摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词

(S)-methyl 1-((R)-2-nitro-1-phenylethyl)-2-oxocyclopentanecarboxylate

中文名称
——
中文别名
——
英文名称
(S)-methyl 1-((R)-2-nitro-1-phenylethyl)-2-oxocyclopentanecarboxylate
英文别名
methyl-1-(2-nitro-1-phenylethyl)-2-oxocyclopentanecarboxylate;methyl (S)-1-((R)-2-nitro-1-phenylethyl)-2-oxocyclopentane-1-carboxylate;(1S)-1-[(1R)-2-nitro-1-phenylethyl]-2-oxo-cyclopentanecarboxylic acid methyl ester;1-(2-nitro-1-phenylethyl)-2-oxo-cyclopentanecarboxylic acid methyl ester;methyl (1S)-1-[(1R)-2-nitro-1-phenylethyl]-2-oxocyclopentanecarboxylate;(2S,3R)-methyl 1-(2-nitro-1-phenylethyl)-2-oxocyclopentanecarboxylate;methyl (1S)-1-[(1R)-2-nitro-1-phenylethyl]-2-oxocyclopentane-1-carboxylate
(S)-methyl 1-((R)-2-nitro-1-phenylethyl)-2-oxocyclopentanecarboxylate化学式
CAS
——
化学式
C15H17NO5
mdl
——
分子量
291.304
InChiKey
PXQWCBKEMHAYSE-DOMZBBRYSA-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:
    21
  • 可旋转键数:
    5
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.47
  • 拓扑面积:
    89.2
  • 氢给体数:
    0
  • 氢受体数:
    5

反应信息

  • 作为产物:
    描述:
    β-硝基苯乙烯2-甲氧羰基环戊酮 在 resin-supported guanidinylated peptide 作用下, 以 甲苯 为溶剂, 反应 3.5h, 以85%的产率得到(S)-methyl 1-((R)-2-nitro-1-phenylethyl)-2-oxocyclopentanecarboxylate
    参考文献:
    名称:
    N端胍基化螺旋肽催化的对映选择性硝基-迈克尔加成反应
    摘要:
    β-二羰基化合物对硝基烯烃的对映选择性迈克尔加成是通过使用固定化的 N 端胍基肽 H 2 NC (=NH)-Trp-Trp-(Leu-Leu-Aib) 3 -PEG-PS 实现的-树脂(Aib=2-氨基异丁酸),作为催化剂。可行的亲核试剂是乙酰丙酮、丙二酸二甲酯和β-酮酯。亲电子试剂包括苯环上带有各种取代基的β-硝基苯乙烯和脂肪族硝基烯烃。空间拥挤的α-乙氧羰基-β-硝基苯乙烯也成功反应。树脂负载催化剂可循环使用5次。
    DOI:
    10.1002/adsc.202101152
点击查看最新优质反应信息

