5-异恶唑甲醛 | 16401-14-2

• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 5-异恶唑甲醛
• 中文别名: 异噁唑-5-甲醛
• 英文名称: isoxazole-5-carbaldehyde
• 英文别名: 5-Formylisoxazol；1,2-oxazole-5-carbaldehyde
• CAS: 16401-14-2
• 化学式: C₄H₃NO₂
• 分子量: 97.0733
• InChiKey: GSIPOZWLYGLXDM-UHFFFAOYSA-N

物化性质

• 沸点：
  212℃
• 密度：
  1.258
• 闪点：
  82℃

计算性质

• 辛醇/水分配系数(LogP)：
  0.2
• 重原子数：
  7
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  43.1
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 海关编码：
  2934999090

反应信息

• 作为反应物：
  描述：

  5-异恶唑甲醛 生成 2-[{3-[3-(Decyloxy)phenyl]propanoyl}(isothiazol-5-ylmethyl)amino]ethyl dihydrogen phosphate ammonium salt
  参考文献：
  名称：

  NOVEL LYSOPHOSPHATIDIC ACID DERIVATIVE

  摘要：

  The present invention aims to provide a compound acting as a specific agonist for LPA4 receptors, and a pharmaceutical composition containing the compound. The present invention relates to a novel lysophosphatidic acid derivative having an agonistic action on LPA4 receptors and useful for the prophylaxis and/or treatment of diseases associated with angiogenesis abnormalities involving LPA4 receptors, diseases associated with vascular disorders, or the symptoms associated therewith, and a pharmaceutical composition containing the derivative.

  公开号：

  US20230146210A1
• 作为产物：
  描述：

  5-羟甲基异恶唑 在 manganese(IV) oxide 作用下， 以 氯仿 为溶剂， 反应 24.0h， 生成 5-异恶唑甲醛
  参考文献：
  名称：

  5-异恶唑多烯醛的合成及紫外吸收光谱

  摘要：

  报道并讨论了一系列5-异恶唑多烯醛的制备和紫外光谱。所述λ之间的线性关系2最大和的双键的数目被发现。对这一系列化合物和相应的2-呋喃多烯醛进行了简单的LCAO-MO计算，以解释实验数据。

  DOI：

  10.1016/s0040-4020(01)92568-2

文献信息

• Amino-triazolopyridine derivatives
  申请人：Hoffmann-La Roche Inc.

  公开号：US06355653B1

  公开（公告）日：2002-03-12

  The invention relates to compounds of formula wherein R1 is a 5 or 6 membered heteroaryl group, containing 1 to 3 heteroatoms, selected from N, O or S, and which groups are optionally substituted by one or two substituents, which are lower alkyl, —(CH2)nOH, halogen or lower alkoxy, and wherein the heteroaryl groups may be optionally linked to the pyrazole ring via an alkylene or alkenyl group, or is phenyl, optionally substituted by one or two substituents being lower alkyl, hydroxy-lower alkyl, halogen, hydroxy or lower alkoxy or is —O(CH2)n,phenyl, benzofuryl, indolyl or benzothiophenyl, or is —S-lower alkyl; R2 and R4 are independently from each other hydrogen, cyano or —S(O)2-phenyl; R3 is hydrogen, halogen or is a 5 or 6 membered heteroaryl group, containing 1 to 3 heteroatoms, selected from N, O or S, and which groups are optionally substituted by one or two substituents, which are lower alkyl, —(CH2)n-aryl, hydroxy, halogen, lower alkoxy, morpholinyl, amino, lower alkylamino or —C(O)NR′2, and wherein R′ is lower alkyl or hydrogen, or is phenyl, optionally substituted by one or two substituents being halogen, lower alkyl, lower alkoxy, amino, di-lower alkyl amino, CF3, —OCF3, —NHC(O)lower alkyl, cyano, —C(O)-lower alkyl, —C(O)O-lower alkyl, —S-lower alkyl, —S(O)2NH-phenyl, —S(O)2-methylpiperazinyl; or is —NR′R″, wherein R′ and R″ are independently from each other hydrogen, —(CH2)nphenyl, which phenyl ring is optionally substituted by halogen or lower alkoxy, —CH(lower alkyl)-phenyl, indan-1-yl, 1,2,3,4-tetrahydro-naphthalen, or cycloalkyl; or is —O-phenyl, which phenyl ring is optionally substituted by halogen, lower alkyl or lower alkoxy, —O-tetrahydronaphthalenyl or —O—CH2-6-methyl-pyridin-2-yl; or is -benzo[1,3]dioxolyl, -1H-indol-5-yl, naphthyl, benzofuran-2-yl, 1,3,4,9-tetrahydro-b-carbolin-2-yl, piperidin-1-yl, pyrrolidin-1-yl, piperazin-4-yl-methyl or morpholinyl; R5 is —NR2, wherein R may be the same or different and is hydrogen, lower alkyl, phenyl, benzyl, —CO-lower alkyl, —CO-lower alkoxy, -lower alkenyl, —CO(CH2)n-phenyl or —COO(CH2)n-phenyl, wherein the phenyl ring is optionally substituted by CF3, lower alkoxy, halogen or lower alkyl, —CO(CH2)3-NHCO-lower alkoxy, —(CH2)n-phenyl, wherein the phenyl ring is optionally substituted by lower alkoxy, CF3 or halogen, or is 4,5-dihydro-1H-imidazol-2-yl-benzoic acid, 1,4,5,6-tetrahydro-pyrimidin-2-yl-benzoic acid or 4,5,6,7-tetrahydro-1H-[1,3]diazepin-2-yl-benzoic acid; n is 0-4 and their pharmaceutically acceptable salts

