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6-硝基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯 | 30095-79-5

中文名称
6-硝基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
中文别名
——
英文名称
ethyl 6-nitro-4-oxo-4H-chromene-2-carboxylate
英文别名
6-Nitro-chromon-carbonsaeure-(2)-aethylester;4H-1-Benzopyran-2-carboxylic acid, 6-nitro-4-oxo-, ethyl ester;ethyl 6-nitro-4-oxochromene-2-carboxylate
6-硝基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯化学式
CAS
30095-79-5
化学式
C12H9NO6
mdl
——
分子量
263.207
InChiKey
RWGUGNHDBXRLSD-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:
    178-179 °C
  • 沸点:
    413.5±45.0 °C(Predicted)
  • 密度:
    1.453±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    2.2
  • 重原子数:
    19
  • 可旋转键数:
    3
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.17
  • 拓扑面积:
    98.4
  • 氢给体数:
    0
  • 氢受体数:
    6

安全信息

  • 海关编码:
    2918300090

SDS

SDS:5a014d3a861722cf53a52d41f0e1370b
查看

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:
    6-硝基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯 在 palladium 10% on activated carbon 、 氢气 作用下, 以 为溶剂, 以300 mg的产率得到6-氨基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
    参考文献:
    名称:
    [EN] NOVEL BIS-CHROMONE DERIVATIVES, METHODS FOR THEIR PREPARATION AND USES THEREOF
    [FR] NOUVEAUX DÉRIVÉS DE BIS-CHROMONE, LEURS PROCÉDÉS DE PRÉPARATION ET UTILISATIONS
    摘要:
    这项发明涉及新型双咖啡因衍生物,其制备方法及其治疗应用,特别是在涉及肥大细胞活化的疾病的治疗或预防中,如过敏性疾病。提供的是符合一般式(I)的化合物。
    公开号:
    WO2014098597A1
  • 作为产物:
    描述:
    2'-羟基苯乙酮硫酸硝酸sodium ethanolate 作用下, 以 乙醇 为溶剂, 反应 3.0h, 生成 6-硝基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
    参考文献:
    名称:
    [EN] NOVEL BIS-CHROMONE DERIVATIVES, METHODS FOR THEIR PREPARATION AND USES THEREOF
    [FR] NOUVEAUX DÉRIVÉS DE BIS-CHROMONE, LEURS PROCÉDÉS DE PRÉPARATION ET UTILISATIONS
    摘要:
    这项发明涉及新型双咖啡因衍生物,其制备方法及其治疗应用,特别是在涉及肥大细胞活化的疾病的治疗或预防中,如过敏性疾病。提供的是符合一般式(I)的化合物。
    公开号:
    WO2014098597A1
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文献信息

