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5-溴-1-(4-氟苯基)-酞内酯 | 64169-66-0

中文名称
5-溴-1-(4-氟苯基)-酞内酯
中文别名
——
英文名称
5-bromo-1-(4-fluorophenyl)phthalan
英文别名
5-bromo-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran;5-Brom-1-(4-fluorphenyl)-phthalan;1-(4'-fluorophenyl)-5-bromophthalane;1-(4-fluorophenyl)-5-bromophthalan;5-bromo-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran
5-溴-1-(4-氟苯基)-酞内酯化学式
CAS
64169-66-0
化学式
C14H10BrFO
mdl
——
分子量
293.135
InChiKey
JMRFFXXIKAWNQQ-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:
    45 °C(Solv: hexane (110-54-3))
  • 沸点:
    163-177 °C(Press: 0.4 Torr)
  • 密度:
    1.509±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    3.6
  • 重原子数:
    17
  • 可旋转键数:
    1
  • 环数:
    3.0
  • sp3杂化的碳原子比例:
    0.14
  • 拓扑面积:
    9.2
  • 氢给体数:
    0
  • 氢受体数:
    2

安全信息

  • 海关编码:
    2932999099

SDS

SDS:8b249508c6756a2088e9a532f38308c1
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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

  • 作为反应物:
    描述:
    5-溴-1-(4-氟苯基)-酞内酯 在 sodium hydride 作用下, 以 二甲基亚砜N,N-二甲基甲酰胺 、 paraffin oil 为溶剂, 反应 5.0h, 生成 西酞普兰
    参考文献:
    名称:
    Reddy, M. Pulla; Bhujanga Rao; Usharani, Asian Journal of Chemistry, 2011, vol. 23, # 4, p. 1829 - 1832
    摘要:
    DOI:
  • 作为产物:
    描述:
    4-氟苯甲酰肼吡啶 、 sodium tetrahydroborate 、 lead(IV) tetraacetate 、 对甲苯磺酸溶剂黄146 作用下, 以 四氢呋喃甲醇甲苯 为溶剂, 反应 12.25h, 生成 5-溴-1-(4-氟苯基)-酞内酯
    参考文献:
    名称:
    从水杨醛高效合成功能化的1,3-二氢异苯并呋喃:在依他普仑合成中的应用
    摘要:
    摘要开发了一种高效合成取代的1,3-二氢异苯并呋喃的方法。在这种新颖的途径中,可以通过水杨醛的N-芳酰基hydr的四乙酸铅氧化得到作为关键中间体的o-芳酰基苯甲醛。温和而通用的策略可以高产率地合成各种取代的1,3-二氢异苯并呋喃。而且,该方法可以用于有效地合成依他普仑。
    DOI:
    10.1016/j.cclet.2014.01.017
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文献信息