  该发明涉及以下式的化合物： 其中 R1是一个含有1至3个杂原子（N、O或S）的5或6元杂芳基团，该基团可以选择性地被一个或两个取代基取代，这些取代基可以是较低的烷基、—(CH2)nOH、卤素或较低的烷氧基，其中这些杂芳基团可以选择性地通过烷基或烯基基团与吡唑环连接，或者是苯基，可以选择性地被一个或两个取代基取代，这些取代基可以是较低的烷基、羟基较低烷基、卤素、羟基或较低的烷氧基，或者是—O(CH2)n、苯基、苯并呋喃基、吲哚基或苯并噻吩基，或者是—S-较低烷基； R2和R4彼此独立地是氢、氰基或—S(O)2-苯基； R3是氢、卤素或者是一个含有1至3个杂原子（N、O或S）的5或6元杂芳基团，该基团可以选择性地被一个或两个取代基取代，这些取代基可以是较低的烷基、—(CH2)n-芳基、羟基、卤素、较低的烷氧基、吗啉基、氨基、较低的烷基氨基或—C(O)NR′2，其中R′是较低的烷基或氢，或者是苯基，可以选择性地被一个或两个取代基取代，这些取代基可以是卤素、较低的烷基、较低的烷氧基、氨基、二较低烷基氨基、三氟甲基、—OCF3、—NHC(O)较低烷基、氰基、—C(O)-较低烷基、—C(O)O-较低烷基、—S-较低烷基、—S(O)2NH-苯基、—S(O)2-甲基哌嗪基；或者是—NR′R″，其中R′和R″彼此独立地是氢、—(CH2)n苯基，该苯环可以选择性地被卤素或较低的烷氧基取代，—CH(较低烷基)-苯基、茚基、1,2,3,4-四氢萘基，或环烷基；或者是—O-苯基，该苯环可以选择性地被卤素、较低的烷基或较低的烷氧基取代，—O-四氢萘基或—O—CH2-6-甲基吡啶-2-基；或者是-苯并[1,3]二噁咯基、-1H-吲哚-5-基、萘基、苯并呋喃-2-基、1,3,4,9-四氢-β-咔啉-2-基、哌啶-1-基、吡咯烷-1-基、哌嗪-4-基-甲基或吗啉基； R5是—NR2，其中R可以相同也可以不同，是氢、较低的烷基、苯基、苄基、—CO-较低烷基、—CO-较低烷氧基、-较低烯基、—CO(CH2)n-苯基或—COO(CH2)n-苯基，其中苯环可以选择性地被三氟甲基、较低的烷氧基、卤素或较低的烷基取代，—CO(CH2)3-NHCO-较低烷氧基、—(CH2)n-苯基，其中苯环可以选择性地被较低的烷氧基、三氟甲基或卤素取代，或者是4,5-二氢-1H-咪唑-2-基-苯甲酸、1,4,5,6-四氢-嘧啶-2-基-苯甲酸或4,5,6,7-四氢-1H-[1,3]二氮杂环己-2-基-苯甲酸； n为0-4 及其药学上可接受的盐
• [EN] PYRROLOPYRAZINE KINASE INHIBITORS<br/>[FR] INHIBITEURS DE PYRROLOPYRAZINE KINASE
  申请人：HOFFMANN LA ROCHE

  公开号：WO2013030138A1

  公开（公告）日：2013-03-07

  The present invention relates to the use of novel pyrrolopyrazine derivatives of Formula I, wherein the variables are defined as described herein, which inhibit JAK and SYK and are useful for the treatment of auto-immune and inflammatory diseases.