文献信息

  • Novel chiral hydrogen bond donor catalysts based on a 4,5-diaminoxanthene scaffold: application to enantioselective conjugate addition of 1,3-dicarbonyl compounds to nitroalkenes
    作者:Tetsuhiro Nemoto、Kazumichi Obuchi、Shinji Tamura、Takashi Fukuyama、Yasumasa Hamada
    DOI:10.1016/j.tetlet.2010.12.067
    日期:2011.3
    Novel chiral hydrogen bond donor catalysts based on a 4,5-diamino-9,9′-dimethylxanthene skeleton were designed and synthesized. Among the phenylurea-amide hybrid molecules prepared from various natural/unnatural chiral amino acids, the phenylalanine-derived catalyst, and the proline-derived catalyst were successfully applied to enantioselective conjugate addition of 1,3-dicarbonyl compounds to nitroalkenes
    设计并合成了一种基于4,5-二氨基-9,9'-二甲基x吨骨架的新型手性氢键供体催化剂。在由各种天然/非天然手性氨基酸制备的苯基脲-酰胺杂化分子中,苯丙氨酸衍生的催化剂和脯氨酸衍生的催化剂成功地用于将1,3-二羰基化合物对硝基烯烃的对映选择性共轭加成。使用2-乙酰基环戊酮和2-甲氧基羰基环戊酮作为前手性亲核试剂,向β-芳基硝基链烯的不对称共轭加成反应具有良好的非对映选择性,从而提供了具有全碳四元立体中心的相应产物,收率高达95%ee。
  • Design and synthesis of cinchona-based chiral hyperbranched polymers and their application in asymmetric reactions
    作者:Sadia Afrin Chhanda、Shinichi Itsuno
    DOI:10.1016/j.tet.2020.131247
    日期:2020.6
    (MH) coupling reaction. AB2 and A2B-type chiral monomers were prepared from cinchona squaramide derivatives, where A (vinyl) reacted only with B (iodophenyl) under MH reaction conditions. The chiral HBPs obtained by the MH polymerization contained cinchona squaramide moieties and demonstrated excellent diastereoselectivity and enantioselectivity in asymmetric Michael addition reactions of methyl 2-
    设计并基于Mizoroki-Heck(MH)偶联反应成功合成了基于Cinchona的手性超支化聚合物(HBP)。AB 2和A 2 B型手性单体是由金鸡纳方酸酰胺衍生物制备的,其中A(乙烯基)仅在MH反应条件下与B(碘苯基)反应。通过MH聚合得到的手性HBPs含有金鸡纳酸方酰胺部分,并且在2-氧代环戊烷甲酸甲酯和反式的不对称迈克尔加成反应中表现出优异的非对映选择性和对映选择性。-β-硝基苯乙烯。这些新设计的HBP具有结实的结构,可以在不失去催化活性的情况下重新用于进一步的反应。
  • [EN] ASYMMETRIC MICHAEL AND ALDOL ADDITION USING BIFUNCTIONAL CINCHONA-ALKALOID-BASED CATALYSTS<br/>[FR] ADDITIONS ASYMETRIQUES DE MICHAEL ET D'ALDOL UTILISANT DES CATALYSEURS BIFONCTIONNELS A BASE DE CINCHONINE
    申请人:UNIV BRANDEIS
    公开号:WO2005121137A1
    公开(公告)日:2005-12-22
    One aspect of the present invention relates to quinine-based and quinidine-based catalysts. Another aspect of the invention relates to a method of preparing a derivatized quinine-based or quinidine-based catalyst comprising 1) reacting quinine or quinidine with 5 base and a compound that has a suitable leaving group, and 2) converting the ring methoxy group to a hydroxy group. Another aspect of the present invention relates to a method of preparing a chiral, non-racemic compound from a prochiral electron-deficient alkene or azo compound or prochiral aldehyde or prochiral ketone, comprising the step of: reacting a prochiral electron-deficient alkene or azo compound or prochiral aldehyde or prochiral 10 ketone with a nucleophile in the presence of a catalyst; thereby producing a chiral, non racemic compound; wherein said catalyst is a derivatized quinine or quinidine. Another aspect of the present invention relates to a method of kinetic resolution, comprising the step of reacting racemic chiral alkene with a nucleophile in the presence of a derivatized quinine or quinidine.
    本发明的一个方面涉及基于奎宁和奎宁的催化剂。发明的另一个方面涉及一种制备衍生奎宁或奎宁催化剂的方法,包括1)将奎宁或奎宁与5碱和具有适当离去基团的化合物反应,以及2)将环甲氧基转化为羟基。本发明的另一个方面涉及一种从前手性电子亏缺烯烃或偶氮化合物或前手性醛或前手性酮制备手性、非拉克米化合物的方法,包括以下步骤:在催化剂存在下,将前手性电子亏缺烯烃或偶氮化合物或前手性醛或前手性酮与亲核试剂反应;从而产生手性、非拉克米化合物;其中所述催化剂是衍生奎宁或奎宁。本发明的另一个方面涉及一种动力学分辨的方法,包括在衍生奎宁或奎宁存在下,将拉克米手性烯烃与亲核试剂反应的步骤。
  • Ephedrine- and Pseudoephedrine-Derived Thioureas in Asymmetric Michael Additions of Keto Esters and Diketones to Nitroalkenes
    作者:Carsten Bolm、Angelika Flock、Anke Krebs
    DOI:10.1055/s-0029-1219582
    日期:2010.5
    Ephedrine-derived bifunctional thioureas have been synthesized and applied as organocatalysts in Michael additions of 1,3-dicarbonyl compounds to nitroalkenes.
    麻黄碱衍生的双功能硫脲已被合成并用作有机催化剂,用于 1,3-二羰基化合物与硝基烯烃的迈克尔加成反应。
  • Synthesis of cinchona squaramide polymers by Yamamoto coupling polymerization and their application in asymmetric Michael reaction
    作者:Sadia Afrin Chhanda、Shinichi Itsuno
    DOI:10.1016/j.reactfunctpolym.2021.104913
    日期:2021.7
    chiral polymers were successfully utilized as polymeric catalysts in asymmetric Michael addition reactions. Good to excellent enantioselectivities were observed for different types of asymmetric Michael reactions. Using the chiral homopolymer catalyst P4, almost perfect diastereoselectivity (>100:1) with 99% ee was obtained for the reaction between methyl 2-oxocyclopentanecarboxylate 25 and trans-β-nitrostyrene
    山本偶联聚合已用于合成手性有机催化剂。在山本偶合条件下,将具有二溴苯基部分的金鸡纳四角酰胺衍生物聚合,以高收率得到相应的手性聚合物。使用这种技术,设计并成功合成了包含方酸酰胺部分的新型金鸡纳生物碱聚合物。除了具有二溴苯基的金鸡纳四角酰胺单体的均聚之外,还将非手性共聚单体如二溴苯与金鸡纳单体共聚以产生手性共聚物。这些手性聚合物已成功地用作不对称迈克尔加成反应中的聚合物催化剂。对于不同类型的不对称迈克尔反应,观察到良好至优异的对映选择性。对于2-氧代环戊烷甲酸甲酯25与反式-β-硝基苯乙烯17的反应,获得的P4几乎具有完美的非对映选择性(> 100:1),ee为99%。在这项研究中开发的聚合物催化剂具有坚固的结构,可以重复使用几次而不会损失其催化活性。
查看更多