  • [EN] PROCESS FOR THE PREPARATION OF HIGH PURITY CITALOPRAM AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS<br/>[FR] PROCEDE DE PREPARATION DE CITALOPRAM HAUTE PURETE ET DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
    申请人:NATCO PHARMA LTD
    公开号:WO2004016602A1
    公开(公告)日:2004-02-26
    This invention discloses an improved process for the preparation of high purity citalopram base and its hydrobromide salt of formulae (I) and (Ia): which comprises: i. Isolation of crude citalopram base after water work up of the reaction into a non polar aromatic or dialkyl ether solvent. ii. Extraction of the citalopram base into aqueous organic acid. iii. Neutralization of acid layer with organic base to a controlled pH (7.0-8.0) iv. Extraction of the pure base into a non-polar aromatic or dialkyl ether solvent and crytallization form the same solvent after concentrating to certain volume under reduced pressure. v. Preparation of high purity citalopram hydrobromide in a non-polar aromatic or dialkyl ether solvent using 40-50 % HBr in acetic acid as HBr source and crystallizing out form the same solvent. Alternatively preparation of HBr salt in aqueous medium using aqueous HBr and crystallizing out from the same medium at 0 10 °C. vi. Recrystallization of high purity citalopram hydrobromide salt of pharmaceutically acceptable grade form a mixture of alcoholic solvent.
    这项发明揭示了一种改进的高纯度西酞普兰碱及其盐的制备过程,其化学式为(I)和(Ia):包括:i. 在反应水处理后将粗西酞普兰碱分离到非极性芳香烃或二烷基醚溶剂中。ii. 将西酞普兰碱萃取到含水有机酸中。iii. 用有机碱将酸层中和至控制的pH值(7.0-8.0)。iv. 将纯碱萃取到非极性芳香烃或二烷基醚溶剂中,并在减压下浓缩至一定体积后从相同溶剂中结晶。v. 在非极性芳香烃或二烷基醚溶剂中使用40-50%HBr乙酸中的HBr作为HBr来源制备高纯度西酞普兰盐,并从相同溶剂中结晶出来。或者在水介质中使用水溶性HBr制备HBr盐,并在0-10°C下从相同介质中结晶出来。vi. 从醇溶剂混合物中重新结晶出药用级高纯度西酞普兰盐。
  • [EN] IMPROVED PROCESS FOR THE PREPARATION OF 5-SUBSTITUTED-1-(4-­FLUOROPHENYL)-1,3-DIHYDROISOBENZOFURANS<br/>[FR] PROCEDE AMELIORE DE PREPARATION DE 1-(4-FLUOROPHENYL)-1,3-DIHYDROISOBENZOFURANES 5-SUBSTITUES
    申请人:JUBILANT ORGANOSYS LTD
    公开号:WO2004020425A1
    公开(公告)日:2004-03-11
    The present invention provides a process for the preparation of a 5-substituted-l-(4-fluorophenyl)-1,3-dihydro-isobenzofuran of Formula (2), an intermediate for the manufacture of citalopram, which process comprises: (a) carrying out a Grignard reaction on a corresponding 5-substituted phthalide of Formula (3) in a co-solvent system, comprising adding (i) prepared 4-fluorophenyl magnesium halide in an ether solvent to (ii) the 5-substituted phthalide in a suitable organic co-solvent to the ether solvent, to form a corresponding 4-substituted-2-hydroxymethyl-4'-fluorobenzophenone of Formula (4); (b) carrying out a ketone reduction of the 4-substituted-2-hydroxymethyl-4'-fluorobenzophenone of Formula (4) following the Grignard reaction, to form a corresponding 4-substituted-2-hydroxymethylphenyl- 1-(4-fluorophenyl) methanol of Formula (5); and (c) carrying out a cyclisation reaction on the 4-substituted-2 hydroxymethylphenyl- 1-(4-fluorophenyl) methanol of Formula (5) following the reduction reaction, to form said intermediate of Formula (2); wherein R represents Br or CN.
    本发明提供了一种制备5-取代-1-(4-氟苯基)-1,3-二氢异苯并呋喃的方法,该方法为西酞普兰的制造提供了一种中间体,其过程包括:(a)在共溶剂体系中对相应的5-取代邻苯二甲酰亚胺进行格氏试剂反应,包括将(i)预先制备的4-氟苯基镁卤化物在醚溶剂中加入到(ii)适当的有机共溶剂中的5-取代邻苯二甲酰亚胺中,以形成相应的4-取代-2-羟甲基-4'-氟苯并酮的化合物(4);(b)在格氏试剂反应后对化合物(4)进行酮还原,以形成相应的4-取代-2-羟甲基苯基-1-(4-氟苯基)甲醇的化合物(5);和(c)在还原反应后对化合物(5)进行环化反应,以形成所述的化合物(2)的中间体;其中R代表Br或CN。