  本发明涉及式I的新型吡咯并吡嗪衍生物的使用，其中变量如本文所述定义，其抑制JAK和SYK，并可用于治疗自身免疫和炎症性疾病。
• AMINOPYRIMIDINYL COMPOUNDS
  申请人：Pfizer Inc.

  公开号：US20160052930A1

  公开（公告）日：2016-02-25

  A compound having the structure: or a pharmaceutically acceptable salt thereof, wherein X is N or CR, where R is hydrogen, deuterium, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 3 -C 6 cycloalkyl, aryl, heteroaryl, aryl(C 1 -C 6 alkyl), CN, amino, alkylamino, dialkylamino, CF 3 , or hydroxyl; A is selected from the group consisting of a bond, C═O, —SO 2 —, —(C═O)NR 0 —, and —(CR a R b ) q —, where R 0 is H or C 1 -C 4 alkyl, and R a and R b are independently hydrogen, deuterium, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, aryl, aryl(C 1 -C 6 alkyl), heteroaryl, (C 1 -C 6 alkyl)heteroaryl, etc.; A′ is selected from the group consisting of a bond, C═O, —SO 2 —, —(C═O)NR 0 ′, —NR 0 ′(C═O)—, and —(CR a ′R b ′) q —, where R 0 ′ is H or C 1 -C 4 alkyl, and R a ′ and R b ′ are independently hydrogen, deuterium, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, aryl, aryl(C 1 -C 6 alkyl), heteroaryl, (C 1 -C 6 alkyl)heteroaryl, heteroaryl(C 1 -C 6 alkyl), and heterocyclic(C 1 -C 6 alkyl); Z is —(CH 2 ) h — or a bond, where one or more methylene units are optionally substituted by one or more C 1 -C 3 alkyl, CN, OH, methoxy, or halo, and where said alkyl may be substituted by one or more fluorine atoms; R 1 and R 1 ′ are independently selected from the group consisting of hydrogen, deuterium, C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, aryl, heteroaryl, aryl(C 1 -C 6 alkyl), CN, etc., wherein said alkyl, aryl, cycloalkyl, heterocyclic, or heteroaryl is further optionally substituted with one or more substituents selected from the group consisting of C 1 -C 6 alkyl, halo, CN, C 1 -C 4 alkylamino, C 3 -C 6 cycloalkyl, etc.; R 2 is selected from the group consisting of hydrogen, deuterium, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, halo, and cyano, where said alkyl may be substituted by one or more fluorine atoms; R 3 is selected from the group consisting of hydrogen, deuterium, and amino; R 4 is monocyclic or bicyclic aryl or monocyclic or bicyclic heteroaryl wherein said aryl or heteroaryl is optionally substituted with one or more substituents selected from the group consisting of C 1 -C 6 alkyl, heterocycloalkyl, halo, C 3 -C 6 cycloalkyl, etc., where said alkyl, cycloalkyl, alkoxy, or heterocycloalkyl may be substituted by one or more C 1 -C 6 alkyl, halo, CN, OH, alkoxy, amino, —CO 2 H, —(CO)NH 2 , —(CO)NH(C 1 -C 6 alkyl), or —(CO)N(C 1 -C 6 alkyl) 2 , and where said alkyl may be further substituted by one or more fluorine atoms; R 5 is independently selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, and hydroxyl; h is 1, 2 or 3; j and k are independently 0, 1, 2, or 3; m and n are independently 0, 1 or 2; and, q is 0, 1 or 2. Also provided are methods of treatment as Janus Kinase inhibitors and pharmaceutical compositions containing the compounds of the invention and combinations with other therapeutic agents.

