ethyl 3-chloro-2,4,5-trifluoro-6-methyl-β-oxobenzenepropanoate | 119915-66-1

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: ethyl 3-chloro-2,4,5-trifluoro-6-methyl-β-oxobenzenepropanoate
• 英文别名: ethyl 2-(3-chloro-6-methyl-2,4,5-trifluorobenzoyl)acetate；ethyl 3-chloro-2,4,5-trifluoro-6-methylbenzoylacetate；ethyl 3-(3-chloro-2,4,5-trifluoro-6-methylphenyl)-3-oxopropanoate
• CAS: 119915-66-1
• 化学式: C₁₂H₁₀ClF₃O₃
• 分子量: 294.658
• InChiKey: JHGCBMAOBHBWTJ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  19
• 可旋转键数：
  5
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  ethyl 3-chloro-2,4,5-trifluoro-6-methyl-β-oxobenzenepropanoate 在 盐酸 、 乙酸酐 、 sodium hydride 作用下， 以 乙醇 为溶剂， 生成 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-5-methyl-4-oxo-3-quinolinecarboxylic acid
  参考文献：
  名称：

  5-甲基-4-氧代喹啉羧酸的合成

  摘要：

  制备了一系列5-甲基-4-氧代-3-喹啉羧酸，其中八个位置被氟，氯，甲基或氢取代。这些喹诺酮是由衍生自恶唑啉8和16的合适的2-甲基-3,4,6-三氟苯甲酸合成的。恶唑啉部分既是邻位导向基团（在可行的情况下）又是保护基团；三甲基甲硅烷基部分被用来封闭分子中最酸性的位点。

  DOI：

  10.1002/jhet.5570270616
• 作为产物：
  描述：

  2,4,5-三氟苯甲酰氯 在 盐酸 、 2,2'-联吡啶 、 正丁基锂 、 氯化亚砜 、 六氯丙酮 、 N,N-二甲基甲酰胺 、 lithium diisopropyl amide 作用下， 以 二氯甲烷 、 氯仿 为溶剂， 生成 ethyl 3-chloro-2,4,5-trifluoro-6-methyl-β-oxobenzenepropanoate
  参考文献：
  名称：

  5-甲基-4-氧代喹啉羧酸的合成

  摘要：

  制备了一系列5-甲基-4-氧代-3-喹啉羧酸，其中八个位置被氟，氯，甲基或氢取代。这些喹诺酮是由衍生自恶唑啉8和16的合适的2-甲基-3,4,6-三氟苯甲酸合成的。恶唑啉部分既是邻位导向基团（在可行的情况下）又是保护基团；三甲基甲硅烷基部分被用来封闭分子中最酸性的位点。

  DOI：

  10.1002/jhet.5570270616

文献信息

• Pyridonecarboxylic acid derivatives or salts thereof and drugs
  申请人：Wakunaga Pharmaceutical Co., Ltd.

  公开号：US06136823A1

  公开（公告）日：2000-10-24

  The invention relates to pyridonecarboxylic acid derivatives represented by the general formula (1): ##STR1## wherein R.sup.1 is --OH, a carboxy-protecting group or (alkyl)amino group, R.sup.2 is H, or --NO.sub.2, (protected) amino, (protected) hydroxyl, lower alkyl or lower alkoxyl group, R.sup.3 is a halogen atom, H, or --NO.sub.2, lower alkyl, lower alkoxyl or amino group, R.sup.4 is an azido, (substituted) hydrazino, (substituted) amino, lower alkoxyl or hydroxyl group, R.sup.5, R.sup.6 and R.sup.7 are independently H, --NO.sub.2, halogen atom or lower alkyl group, R.sup.8 is a --NO.sub.2, (substituted) amino, --OH or lower alkoxyl group, A is N or C--R.sup.12, in which R.sup.12 is H, halogen atom, or (substituted) lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyl, lower alkylthio or nitro group, and B is N or C--R.sup.13, in which R.sup.13 is H or halogen atom, or salts thereof, and medicine comprising such a compound as an active ingredient. The derivatives or the salts thereof exhibit excellent antibacterial action and peroral absorbability, scarcely cause side effects, and are easy of synthesis.

