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1-甲基-5-(二氟甲基)-1H-吡唑-4-羧酸乙酯 | 851725-98-9

中文名称
1-甲基-5-(二氟甲基)-1H-吡唑-4-羧酸乙酯
中文别名
乙基-甲基-5-(二氟)-1H-吡唑-4-羧酸;1-甲基-5-二氟甲基-1H-吡唑-4-羧酸乙酯;5-(二氟甲基)-1-甲基-1H-吡唑-4-羧酸乙酯;5-(二氟)-1-甲基-1H-吡唑-4-羧酸乙酯
英文名称
ethyl 1-methyl-5-difluoromethylpyrazole-4-carboxylate
英文别名
Ethyl 5-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate;ethyl 5-(difluoromethyl)-1-methylpyrazole-4-carboxylate
1-甲基-5-(二氟甲基)-1H-吡唑-4-羧酸乙酯化学式
CAS
851725-98-9
化学式
C8H10F2N2O2
mdl
——
分子量
204.176
InChiKey
AYCXDJXKBPZTTR-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

物化性质

  • 沸点:
    288.4±40.0 °C(Predicted)
  • 密度:
    1.30±0.1 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    1.1
  • 重原子数:
    14
  • 可旋转键数:
    4
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.5
  • 拓扑面积:
    44.1
  • 氢给体数:
    0
  • 氢受体数:
    5

安全信息

  • 海关编码:
    2933199090
  • 危险性防范说明:
    P261,P264,P270,P271,P280,P301+P312,P302+P352,P304+P340,P305+P351+P338,P330,P332+P313,P337+P313,P362,P403+P233,P405,P501
  • 危险性描述:
    H302,H315,H319,H335
  • 储存条件:
    2-8°C,惰性气体

SDS

SDS:5dc5f3db03b0bfbceacd699b620c0031
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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