  一种具有以下结构的化合物：或其药学上可接受的盐，其中X为N或CR，其中R为氢、氘、C1-C4烷基、C1-C4烷氧基、C3-C6环烷基、芳基、杂芳基、芳基(C1-C6烷基)、CN、氨基、烷基氨基、二烷基氨基、CF3或羟基；A从以下群组中选择，即键，C═O，—SO2—，—(C═O)NR0—和—(CRaRb)q—，其中R0为H或C1-C4烷基，Ra和Rb独立地为氢、氘、C1-C6烷基、C3-C6环烷基、芳基、芳基(C1-C6烷基)、杂芳基，(C1-C6烷基)杂芳基等；A'从以下群组中选择，即键，C═O，—SO2—，—(C═O)NR0'，—NR0'(C═O)—和—(CRa'Rb')q—，其中R0'为H或C1-C4烷基，Ra'和Rb'独立地为氢、氘、C1-C6烷基、C3-C6环烷基、芳基、芳基(C1-C6烷基)、杂芳基，(C1-C6烷基)杂芳基，杂芳基(C1-C6烷基)和杂环(C1-C6烷基)；Z为—(CH2)h—或键，其中一个或多个亚甲基单元可以选择地被一个或多个C1-C3烷基、CN、OH、甲氧基或卤素取代，所述烷基可以被一个或多个氟原子取代；R1和R1'独立地从氢、氘、C1-C4烷基、C3-C6环烷基、芳基、杂芳基、芳基(C1-C6烷基)、CN等群组中选择，其中所述烷基、芳基、环烷基、杂环基或杂芳基可以进一步选择地被一个或多个来自C1-C6烷基、卤素、CN、C1-C4烷基氨基、C3-C6环烷基等群组的取代基取代；R2从氢、氘、C1-C6烷基、C3-C6环烷基、卤素和氰基等群组中选择，其中所述烷基可以被一个或多个氟原子取代；R3从氢、氘和氨基等群组中选择；R4为单环或双环芳基或单环或双环杂芳基，其中所述芳基或杂芳基可以选择地被一个或多个来自C1-C6烷基、杂环烷基、卤素、C3-C6环烷基等群组的取代基取代，其中所述烷基、环烷基、烷氧基或杂环烷基可以被一个或多个C1-C6烷基、卤素、CN、OH、烷氧基、氨基、—CO2H、—(CO)NH2、—(CO)NH(C1-C6烷基)或—(CO)N(C1-C6烷基)2取代，其中所述烷基可以进一步被一个或多个氟原子取代；R5独立地从氢、C1-C6烷基、C1-C6烷氧基和羟基等群组中选择；h为1、2或3；j和k可独立地为0、1、2或3；m和n可独立地为0、1或2；q为0、1或2。还提供了作为Janus激酶抑制剂的治疗方法和包含本发明化合物的药物组合物以及与其他治疗剂的组合。
• Nitrogen-Walk Approach to Explore Bioisosteric Replacements in a Series of Potent A_2B Adenosine Receptor Antagonists
  作者：Ana Mallo-Abreu、Rubén Prieto-Díaz、Willem Jespers、Jhonny Azuaje、Maria Majellaro、Carmen Velando、Xerardo García-Mera、Olga Caamaño、José Brea、María I. Loza、Hugo Gutiérrez-de-Terán、Eddy Sotelo

  DOI：10.1021/acs.jmedchem.0c00564

  日期：2020.7.23

  thiophene cores in a series of potent A2BAR antagonists has been carried out using the nitrogen-walk approach. A collection of 42 novel alkyl 4-substituted-2-methyl-1,4-dihydrobenzo[4,5]imidazo[1,2-a]pyrimidine-3-carboxylates, which contain 18 different pentagonal heterocyclic frameworks at position 4, was synthesized and evaluated. This study enabled the identification of new ligands that combine

  使用氮游走法已经对一系列有效的A 2B AR拮抗剂中的呋喃和噻吩核的生物立体替代物进行了系统的研究。收集了42种新颖的4-取代-2-甲基-1,4-二氢苯并[4,5]咪唑并[1,2 - a ]嘧啶-3-羧酸烷基酯，它们在4位含有18个不同的五角杂环骨架。综合和评估。这项研究使得能够鉴定结合了显着亲和力（K i<30 nM）和精湛的选择性。基于受体驱动的对接模型并包括系统的自由能扰动（FEP）研究，通过分子建模研究证实了所确定的构效关系（SAR）趋势。在优化配体中对CYP3A4和CYP2D6抑制活性的初步评估分别显示弱和可忽略的活性。验证了h A 2B AR与最有吸引力的新型拮抗剂（S）-18g（K i = 3.66 nM）的eutomer之间的立体定向相互作用。
• Pyrazoline Compounds
  申请人：Meyers Marvin J.

  公开号：US20080167294A1

  公开（公告）日：2008-07-10

  Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I: wherein R 1 , R 2 , R 3A , R 3B , R 4 , R 5 , R 6 , R 7 , R 8 , and X are as defined in the detailed description of the invention. Corresponding pharmaceutical compositions, methods of treatment, and intermediates are also disclosed.

  公开了化合物和药物可接受的盐，其中化合物具有公式I的结构:其中R1，R2，R3A，R3B，R4，R5，R6，R7，R8和X如发明的详细说明中所定义的那样。还公开了相应的药物组合物，治疗方法和中间体。