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2,4,6-triphenyl-2H-pyran | 23800-59-1

中文名称
——
中文别名
——
英文名称
2,4,6-triphenyl-2H-pyran
英文别名
2,4,6-Triphenylpyryan;2,4,6-triphenyl-2H-pyran
2,4,6-triphenyl-2<i>H</i>-pyran化学式
CAS
23800-59-1
化学式
C23H18O
mdl
——
分子量
310.395
InChiKey
KUHNKPPTNDJROM-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

  • 熔点:
    121 °C
  • 沸点:
    502.2±50.0 °C(Predicted)
  • 密度:
    1.138±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    5.6
  • 重原子数:
    24
  • 可旋转键数:
    3
  • 环数:
    4.0
  • sp3杂化的碳原子比例:
    0.04
  • 拓扑面积:
    9.2
  • 氢给体数:
    0
  • 氢受体数:
    1

反应信息

  • 作为产物:
    参考文献:
    名称:
    Dilthey, Journal fur praktische Chemie (Leipzig 1954), 1921, vol. <2> 101, p. 195
    摘要:
    DOI:
  • 作为试剂:
    描述:
    溴化2,3,4,5,6,-五溴苄酯2,4,6-triphenyl-2H-pyran 作用下, 以 异丙醇 为溶剂, 反应 2.0h, 以9%的产率得到十溴二苯乙烷
    参考文献:
    名称:
    Reaction of 2,3,4,5,6-pentabromobenzyl bromide with 2,4,6-triphenylpyranyl
    摘要:
    2,4,6-三苯基吡喃与2,3,4,5,6-五溴苄基溴在异丙醇中的主要反应过程是电子转移,生成2,4,6-三苯基吡喃鎓溴化物和2,3,4,5,6-五溴苄基自由基。
    DOI:
    10.1007/s11176-005-0019-2
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文献信息