  • [EN] PROCESS FOR PREPARING 5-SUBSTITUTED -1-(4-FLUOROPHENYL) -1,3-DIHYDROISOBENZOFURANS<br/>[FR] PROCEDE DE PREPARATION DE 1-(4-FLUOROPHENYLE) -1,3-DIHYDROISOBENZOFURANES SUBSTITUES EN 5
    申请人:JUBILANT ORGANOSYS LTD
    公开号:WO2005066185A1
    公开(公告)日:2005-07-21
    The present invention relates to a method for preparation and isolation of hitherto unknown solid boron complex of formula (v), which are obtained when 5-substituted phthalides are reacted with a solution of 4-fluorophenylmagnesiumbromide, followed by in situ reduction and complex formation in the presence of sodiumborohydride. Such boron complexes can be conveniently filtered to remove structurally similar impurities and subsequently subjected to cyclisation reaction in acidic medium to get high pure 5-substituted phthalens, which are key starting materials for manufacturing citalopram and pharmaceutically acceptable acid addition salts.
    本发明涉及一种制备和分离迄今为止未知的固态硼配合物的方法,该配合物的化学式为(v),当5-取代邻苯二酸酯与4-氟苯基溴化镁的溶液反应后,在钠硼氢化物存在下原位还原和配合形成时得到。这种硼配合物可以方便地过滤以去除结构类似的杂质,并随后在酸性介质中进行环化反应以获得高纯度的5-取代邻苯二酚,这是制造西酞普兰和药用可接受的酸盐的关键起始材料。
  • Anti-depressive substituted 1-dimethylaminopropyl-1-phenyl phthalans
    申请人:Kefalas A/S
    公开号:US04136193A1
    公开(公告)日:1979-01-23
    The present invention relates to phthalans of the following general formula: ##STR1## wherein R.sup.1 and R.sup.2 each represents halogen, a trifluoromethyl group, a cyano group or R--CO-- wherein R is an alkyl-radical with from 1-4 C-atoms inclusive, as well as acid addition salts thereof with pharmaceutically acceptable acids.
    本发明涉及以下一般式的邻苯二甲酸酯:##STR1##其中R.sup.1和R.sup.2分别代表卤素,三氟甲基基团,氰基或R-CO-,其中R是具有1-4个C原子的烷基基团,以及其与药学上可接受的酸形成的酸加成盐。
  • Process for the preparation of 5-substituted-1-(4-fluorophenyl)-1,3-dihydroisobenzofurans
    申请人:Narahari Babu Ambati
    公开号:US20060116522A1
    公开(公告)日:2006-06-01
    The present invention provides a process for the preparation of a 5-substituted-1-(4-fluorophenyl)-1,3-dihydro-isoben-zofuran of Formula (2), an intermediate for the manufacture of citalopram, which process comprises: (a) carrying out a Grignard reaction on a corresponding 5-substituted phthalide of Formula (3) in a co-solvent system, comprising adding (i) prepared 4-fluorophenyl magnesium halide in an ether solvent to (ii) the 5-substituted phthalide in a suitable organic co-solvent to the ether solvent, to form a corresponding 4-substituted-2-hydroxymethyl-4′-fluorobenzophenone of Formula (4); (b) carrying out a ketone reduction of the 4-substituted-2-hydroxymethyl-4′-fluorobenzophenone of Formula (4) following the Grignard reaction, to form a corresponding 4-substituted-2-hydroxymethylphenyl-1-(4-fluorophenyl) methanol of Formula (5); and (c) carrying out a cyclisation reaction on the 4-substituted-2 hydroxymethylphenyl-1-(4-fluorophenyl) methanol of Formula (5) following the reduction reaction, to form said intermediate of Formula (2); wherein R represents Br or CN.
    本发明提供一种制备5-取代-1-(4-氟苯基)-1,3-二氢异苯并呋喃(式(2))的过程,该过程是制造舍曲林的中间体,包括以下步骤:(a)在共溶剂体系中对应的5-取代邻苯二酸酐(式(3))进行格氏试剂反应,包括将(i)制备的4-氟苯基镁卤化物在醚溶剂中加入(ii)适当的有机共溶剂到醚溶剂中的5-取代邻苯二酸酐,形成相应的4-取代-2-羟甲基-4'-氟苯基苯甲酮(式(4));(b)在格氏试剂反应后对式(4)中的4-取代-2-羟甲基-4'-氟苯基苯甲酮进行酮还原反应,形成相应的4-取代-2-羟甲基苯基-1-(4-氟苯基)甲醇(式(5));(c)在还原反应后对式(5)中的4-取代-2-羟甲基苯基-1-(4-氟苯基)甲醇进行环化反应,形成所述的中间体(式(2));其中R代表Br或CN。
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