3-(2-Fluorophenyl)-3-oxopropanoic acid | 824424-56-8

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 3-(2-Fluorophenyl)-3-oxopropanoic acid
• CAS: 824424-56-8
• 化学式: C₉H₇FO₃
• 分子量: 182.151
• InChiKey: OBAUDESXCIIOJC-UHFFFAOYSA-N

物化性质

• 沸点：
  349.6±22.0 °C(Predicted)
• 密度：
  1.336±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  13
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.11
• 拓扑面积：
  54.4
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  3,4-二氢-2H-吡咯 、 3-(2-Fluorophenyl)-3-oxopropanoic acid 在 三氟乙酸 、 potassium carbonate 作用下， 以 四氢呋喃 、 乙醚 、 正己烷 、 N,N-二甲基甲酰胺 为溶剂， 反应 8.08h， 以112 mg的产率得到2,3,3a,4-tetrahydropyrrolo[1,2-a]quinolin-5(1H)-one
  参考文献：
  名称：

  通过CH键官能化未保护的脂环胺的多样化：瞬时亚胺的脱羧烷基化。

  摘要：

  尽管该领域的许多从业者做出了广泛的努力，但未受保护的脂环胺直接 α-C-H 键功能化的方法仍然很少。该领域的一项新进展是利用 N-锂化脂环胺。这些易于获得的中间体通过简单的酮氧化剂的作用转化为瞬时亚胺，然后在温和条件下用β-酮酸进行烷基化，以前所未有的轻松方式提供有价值的β-氨基酮。具有现有 α-取代基的底物可实现区域选择性 α'-烷基化。该方法还适用于通过加入SN Ar步骤方便地一锅合成多环二氢喹诺酮类药物。

  DOI：

  10.1002/anie.202011641

文献信息

• [EN] KV1.3 INHIBITORS AND THEIR MEDICAL APPLICATION<br/>[FR] INHIBITEURS DE KV1.3 ET LEUR APPLICATION MÉDICALE
  申请人：4SC DISCOVERY GMBH

  公开号：WO2016146583A1

  公开（公告）日：2016-09-22

  The present invention relates to a compound of the general formula (II) or a salt or solvate thereof, as well as medical uses involving them, wherein A1 is selected from the group consisting of N and C-R8; A2 is selected from the group consisting of N and C-R3, A3 is selected from the group consisting of N and C-R9; A4 and A5 and A6 are independently selected from the group consisting of N and C-R1; R1 is selected from the group consisting of hydrogen, (C1-C3)alkyl, halogen, (C1-C3)alkoxy, and (C1-C3)haloalkyl; R2 is selected from the group consisting of hydrogen, halogen, and (C1-C3)alkyl; R3 is selected from the group consisting of hydrogen, (C1-C3)alkyl, NR4R5, (C1-C3)alkyl- NR4R5, and cyano, wherein R4 and R5 are independently selected from the group consisting of hydrogen, (C3-C5)cycloalkyl, (C3-C5)heterocycloalkyl and (C1-C3)alkyl, or R4 and R5 together with the nitrogen atom to which they are attached form a 5- to 7-membered heterocyclic ring optionally comprising in addition to the aforementioned nitrogen atom a further heteroatom group selected from the group consisting of O and NR6, wherein R6 is selected from the group consisting of hydrogen, methyl, acetyl and formyl; Y is selected from the group consisting of O and S; R8 is selected from the group consisting of (C1-C4)alkyl, (C3-C5)cycloalkyl and (C3-C5)heterocycloalkyl; and R9 is selected from the group consisting of hydrogen, (C1-C3)alkyl and (C1-C3)alkoxy; wherein certain particular compounds are excluded py proviso, and methods for producing such compounds.

