(CN)ZnI 1 react efficiently with 1-haloalkynes providing polyfunctionalized alkynes in high yields. This method has been used to prepare a pheromone of the Amathes c-nigrum in 3 steps and 64% overall yield. The reagents 1 also add in the presence of an excess of Me3SiCl to acetylenic esters to afford polyfunctionalized C—silylated ethylenic esters. In the
    高度官能化的有机属化合物RCu(CN)ZnI 1与1-卤代炔烃有效反应,从而以高收率提供多官能团炔烃。该方法已被用于分3步制备Amathes c-igigrum的信息素,总产率为64%。试剂1还在过量的Me 3 SiCl存在下添加至炔属酯中,以提供多官能化的C-甲硅烷基化的烯属酯。在丙酸乙酯的情况下,该反应是高度立体选择性的,并提供97%纯的(E)-2-三甲基甲硅烷乙烯酯。
  • <i>anti</i>-Selective synthesis of β-boryl-α-amino acid derivatives by Cu-catalysed borylamination of α,β-unsaturated esters
    作者:Soshi Nishino、Yuji Nishii、Koji Hirano
    DOI:10.1039/d2sc06003e
    日期:——
    borylamination of α,β-unsaturated esters with B2pin2 and hydroxylamines has been developed to deliver acyclic β-boryl-α-amino acid derivatives with high anti-diastereoselectivity (up to >99 : 1), which is difficult to obtain by the established methods. A chiral phosphoramidite ligand also successfully induces the enantioselectivity, giving the optically active β-borylated α-amino acids. The products can be stereospecifically
    已开发出催化的 α,β-不饱和酯与 B 2 pin 2和羟胺的区域选择性和非对映选择性胺化,以提供具有高抗非对映选择性(高达 >99 : 1)的无环 β-基-α-氨基酸生物),用现有的方法很难得到。手性亚酰胺配体也成功地诱导了对映选择性,产生光学活性的β-α-氨基酸。该产品可以立体定向地转化为β-功能化的α-氨基酸,这在药物化学领域具有重要意义。
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