  该发明涉及由通式（1）表示的吡啶酮羧酸衍生物：##STR1##其中R.sup.1为--OH、羧保护基团或（烷基）氨基团，R.sup.2为H或--NO.sub.2、（保护）氨基、（保护）羟基、较低烷基或较低烷氧基团，R.sup.3为卤素原子、H或--NO.sub.2、较低烷基、较低烷氧基或氨基团，R.sup.4为偶氮基、（取代）叠氮基、（取代）氨基、较低烷氧基或羟基团，R.sup.5、R.sup.6和R.sup.7独立地为H、--NO.sub.2、卤素原子或较低烷基团，R.sup.8为--NO.sub.2、（取代）氨基、--OH或较低烷氧基团，A为N或C--R.sup.12，其中R.sup.12为H、卤素原子或（取代）较低烷基、较低烯基、较低炔基、较低烷氧基、较低硫代烷基或硝基团，B为N或C--R.sup.13，其中R.sup.13为H或卤素原子，或其盐，以及包括此类化合物作为活性成分的药物。这些衍生物或其盐表现出优异的抗菌作用和口服吸收性，几乎不会引起副作用，并且易于合成。
• NOVEL PYRIDONECARBOXYLIC ACID DERIVATIVE OR SALT THEREOF
  申请人：WAKUNAGA PHARMACEUTICAL CO., LTD.

  公开号：US20190276407A1

  公开（公告）日：2019-09-12

  A pyridonecarboxylic acid derivative or a salt thereof is represented by Formula (1), where R 1 is hydrogen, a halogen atom, a lower alkyl group, or an amino group; R 2 is —NH—R 6 , where R 6 is hydrogen, a lower alkyl group, an amino lower alkyl group, or the like; —O—R 7 , where R 7 is hydrogen, a lower alkyl group, or the like; —(CH 2 ) m —R 8 , where R 8 is an amino group or the like, m is 1, 2, 3 or 4; or a cyclic amino group of Formula (2), where Y represents NH or C—R 9a R 9b , where R 9a and R 9b are each independently hydrogen, a lower alkyl group, an amino group, a lower alkyl amino group, or the like; n and p are 1 or 2; R 3 is hydrogen, a halogen atom, a lower alkyl group, or the like; R 4 is hydrogen or a carboxyl group-protecting group; and R 5 is hydrogen or a hydroxyl group-protecting group.

  化合物或其盐可由以下式（1）表示，其中R1是氢、卤素原子、低烷基或氨基；R2是—NH—R6，其中R6是氢、低烷基、氨基低烷基或类似物；—O—R7，其中R7是氢、低烷基或类似物；—(CH2)m—R8，其中R8是氨基或类似物，m为1、2、3或4；或由以下式（2）的环状氨基团表示，其中Y代表NH或C—R9aR9b，其中R9a和R9b各自独立地是氢、低烷基、氨基、低烷基氨基或类似物；n和p为1或2；R3是氢、卤素原子、低烷基或类似物；R4是氢或羧基保护基团；R5是氢或羟基保护基团。
• Benzoheterocyclic compounds
  申请人：Otsuka Pharmaceutical Company, Limited

  公开号：US05591744A1

  公开（公告）日：1997-01-07

  Novel 4-oxoquinoline-3-carboxylic acid compounds of the formula: ##STR1## wherein R.sup.1 is cyclopropyl which may have 1 to 3 substituents of alkyl and halogen; phenyl which may be substituted by 1 to 3 substituents of alkoxy, halogen and OH; alkyl which may be substituted by halogen, alkanoyloxy or OH; alkenyl; or thienyl, R.sup.2 is 5- to 9-membered saturated or unsaturated heterocyclic ring which may be sustituted, R.sup.3 is alkyl or halogen, R.sup.4 is alkyl or halogen, R is H or alkyl, R.sup.1 and R.sup.3 may be taken together to form ##STR2## wherein R.sup.31 is H or alkyl, and X is halogen, provided that R.sup.3 and R.sup.4 are not simultaneously halogen, and salts thereof, said compounds having excellent antimicrobial activity and hence being useful as an antimicrobial agent, and a pharmaceutical composition containing said compound as an active ingredient.