  本发明涉及一般式（II）的化合物或其盐或溶剂络合物，以及涉及它们的医药用途，其中A1从N和C-R8组成的组中选择；A2从N和C-R3组成的组中选择，A3从N和C-R9组成的组中选择；A4、A5和A6独立地从N和C-R1组成的组中选择；R1从氢、（C1-C3）烷基、卤素、（C1-C3）烷氧基和（C1-C3）卤代烷基组成的组中选择；R2从氢、卤素和（C1-C3）烷基组成的组中选择；R3从氢、（C1-C3）烷基、NR4R5、（C1-C3）烷基-NR4R5和氰基组成的组中选择，其中R4和R5独立地从氢、（C3-C5）环烷基、（C3-C5）杂环烷基和（C1-C3）烷基组成的组中选择，或者R4和R5与它们连接的氮原子一起形成一个5至7元杂环，该环可选地包括除上述氮原子外进一步选择的O和NR6等杂原子基团，其中R6从氢、甲基、乙酰基和甲酰基组成的组中选择；Y从O和S组成的组中选择；R8从（C1-C4）烷基、（C3-C5）环烷基和（C3-C5）杂环烷基组成的组中选择；R9从氢、（C1-C3）烷基和（C1-C3）烷氧基组成的组中选择；其中特定的某些化合物受限制，以及生产这种化合物的方法。
• Switching of Enantioselectivity in the Cu-Catalyzed Asymmetric Decarboxylative Aldol Reaction of Tryptanthrin with <i>β-</i>Keto Acids: An Unexpected Counteranion Effect
  作者：Fang-Fang Feng、Xue-Qi Wang、Long Sun、Chi Wai Cheung、Jing Nie、Jun-An Ma

  DOI：10.1021/acs.orglett.1c01315

  日期：2021.6.4

  Cu-bisoxazoline-catalyzed enantioselective decarboxylative aldol reaction of tryptanthrin with aryl-substituted β-keto acids is developed, providing a straightforward approach to deliver a series of phaitanthrin A analogues. Both enantiomers of the products can be obtained with good to high enantioselectivity in the presence of a single chiral ligand by simply changing the copper salts. Based on the

  开发了 Cu-双恶唑啉催化的色氨酸与芳基取代的β-酮酸的对映选择性脱羧醛醇反应，提供了一种直接的方法来提供一系列的苯菊酯 A 类似物。在单一手性配体存在下，通过简单地改变铜盐，可以以良好到高的对映选择性获得产物的两种对映异构体。基于手性 Cu(II)-双恶唑啉配合物的 X 射线晶体学分析，提出了初步的立体化学模型，以解释观察到的反阴离子诱导的对映选择性转换。
• [EN] PHARMACEUTICAL COMPOUNDS<br/>[FR] COMPOSÉS PHARMACEUTIQUES
  申请人：REVIRAL LTD

  公开号：WO2021032992A1

  公开（公告）日：2021-02-25

  Benzodiazepine derivatives of formula (I): (I) wherein: each of R1 and R2 is independently H or halo; either (i) T is N, Z is C, ---a--- and --­c--- are bonds, and ---b--- and ---d--- are absent; or (ii) T is C, Z is N, ---b--- and ---d--- are bonds, and ---a--- and ---c--- are absent; each of R3 and R4 is independently halo, -OR6, -NR6R7, -COR8, -C(O)OR8, -CON(R8)2 or -R6; R5 is H or halo; each of R6 and R7 is independently H or a group selected from C1-C6 alkyl, C3-C10 cycloalkyl, C6-C10 aryl, 4- to 10-membered heterocyclyl and 4- to 10-membered heteroaryl, the group being unsubstituted or substituted; R8 is H or C1-C6 alkyl, each R8 being the same or different when two are present; n is 0 or 1; and one of V, W, X and Y is N or CH and the other three are CH; and the pharmaceutically acceptable salts thereof are inhibitors of RSV and can therefore be used to treat or prevent an RSV infection.

  公式（I）的苯二氮卓类衍生物：（I）其中：R1和R2中的每一个独立地是H或卤素；要么（i）T是N，Z是C，---a---和--c---是键，---b---和---d---是不存在的；要么（ii）T是C，Z是N，---b---和---d---是键，---a---和---c---是不存在的；R3和R4中的每一个独立地是卤素，-OR6，-NR6R7，-COR8，-C（O）OR8，-CON（R8）2或-R6；R5是H或卤素；R6和R7中的每一个独立地是H或从C1-C6烷基，C3-C10环烷基，C6-C10芳基，4-至10成员杂环烷基和4-至10成员杂芳基中选择的基团，该基团未取代或取代；R8是H或C1-C6烷基，当两个存在时R8相同或不同；n为0或1；V、W、X和Y中的一个是N或CH，另外三个是CH；其药用可接受的盐为RSV的抑制剂，因此可用于治疗或预防RSV感染。
• [EN] KV1.3 INHIBITORS AND THEIR MEDICAL APPLICATION<br/>[FR] INHIBITEURS KV1.3 ET APPLICATION MÉDICALE CORRESPONDANTE
  申请人：4SC DISCOVERY GMBH