  • Inhibitors of P2X3
    申请人:Brotherton-Pleiss E. Christine
    公开号:US20070037974A1
    公开(公告)日:2007-02-15
    Compounds of formula 1 are modulators of P2X3 useful for the treatment of pain and genito-urinary, gastrointestinal, and respiratory disorders: wherein R 1 is —C(═S)CH 3 , pyridyl, pyrimidinyl, pyrazinyl, thiazolyl, furyl, furylcarbonyl, acetyl, or carbamoyl; R 2a and R 2b are independently H, methyl, or ethyl; R 3 is H or methyl; Y is a bond, —(CR 4 R 5 ) n — or —CR 4 ═CR 5 —; wherein R 4 and R 5 are each independently H or methyl and n is 1 or 2; X is N or CH; A is phenyl, 5-membered heterocyclyl, or 6-membered heterocyclyl; R 6 , R 7 and R 8 are each independently H, halo, lower alkyl, cycloalkyl, alkylthio, alkylthio-lower alkyl, alkylsulfonyl-lower alkyl, di(lower alkyl)amino-lower alkyl, morpholinyl-lower alkyl, 4-methyl-piperazinyl-methyl, trifluoromethyl, pyridyl, tetrazolyl, thiophenyl, phenyl, biphenyl, or benzyl (where thiophenyl, phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoromethyl, lower alkoxy or lower alkylthio) or R 6 and R 7 together form a 5-membered or 6-membered carbocyclic or heterocyclic ring substituted with 0-3 substituents selected from the group consisting of lower alkyl, lower alkoxy, oxo, halo, thiophenyl-lower alkyl, phenyl, benzyl (where phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoro-methyl, lower alkoxy, lower alkylthio, amino-lower alkyl, lower alkylamino-lower alkyl, or di(lower alkyl)amino-lower alkyl); and pharmaceutically acceptable salts thereof; wherein when R 1 is pyrimidin-2-yl, X is N, Y is a bond and A is oxazol-5-yl the carbon atom at position 4 in said oxazol-5-yl is not substituted by propyl when the carbon atom at position 2 in said oxazol-5-yl is substituted by substituted phenyl and the carbon atom at position 4 in said oxazol-5-yl is not substituted by phenyl when the carbon atom at position 2 is substituted by unsubstituted or substituted phenyl.
    式1的化合物是P2X3的调节剂,用于治疗疼痛和泌尿生殖、胃肠和呼吸系统疾病: 其中 R 1 为—C(═S)CH 3 ,吡啶基,嘧啶基,吡嗪基,噻唑基,呋喃基,呋喃甲酰基,乙酰基或氨基甲酰基;R 2a 和R 2b 独立地为H,甲基或乙基;R 3 为H或甲基;Y为键,—(CR 4 R 5 ) n —或—CR 4 ═CR 5 —;其中R 4 和R 5 各自独立地为H或甲基,n为1或2;X为N或CH;A为苯基,5-成员杂环基或6-成员杂环基;R 6 ,R 7 和R 8 各自独立地为H,卤素,低碳基,环烷基,烷基硫醚,烷基硫醚-低碳基,烷基磺酰基-低碳基,二(低碳基)氨基-低碳基,吗啉基-低碳基,4-甲基哌嗪基-甲基,三氟甲基,吡啶基,四唑基,噻吩基,苯基,联苯基或苄基(其中噻吩基,苯基和苄基被0-3个低碳基,卤素,磺酰胺基,三氟甲基,低烷氧基或低烷硫基取代)或R 6 和R 7 一起形成一个被0-3个取自由低碳基,低烷氧基,氧代基,卤素,噻吩基-低碳基,苯基,苄基(其中苯基和苄基被0-3个低碳基,卤素,磺酰胺基,三氟甲基,低烷氧基,低烷硫基,氨基-低碳基,烷基氨基-低碳基或二(低碳基)氨基-低碳基取代)的5-成员或6-成员碳环或杂环取代环;及其药学上可接受的盐;其中当R 1 为嘧啶-2-基时,X为N,Y为键,A为噁唑-5-基时,所述噁唑-5-基中位置4的碳原子在所述噁唑-5-基中位置2的碳原子被取代的苯基取代时不被丙基取代,且所述噁唑-5-基中位置4的碳原子在位置2被取代的苯基取代时不被苯基取代。
  • A classical but new kinetic equation for hydride transfer reactions
    作者:Xiao-Qing Zhu、Fei-Huang Deng、Jin-Dong Yang、Xiu-Tao Li、Qiang Chen、Nan-Ping Lei、Fan-Kun Meng、Xiao-Peng Zhao、Su-Hui Han、Er-Jun Hao、Yuan-Yuan Mu
    DOI:10.1039/c3ob40831k
    日期:——
    activation energies of various hydride transfer reactions was developed according to transition state theory using the Morse-type free energy curves of hydride donors to release a hydride anion and hydride acceptors to capture a hydride anion and by which the activation energies of 187 typical hydride self-exchange reactions and more than thirty thousand hydride cross transfer reactions in acetonitrile were
    根据过渡态理论,使用氢化物​​供体的莫尔斯型自由能曲线释放氢化物阴离子和氢化物受体以捕获氢化物阴离子,开发了一种经典但新颖的动力学方程式,用于估算各种氢化物转移反应的活化能。 187个典型的氢化物自交换反应和超过3万个氢化物交叉转移反应的活化能 乙腈被安全地估计在这项工作中。由于动力学方程式的发展仅基于氢化物转移反应物的相关化学键变化,因此该动力学方程式也应适用于质子转移反应,氢原子转移反应以及所有其他涉及断裂和化学反应的化学反应。化学键的形成。这项工作最重要的贡献之一是实现了氢化物转移反应动力学方程和热力学方程的完美统一。
  • PROCESS FOR THE PRODUCTION OF TRIARYL ORGANOBORATES
    申请人:Covestro Deutschland AG
    公开号:US20190276479A1
    公开(公告)日:2019-09-12
    The invention relates to a process for preparing triaryl organoborates proceeding from alkyl or cycloalkyl boronates in the presence of an n-valent cation 1/n K n+ and to the use of these substances as co-initiator in photopolymer formulations.
    这项发明涉及一种制备三芳基有机硼酸盐的过程,该过程从烷基或环烷基硼酸盐在n价阳离子1/n Kn+存在下进行,并将这些物质用作光聚合物配方中的协同引发剂。
  • Substituent effects in reductions of heteroaromatic cations
    作者:David Heyes、Ramesh S. Menon、C. Ian. F. Watt、Jake Wiseman、Przemyslaw Kubinski
    DOI:10.1002/poc.532
    日期:2002.10
    structural features in the cations, radicals and anions in each series. Rates and products were determined for reductions of the pyrylium and thiopyrylium cations by sodium cyanoborohydride and of all cations by sodium borohydride in acetonitrile solution. Reactions are first order in reducing agent and cation. Primary kinetic isotope effects were determined for borohydride reduction of the least reactive
    制备一组在苯环中带有一系列取代基的2,4,6-三苯基吡啶鎓,-硫代吡啶鎓和-N-甲基吡啶鎓四氟硼酸酯中的每一个。确定了第一和第二波降低电位。对于thiopyrylium系列,标度势(E°/ 0.05915)和苯基侧基中取代基的哈米特常数总和(第一波和第二波分别为2.29和3.38)。对于吡咯鎓系列,对于第一波降低电势的所有取代基模式,都获得了良好的线性关系(σ= 2.79),但是对于第二波,对于4-苯基中带有取代基的盐和那些带有取代基的盐,它们具有独立的相关性。在2-和6-苯基上。对于吡啶鎓系列,对于在4-苯基中带有取代基的盐与在2-苯基和6-苯基中带有取代基的盐,第一波电势显示出独立的相关性,但是对于第二个波电势则具有单一的线性关系。这些与每个系列的阳离子,自由基和阴离子中的特定结构特征有关。确定了在乙腈溶液中氰基硼氢化钠还原吡喃鎓和硫代吡啶鎓阳离子以及所有阳离子通过硼氢化钠还原的速率和
  • METHOD FOR PRODUCING TRIARYLORGANOBORATES
    申请人:Covestro Deutschland AG
    公开号:US20190263838A1
    公开(公告)日:2019-08-29
    The invention relates to a process for preparing triaryl organoborates proceeding from organoboronic esters in the presence of an n-valent cation 1/n K n+ , comprising the anhydrous workup of the reaction mixture and the use of the triaryl organoborates obtained as co-initiator in photopolymer formulations, holographic media and holograms.
    该发明涉及一种从有机硼酸酯出发制备三芳基有机硼酸酯的方法,该方法在n价阳离子1/n Kn+存在下进行,包括对反应混合物进行无水处理和使用所得的三芳基有机硼酸酯作为光聚合物配方、全息介质和全息图中的共同引发剂。
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