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

2-isopropyl-2-carbethoxycyclopentanone | 25491-46-7

中文名称
——
中文别名
——
英文名称
2-isopropyl-2-carbethoxycyclopentanone
英文别名
ethyl 2-oxo-1-(1'-methylethyl)-cyclopentane-1-carboxylate;2-Carbaethoxy-2-isopropylcyclopentanon;2-Isopropyl-2-carbethoxy-cyclopentanon;2-Isopropyl-2-carbethoxyclopentanon;1-isopropyl-2-oxo-cyclopentanecarboxylic acid ethyl ester;1-Isopropyl-2-oxo-cyclopentancarbonsaeure-aethylester;ethyl (RS)-1-isopropyl-2-oxocyclopentanecarboxylate;2-Isopropyl-2-aethoxycarbonyl-cyclopentanon;ethyl 2-oxo-1-propan-2-ylcyclopentane-1-carboxylate
2-isopropyl-2-carbethoxycyclopentanone化学式
CAS
25491-46-7
化学式
C11H18O3
mdl
——
分子量
198.262
InChiKey
VOGVBDCJXCWZPP-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):
    2
  • 重原子数:
    14
  • 可旋转键数:
    4
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.82
  • 拓扑面积:
    43.4
  • 氢给体数:
    0
  • 氢受体数:
    3

SDS

SDS:38cc3d030a809a917534fd5b982c6689
查看

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
  • 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