  • Synthesis of 2-Acyl substituted chromanes and intermediates thereof
    申请人:——
    公开号:US20030233002A1
    公开(公告)日:2003-12-18
    Novel processes for producing enantiomerically enriched and enantiomerically pure compositions of 2-acyl substituted chromane compounds, and 2-acylchromane compounds that are intermediates for producing platelet aggregation inhibitors and/or are themselves potent platelet aggregation inhibitors are disclosed. Further disclosed are processes for producing salts such as acid addition salts for such enantiomerically enriched compositions.
    本发明揭示了用于生产富含对映体和对映纯2-酰基取代基色酮化合物的新工艺,以及用于生产血小板聚集抑制剂的中间体2-酰基色酮化合物和/或它们本身是有效的血小板聚集抑制剂的工艺。还揭示了用于生产酸盐等对这些富含对映体的成分的工艺。
  • Process for producing chromone compound
    申请人:Hibino Hiroaki
    公开号:US20050085664A1
    公开(公告)日:2005-04-21
    A process for producing a dicarboxylic acid compound represented by the formula (4): wherein R 1 and R 2 are the same or different and each represents lower alkyl and the wavy line indicates that this compound is the E- or Z-isomer or a mixture of them, characterized by reacting a compound represented by the formula (2): wherein R 1 , R 2 and the wavy line have the same meanings as the above, and one of X 2 and X 3 represents hydrogen and the other represents halogen, with nitrophenol represented by the formula (3): in the presence of a base; a process for producing a nitrochromone compound represented by the formula (5): wherein R 1 has the same meaning as the above, characterized by reacting the dicarboxylic acid compound or carboxylic acid thereof with an acid; a process for producing an aminochromone compound which comprises reducing the nitrochromone compound; and a process for producing an amidochromone compound which comprises acylating the aminochromone compound are provided.
    提供一种制备式(4)的二羧酸化合物的方法,其中R1和R2相同或不同,每个代表低级烷基,波浪线表示该化合物是E或Z异构体或它们的混合物,其特征在于将式(2)的化合物与硝基酚在碱的存在下反应,式中R1、R2和波浪线的含义与上述相同,X2和X3中的一个代表氢,另一个代表卤素;提供一种制备式(5)的硝基香豆素化合物的方法,其中R1的含义与上述相同,其特征在于将二羧酸化合物或其羧酸与酸反应;提供一种制备氨基香豆素化合物的方法,其包括还原硝基香豆素化合物;以及提供一种制备酰胺香豆素化合物的方法,其包括酰化氨基香豆素化合物。
  • Synthesis of 2-acyl substituted chromanes and intermediates thereof
    申请人:Kanter James
    公开号:US06903227B2
    公开(公告)日:2005-06-07
    Novel processes for producing enantiomerically enriched and enantiomerically pure compositions of 2-acyl substituted chromane compounds, and 2-acylchromane compounds that are intermediates for producing platelet aggregation inhibitors and/or are themselves potent platelet aggregation inhibitors are disclosed. Further disclosed are processes for producing salts such as acid addition salts for such enantiomerically enriched compositions.
    本发明揭示了用于生产对映富集和对映纯的2-酰基取代的色满类化合物和2-酰基色满化合物的新工艺,这些化合物是用于生产血小板聚集抑制剂和/或本身是有效的血小板聚集抑制剂的中间体。进一步揭示了用于生产这种对映富集化合物的盐,例如酸加成盐的工艺。
  • Process of producing 2-cyano-4-oxo-4H-benzopyran compounds
    申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
    公开号:EP0634409A1
    公开(公告)日:1995-01-18
    There is disclosed a process of producing a 2-cyano-4-oxo-4H-benzopyran compound of the general formula (2): wherein R¹ and R² are independently hydrogen, halogen, hydroxy, C₁-C₅ alkyl, C₁-C₅ alkoxy, nitro or a group of the RCONH wherein R is C₁-C₂₀ alkyl, phenyl, phenyl-substituted (C₁-C₂₀)alkyl, phenyl(C₁-C₂₀)alkoxyphenyl or (C₁-C₂₀)alkoxyphenyl. This production process is characterized in that a carboxamide of the general formula (1): wherein R¹ and R² are each as defined above, is reacted with a dehydrating agent in the presence of a pyridine compound of the general formula (4): wherein A¹ and A² are independently hydrogen or C₁-C₅ alkyl. If the final product cannot be obtained as crystals having good filtration properties by ordinary treatments, a novel technique as disclosed herein can provide such crystals by dissolving the reaction product in an organic solvent insoluble or slightly soluble in water; pouring the resultant solution into water; and removing the organic solvent by distillation with stirring to effect the crystallization of the final product.
    本发明公开了一种通式(2)的 2-氰基-4-氧代-4H-苯并吡喃化合物的生产工艺: 其中 R¹ 和 R² 独立地为氢、卤素、羟基、C₁-C₅ 烷基、C₁-C₅ 烷氧基、硝基或 RCONH 的基团,其中 R 为 C₁-C₂₀ 烷基、苯基、苯基取代(C₁-C₂₀)烷基、苯基(C₁-C₂₀)烷氧基苯基或(C₁-C₂₀)烷氧基苯基。该生产工艺的特征在于通式(1)的羧酰胺: 其中 R¹ 和 R² 均如上定义,在通式(4)的吡啶化合物存在下与脱水剂反应: 其中 A¹ 和 A² 独立地为氢或 C₁-C₅ 烷基。如果通过普通的处理方法无法获得具有良好过滤性能的结晶体,那么本文公开的一种新技术可以提供这种结晶体,其方法是将反应产物溶解在不溶于水或微溶于水的有机溶剂中;将所得溶液倒入水中;然后在搅拌下通过蒸馏除去有机溶剂,以实现最终产物的结晶。
  • PROCESS FOR PRODUCING CHROMONE COMPOUND
    申请人:Sumitomo Chemical Company, Limited
    公开号:EP1479667A1
    公开(公告)日:2004-11-24
    A process for producing a dicarboxylic acid compound represented by the formula (4): wherein R1 and R2 are the same or different and each represents lower alkyl and the wavy line indicates that this compound is the E- or Z-isomer or a mixture of them, characterized by reacting a compound represented by the formula (2): wherein R1, R2 and the wavy line have the same meanings as the above, and one of X2 and X3 represents hydrogen and the other represents halogen, with nitrophenol represented by the formula (3): in the presence of a base; a process for producing a nitrochromone compound represented by the formula (5): wherein R1 has the same meaning as the above, characterized by reacting the dicarboxylic acid compound or carboxylic acid thereof with an acid; a process for producing an aminochromone compound which comprises reducing the nitrochromone compound; and a process for producing an amidochromone compound which comprises acylating the aminochromone compound are provided.
    一种生产由式(4)代表的二羧酸化合物的工艺: 其中 R1 和 R2 相同或不同,且各自代表低级烷基,波浪线表示该化合物为 E-或 Z-异构体或它们的混合物,其特征在于使式(2)所代表的化合物反应: 其中 R1、R2 和波浪线的含义与上述相同,X2 和 X3 中的一个代表氢,另一个代表卤素: 在碱存在下;生产式(5)代表的硝基色酮化合物的工艺: 其中 R1 的含义与上述相同,其特征在于使二羧酸化合物或其羧酸与酸反应;提供了一种生产氨基色素化合物的工艺,该工艺包括还原硝基色素化合物;以及一种生产氨基色素化合物的工艺,该工艺包括酰化氨基色素化合物。
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