  公开号：WO2016146575A1

  公开（公告）日：2016-09-22

  The present invention relates to a compound of the general formula (III) or a salt, solvate or prodrug thereof, as well as medical uses involving them, wherein (III) A1 is selected from the group consisting of N and C-R8; A2 is selected from the group consisting of N and C-R3; A3 is selected from the group consisting of N and C-R9; A4 and A5 and A6 are independently selected from the group consisting of N and C-R1; R1 is selected from the group consisting of hydrogen, (C1-C3)alkyl, halogen, (C1-C3)alkoxy and (C1-C3)haloalkyl; R2 is selected from the group consisting of hydrogen, halogen and (C1-C3)alkyl; R3 is selected from the group consisting of hydrogen, (C1-C3)alkyl, NR4R5, (C1-C3)alkyl- NR4R5 and cyano; wherein R4 and R5 are independently selected from the group consisting of hydrogen, (C3- C5)cycloalkyl, (C3-C5)heterocycloalkyl, (C1-C3)alkyl, or R4 and R5 together with the nitrogen atom to which they are attached form a 5- to 7-membered heterocyclic ring optionally comprising in addition to the aforementioned nitrogen atom a further heteroatom group selected from the group consisting of O and NR6, wherein R6 is selected from the group consisting of hydrogen, methyl, acetyl and formyl; Y is selected from the group consisting of O and S; R7 is selected from the group consisting of hydrogen, and (C1-C3)alkyl; R8 is selected from the group consisting of (C1-C4)alkyl, (C3-C5)cycloalkyl, and (C3- C5)heterocycloalkyl; R9 is selected from the group consisting of hydrogen, (C1-C3)alkyl, (C1-C3)alkoxy, and methods for producing such compounds.

  本发明涉及一般式（III）的化合物或其盐、溶剂合物或前药，以及涉及它们的医药用途，其中（III）A1选自由N和C-R8组成的群；A2选自由N和C-R3组成的群；A3选自由N和C-R9组成的群；A4、A5和A6独立地选自由N和C-R1组成的群；R1选自由氢、（C1-C3）烷基、卤素、（C1-C3）烷氧基和（C1-C3）卤代烷基组成的群；R2选自由氢、卤素和（C1-C3）烷基组成的群；R3选自由氢、（C1-C3）烷基、NR4R5、（C1-C3）烷基-NR4R5和氰基；其中R4和R5独立地选自由氢、（C3-C5）环烷基、（C3-C5）杂环烷基、（C1-C3）烷基，或R4和R5与它们连接的氮原子一起形成一个5至7成员的杂环，该杂环可选地包括除前述氮原子外，另外选自O和NR6的杂原子团，其中R6选自由氢、甲基、乙酰基和甲酰基；Y选自由O和S组成的群；R7选自由氢和（C1-C3）烷基；R8选自由（C1-C4）烷基、（C3-C5）环烷基和（C3-C5）杂环烷基组成的群；R9选自由氢、（C1-C3）烷基、（C1-C3）烷氧基，以及生产这种化合物的方法。
• Highly Enantioselective Construction of Fully Substituted Stereocenters Enabled by <i>In Situ</i> Phosphonium-Containing Organocatalysis
  作者：Hongkui Zhang、Chunhui Jiang、Jian-Ping Tan、Hui-Lin Hu、Yayun Chen、Xiaoyu Ren、Hong-Su Zhang、Tianli Wang

  DOI：10.1021/acscatal.0c01079

  日期：2020.5.15

  yields with excellent enantioselectivities (99.0 to >99.9% ee) under very low catalyst loading (0.5 mol %). The success of gram-level preparation and synthetic transformations proves the potential of this catalytic strategy for practical applications. Mechanistic investigation, including control experiments, in situ NMR analysis, and ESI-HRMS characterization of intermediates, provides insights into the

  在本文中，我们介绍了重要且实用的双功能原位含containing有机催化及其在环状酮亚胺和β-酮酸之间的不对称脱羧转化在含氮完全取代的立体中心的高效和对映选择性构建中的初步应用。通过这种催化方案，可以在非常低的催化剂负载量（0.5摩尔％）下，以优异的对映选择性（99.0至> 99.9％ee）以高收率轻松合成各种旋光性环状叔胺衍生物。克级制备和合成转化的成功证明了这种催化策略在实际应用中的潜力。机械调查，包括原位控制实验 NMR分析和中间体的ESI-HRMS表征提供了对该机理的见解。