  化合物的名称为4-氧喹啉-3-羧酸，其化学式为：##STR1## 其中，R1为环丙基，可以有1到3个烷基和卤素取代基；苯基，可以被1到3个烷氧基，卤素和羟基取代；烷基，可以被卤素，烷酰氧基或羟基取代；烯基；或噻吩基，R2为5到9个成员的饱和或不饱和杂环，可以被取代，R3为烷基或卤素，R4为烷基或卤素，R为氢或烷基，R1和R3可以一起取代形成##STR2## 其中，R31为氢或烷基，X为卤素，前提是R3和R4不能同时为卤素。这些化合物具有优异的抗微生物活性，因此可用作抗微生物剂，并且含有该化合物作为活性成分的制药组合物。
• NOVEL PYRIDONECARBOXYLIC ACID DERIVATIVES OR SALTS THEREOF AND DRUGS CONTAINING THE SAME AS THE ACTIVE INGREDIENT
  申请人：WAKUNAGA PHARMACEUTICAL CO., LTD.

  公开号：EP0945435A1

  公开（公告）日：1999-09-29

  The invention relates to pyridonecarboxylic acid derivatives represented by the general formula (1): wherein R1 is -OH, a carboxy-protecting group or (alkyl)-amino group, R2 is H, or -NO2, (protected) amino, (protected) hydroxyl, lower alkyl or lower alkoxyl group, R3 is a halogen atom, H, or -NO2, lower alkyl, lower alkoxyl or amino group, R4 is an azido, (substituted) hydrazino, (substituted) amino, lower alkoxyl or hydroxyl group, R5, R6 and R7 are independently H, -NO2, halogen atom or lower alkyl group, R8 is a -NO2, (substituted) amino, -OH or lower alkoxyl group, A is N or C-R12, in which R12 is H, halogen atom, or (substituted) lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyl, lower alkylthio or nitro group, and B is N or C-R13, in which R13 is H or halogen atom, or salts thereof, and medicine comprising such a compound as an active ingredient. The derivatives or the salts thereof exhibit excellent antibacterial action and peroral absorbability, scarcely cause side effects, and are easy of synthesis.

  本发明涉及通式（1）所代表的吡啶甲酸衍生物： 其中 R1 是-OH、羧基保护基团或（烷基）-氨基；R2 是 H、或-NO2、（保护）氨基、（保护）羟基、低级烷基或低级烷氧基；R3 是卤素原子、H、或-NO2、低级烷基、低级烷氧基或氨基；R4 是叠氮基、（取代的）肼基、（取代的）氨基、低级烷氧基或羟基；R5、R6 和 R7 独立地是 H、-NO2、A是N或C-R12，其中R12是H、卤素原子或（取代的）低级烷基、低级烯基、低级炔基、低级烷氧基、低级烷硫基或硝基，B是N或C-R13，其中R13是H或卤素原子，或其盐，以及包含此类化合物作为活性成分的药物。这些衍生物或其盐具有出色的抗菌作用和口腔吸收性，几乎不会产生副作用，而且易于合成。
• 7-Piperazinyl- or 7-Morpholino-4-oxo-quinoline-3-carboxylic acid derivatives, their preparation and their use as antimicrobial agents
  申请人：OTSUKA PHARMACEUTICAL CO., LTD.

  公开号：EP0287951B1

  公开（公告）日：1996-07-03