  • Experience with using alternative reducing agents at blast furnace
    作者:J. Buchwalder、T. Fuchs、J. Hunger、T. Siepert
    DOI:10.1051/metal:2003177
    日期:2003.3
    This paper presents the experience that EKO Stahl has gained with the blast furnace injection of plastics and animal fats as alternative reducing agents since 1993. The specific pieces of equipment that have been designed and implemented for handling, storing and injecting these substances into the blast furnace tuyeres are described. The parameters that allow line stability and the overall effects on blast furnace operation are reported.
    本文介绍了EKO Stahl自1993年以来在将塑料和动物脂肪作为替代还原剂注入高炉方面的经验。文章描述了为处理、储存和将这些物质注入高炉风口而设计和实施的具体设备。报告了确保生产线稳定性的参数以及对高炉运行的整体影响。
  • A systematic study of the solid state and solution phase conformational preferences of β-peptides derived from C(3)-alkyl substituted transpentacin derivatives
    作者:Elin Abraham、Timothy D.W. Claridge、Stephen G. Davies、Barbara Odell、Paul M. Roberts、Angela J. Russell、Andrew D. Smith、Lorna J. Smith、Helen R. Storr、Miles J. Sweet、Amber L. Thompson、James E. Thomson、George E. Tranter、David J. Watkin
    DOI:10.1016/j.tetasy.2010.12.007
    日期:2011.1
    preference of the parent pentamer and hexamer derived from 2-aminocyclopentanecarboxylic acid (transpentacin) residues in both the solid state and solution phase. Evidence for the alternative turn type conformation identified for the C(3)-unsubstituted tetramer was not observed in the C(3)-alkyl substituted derivatives, consistent with the alkyl substituent anti to the amino functionality destabilising this
    已经使用多种光谱学和晶体学技术研究了衍生自一系列2-氨基-3-烷基环戊烷羧酸残基的一系列同源的β-肽的固态和溶液相构象偏好。这些研究表明,Ç(3) -烷基取代的反式对环戊烷骨架上的氨基被由2-氨基环戊烷羧酸衍生的亲本五聚体和六既定12螺旋的二级结构优选耐受(transpentacin)在这两个残基固态和固溶相。证据确定了C(3)未被取代的四聚体替代转式构象中,没有观察到C ^(3)-烷基取代的衍生物,与抗氨基官能团的烷基取代基一致,该官能团使该基序不稳定。这些结果表明,基于transpentacin支架的低聚物可能更适合在C(3)处对氨基进行抗修饰,并保留了二级结构。
  • Kinetic resolution of tert-butyl (RS)-3-alkylcyclopentene-1-carboxylates for the synthesis of homochiral 3-alkyl-cispentacin and 3-alkyl-transpentacin derivatives
    作者:Mark E. Bunnage、Stephen G. Davies、Richard M. Parkin、Paul M. Roberts、Andrew D. Smith、Jonathan M. Withey
    DOI:10.1039/b407559e
    日期:——
    High levels of stereocontrol are observed in the conjugate addition of lithium dibenzylamide to tert-butyl (RS)-3-alkylcyclopentene-1-carboxylates (alkyl = Et, Bn), with addition occurring exclusively anti- to the 3-alkyl substituent. Treatment of a range of tert-butyl (RS)-3-alkylcyclopentene-1-carboxylates (alkyl = Et, Bn, iPr, tBu) with lithium (RS)-N-benzyl-N-α-methylbenzylamide indicates that good enantiorecognition is observed (E > 80) in their mutual kinetic resolution. In these reactions, conjugate addition of the lithium amide occurs exclusively anti- to the 3-alkyl substituent, with subsequent C(1)-protonation occurring preferably anti- to the 2-amino group in the 3-Et, 3-Bn and 3-iPr cases, giving predominantly the corresponding 1,2-syn-2,3-anti-diastereoisomers. Conjugate addition to (RS)-3-tert-butyl cyclopentene-1-carboxylate results in exclusive 2,3-anti -addition and a reversal in C(1)-protonation selectivity, giving predominantly the 1,2-anti-2,3-anti-diastereoisomer. Furthermore, the kinetic resolution of the tert-butyl (RS)-3-alkylcyclopentene-1-carboxylates (alkyl = Et, Bn, iPr, tBu) with lithium (S)-N-benzyl-N-α-methylbenzylamide proceeds efficiently, giving, at between 47 and 51% conversion, the resolved 3-alkylcyclopentene-1-carboxylates in >85 to >98% ee and the β-amino ester products of conjugate addition in high de, consistent with E > 80 in each case. Subsequent deprotection of the 1,2-syn-2,3-anti-3-alkyl-β-amino esters (alkyl = Et, Bn, iPr) by hydrogenolysis and ester hydrolysis gives the corresponding 1,2-syn-2,3-anti-3-alkylcispentacins in >98% de and 98 ± 1% ee. Selective epimerisation of the 1,2-syn-2,3-anti-3-alkyl-β-amino esters (alkyl = Et, Bn, iPr, tBu) by treatment with KOtBu in tBuOH gives the corresponding 1,2-anti-2,3-anti-3-alkyl-β-amino esters in quantitative yield and in >98% de, with subsequent deprotection by hydrogenolysis and ester hydrolysis giving the corresponding 1,2-anti-2,3-anti-3-alkylcispentacin hydrochlorides in >98% de.
    在锂二苯甲酰胺对叔丁基(RS)-3-烷基环戊烯-1-羧酸酯(烷基 = Et, Bn)的共轭加成中,观察到高水平的立体控制,添加反应专门以反位于3-烷基取代基。将一系列叔丁基(RS)-3-烷基环戊烯-1-羧酸酯(烷基 = Et, Bn, iPr, tBu)处理与锂(RS)-N-苄基-N-α-甲基苄基胺显示出良好的对映识别(E > 80),其相互动力学分辨率中。在这些反应中,锂胺的共轭加成专门以反位于3-烷基取代基,随后C(1)-质子化更倾向于反位于2-氨基,在3-Et、3-Bn和3-iPr情况下,主要生成对应的1,2-syn-2,3-anti-立体异构体。对(RS)-3-叔丁基环戊烯-1-羧酸酯的共轭加成则产生专门的2,3-反位加成,并且C(1)-质子化选择性发生逆转,主要生成1,2-反位-2,3-反位的立体异构体。此外,与锂(S)-N-苄基-N-α-甲基苄基胺的叔丁基(RS)-3-烷基环戊烯-1-羧酸酯(烷基 = Et, Bn, iPr, tBu)的动力学分辨率有效进行,在47%至51%的转化率范围内,得到分辨的3-烷基环戊烯-1-羧酸酯,具有>85%至>98%的光学纯度(ee)和在相应共轭加成中得到的β-氨基酯产物具有高的立体选择性,与每一种情况下的E > 80一致。随后,通过氢解和酯水解去保护1,2-syn-2,3-anti-3-烷基-β-氨基酯(烷基 = Et, Bn, iPr)产生相应的1,2-syn-2,3-anti-3-烷基环戊酮,去除立体杂质大于98%且光学纯度为98 ± 1%。通过在叔丁醇中用KOtBu处理1,2-syn-2,3-anti-3-烷基-β-氨基酯(烷基 = Et, Bn, iPr, tBu)选择性表异构化得到相应的1,2-反位-2,3-反位-3-烷基-β-氨基酯,以定量产率和>98%的去保护率,随后通过氢解和酯水解去保护得到相应的1,2-反位-2,3-反位-3-烷基环戊酮盐酸盐,去保护率大于98%。
  • 11-Step and Scalable Total Synthesis of Hamigeran M Enabled by Five C–H Functionalizations
    作者:Baiyang Jiang、Mingji Dai
    DOI:10.1021/jacs.1c11060
    日期:2021.12.8
    convergent total synthesis of (±)-hamigeran M, enabled by five C–H functionalization reactions and proceeding in 11 steps in 3.9% overall yield. The C–H functionalizations include a hydroxy-directed C–H borylation, one C–H metalation-1,2-addition, one C–H metalation-Negishi coupling, a late-stage oxazole-directed C–H borylation-oxidation, and one electrophilic bromination. Two of these five C–H functionalizations
    我们报告了 (±)-hamigeran M 的收敛全合成,通过五个 C-H 官能化反应实现,并以 3.9% 的总产率分 11 个步骤进行。C-H 官能化包括羟基定向 C-H 硼化、一个 C-H 金属化-1,2-加成、一个 C-H 金属化-根岸偶联、后期恶唑定向 C-H 硼化-氧化、和一个亲电子溴化。这五个 C-H 官能化中的两个在 hamigeran M 的七元环中形成了战略性 C-C 键。恶唑定向的 C-H 硼化氧化是前所未有的,并确保了后期羟基化。其他关键步骤包括串联 Suzuki 反应-内酯化以将环戊烷结构单元与芳族部分连接起来,以及氢原子转移反应以减少具有挑战性的四取代双键。
  • Alicyclic amides having a physiological cooling effect
    申请人:Wilkinson Sword Limited
    公开号:US04248859A1
    公开(公告)日:1981-02-03
    Alkyl-substituted alicyclic carboxylic acids, esters and amides are disclosed having the property of stimulating the cold receptors of the nervous system of the human body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    本发明揭示了具有刺激人体神经系统的冷感受器产生冷感觉的性质的烷基取代脂环酸、酯和酰胺,并且这些化合物被用于多种可食用和局部制剂中。
查看更多