  • Method for preparing 1,3,4-substituted pyrazol compounds
    申请人:Wolf Bernd
    公开号:US20110172436A1
    公开(公告)日:2011-07-14
    The invention provides an Ethernet bridge or router comprising a network fabric adapted to provide interconnectivity to a plurality of Ethernet ports, each of the Ethernet ports being adapted to receive and/or transmit Ethernet frames, and wherein the Ethernet bridge or router further comprises an encapsulator connected to receive Ethernet Protocol Data Units from the Ethernet ports, wherein the encapsulator is operable to generate a Fabric Protocol Data Unit from a received Ethernet Protocol Data Unit, the Fabric Protocol Data Unit comprising a header portion, and a payload portion which comprises the Ethernet Protocol Data Unit concerned, and wherein the encapsulator is operable to transform Ethernet destination address information from the Ethernet Protocol Data Unit into a routing definition for the network fabric, and to include this routing definition in the header portion of the Fabric Protocol Data Unit. Also provided is a method of data delivery across a network.
    该发明提供了一种以太网桥或路由器,包括一个网络结构,适用于为多个以太网端口提供互连性,每个以太网端口适用于接收和/或传输以太网帧,以及该以太网桥或路由器进一步包括一个封装器,连接到以太网端口以接收以太网协议数据单元,其中该封装器能够从接收到的以太网协议数据单元生成一个面向网络结构的协议数据单元,该面向网络结构的协议数据单元包括一个头部部分和一个负载部分,该负载部分包括所涉及的以太网协议数据单元,该封装器能够将以太网协议数据单元中的目的地址信息转换为网络结构的路由定义,并将该路由定义包含在面向网络结构的协议数据单元的头部部分中。还提供了一种通过网络进行数据传递的方法。
  • METHOD FOR PRODUCING 1-SUBSTITUTED-3-FLUOROALKYLPYRAZOLE-4-CARBOXYLIC ACID ESTER
    申请人:TAMA KAGAKU KOGYO CO., LTD
    公开号:US20150218105A1
    公开(公告)日:2015-08-06
    The present invention is a method for producing a 1-substituted-3-fluoroalkylpyrazole-4-caroxylic acid ester, the method comprising a step of adding, to a first reaction liquid containing an alkyl hydrazine and a first organic solvent, a second reaction liquid containing an acyl acetic acid ester derivative and a second organic solvent in 0.5 to 30 hours to react the first reaction liquid with the second reaction liquid at a reaction temperature of −5 to 80° C. under stirring in the absence of a base and an acid, wherein the first organic solvent and the second organic solvent are each at least any one of benzene, toluene, xylene, chlorobenzene, dichlorobenzene, ethyl acetate, butyl acetate, and dimethyl carbonate, a total mass of the first organic solvent and the second organic solvent is 1 to 60 times a mass of the acyl acetic acid ester derivative, and an amount of the first organic solvent in a total amount of the first organic solvent and the second organic solvent is 40 to 95% by mass.
    本发明是一种生产1-取代-3-氟烷基吡唑-4-羧酸酯的方法,该方法包括向含有烷基肼和第一有机溶剂的第一反应液中加入含有酰乙酸酯衍生物和第二有机溶剂的第二反应液,反应时间为0.5至30小时,在-5至80°C的反应温度下,在无碱和酸的情况下搅拌反应第一反应液和第二反应液,其中第一有机溶剂和第二有机溶剂至少为苯、甲苯、二甲苯、氯苯、二氯苯、乙酸乙酯、丁酸乙酯和碳酸二甲酯中的任意一种,第一有机溶剂和第二有机溶剂的总质量为酰乙酸酯衍生物质量的1至60倍,第一有机溶剂在第一有机溶剂和第二有机溶剂的总量中所占的质量百分比为40至95%。
  • Process for preparing difluoromethylpyrazolyl carboxylates
    申请人:Sukopp Martin
    公开号:US20100069646A1
    公开(公告)日:2010-03-18
    The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylates of the formula I in which R 1 is C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, etc.; and R 2 is hydrogen, C 1 -C 4 -alkyl, benzyl or phenyl, wherein a) a compound of the general formula II in which X is fluorine, chlorine or bromine, R 1 has one of the meanings given above and R 4 is C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, C 2 -C 8 -alkenyl, benzyl or phenyl, is reacted with a silane compound of the general formula R 3 n SiCl (4-n) in which n is 1, 2 or 3 and the substituents R 3 are independently of one another selected from the group consisting of C 1 -C 8 -alkyl and phenyl and with a metal selected from the metals of groups 1, 2, 3, 4 and 12 of the Periodic Table of the Elements having a redox potential of less than −0.7 V, based on a normal hydrogen electrode (at 25° C. and 101.325 kPa); and b) the reaction mixture from step a) is reacted with a compound of the general formula III R 2 HN—NH 2 (III) in which R 2 has one of the meanings given above.
    本发明涉及一种制备式I的二氟甲基取代的吡唑-4-基羧酸酯的方法,其中R1为C1-C8烷基,C3-C8环烷基,C1-C4烷氧基-C1-C4烷基等;而R2为氢,C1-C4烷基,苄基或苯基,其中a)一种通式II的化合物,其中X为氟、氯或溴,R1具有上述给定含义之一,R4为C1-C8烷基,C3-C8环烷基,C2-C8烯基,苄基或苯基,与一种通式R3nSiCl(4-n)的硅烷化合物发生反应,其中n为1、2或3,取代基R3独立地选自由C1-C8烷基和苯基组成的组,以及选择自元素周期表第1、2、3、4和12族金属中具有比标准氢电极(在25°C和101.325 kPa下)的还原电位小于-0.7 V的金属进行反应;b)来自步骤a)的反应混合物与一种通式III的化合物R2HN—NH2(III)发生反应,其中R2具有上述给定含义之一。
  • [EN] IMPROVED PROCESS FOR THE PREPARATION OF ESTERS OF 1-H-PYRAZOLE-4-CARBOXYLIC ACIDS<br/>[FR] PROCÉDÉ PERFECTIONNÉ POUR LA PRÉPARATION D'ESTERS D'ACIDES 1H-PYRAZOLE-4-CARBOXYLIQUES
    申请人:SOLVAY
    公开号:WO2012025469A1
    公开(公告)日:2012-03-01
    Process for the manufacture of an ester of a 1-H-pyrazole-4-carboxylic acid of formula (I) wherein - R1 is H or an organic residue - R2 is H or an organic residue - R3 is H, an alkyl group having from 1 to 12 carbon atoms, an halogenated alkyl group having from 1 to 12 carbon atoms, an aralkyl group, an aryl group, a halogen. which comprises reacting a compound of formula (II): wherein R4 is C1-C8-alkyl, C3-C8-cycloalkyl, C2-C8-alkenyl, benzyl or phenyl,R1 and R3, are as defined above with a hydrazine of formula (III): R2NHNH2 (III) wherein R2 is as defined above, in the presence of an organic solvent comprising at least one halogen.
    制备1-H-吡唑-4-羧酸酯(化学式(I))的方法如下:其中- R1为H或有机残基,- R2为H或有机残基,- R3为H、含有1至12个碳原子的烷基、含有1至12个碳原子的卤代烷基、芳基烷基、芳基、卤素。该方法包括将化合物(II)与化学式(III)的肼在至少含有一种卤素的有机溶剂中反应。其中化合物(II)的化学式为:其中R4为C1-C8-烷基、C3-C8-环烷基、C2-C8-烯基、苄基或苯基,R1和R3如上定义,R2如上定义。
  • PRODUCING METHOD FOR 3-DIFLUOROMETHYLPYRAZOLE COMPOUND, PRODUCING METHOD FOR 3-DIFLUOROMETHYLPYRAZOLE-4-CARBOXYLIC ACID COMPOUND, AND PYRAZOLIDINE COMPOUND
    申请人:FUJIFILM Corporation
    公开号:US20210061766A1
    公开(公告)日:2021-03-04
    Provided are producing methods for a 3-difluoromethylpyrazole compound and a 3-difluoromethylpyrazole-4-carboxylic acid compound, which include, in a reaction solvent containing a specific solvent, subjecting a difluoroacetyl group-containing compound, a hydrazine compound, and formaldehyde to a cyclocondensation reaction, and subsequently oxidizing the obtained pyrazole compound precursor, and a pyrazolidine compound represented by a specific formula in these producing methods.
    提供了一种制备3-二氟甲基吡唑化合物和3-二氟甲基吡唑-4-羧酸化合物的方法,包括在含有特定溶剂的反应溶剂中,将含有二氟乙酰基基团的化合物、肼化合物和甲醛进行环缩合反应,然后氧化所得的吡唑化合物前体和这些制备方法中的特定公式所表示的吡唑烷化合物。
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