N-phenoxycarbonyl-phenylalanine

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: N-phenoxycarbonyl-phenylalanine
• 英文别名: N-Phenoxycarbonyl-phenylalanin；DL-N-Cbz-phenylalanine；N--Phenoxycarbonyl-L-phenylalanine；2-(phenoxycarbonylamino)-3-phenylpropanoic acid
• 化学式: C₁₆H₁₅NO₄
• 分子量: 285.299
• InChiKey: QAGUVKYLCYSVQT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  21
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  75.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  甲醇 、 N-phenoxycarbonyl-phenylalanine 在 三甲基氯硅烷 作用下， 反应 18.0h， 生成 Methyl 2-(phenoxycarbonylamino)-3-phenylpropanoate
  参考文献：
  名称：

  基于碳酸二苯酯的革命性无光气合成α-氨基酸N-羧基酐的方法是，通过将α-氨基酸转化为咪唑鎓盐而活化

  摘要：

  α-氨基酸咪唑鎓盐与碳酸二苯酯平稳反应，生成相应的氨基甲酸酯。通过添加羧酸使氨基甲酸酯活化以进行选择性环化，从而成功开发了一种无光气的合成α-氨基酸N-羧基酸酐（NCA）的新方法。

  DOI：

  10.1002/pola.24213
• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 在 盐酸 、 溶剂黄146 作用下， 生成 N-phenoxycarbonyl-phenylalanine
  参考文献：
  名称：

  Ishizuka, Nippon Kagaku Zasshi, 1955, vol. 76, p. 892,893

  摘要：

  DOI：

文献信息

• Etude comparative de la scission de divers groupes de blocage de la fonction ?-amino des acides amin�s
  作者：R. A. Boissonnas、G. Preitner

  DOI：10.1002/hlca.19530360418

  日期：——

  The scission of ten α-amino protecting groups under several conditions has been comparatively studied.

  已经比较研究了在几种条件下十个α-氨基保护基的断裂。
• ISOCYANATE PRODUCTION METHOD
  申请人：ASAHI KASEI KABUSHIKI KAISHA

  公开号：US20200115327A1

  公开（公告）日：2020-04-16

  An isocyanate production method according to the present invention is a method in which an isocyanate is produced by subjecting a carbamate to thermal decomposition, and includes: a step of preparing a mixture liquid containing the carbamate, an inactive solvent and a polyisocyanate compound; a step of conducting a thermal decomposition reaction of the carbamate by continuously introducing the mixture liquid into a thermal decomposition reactor; a step of collecting a low-boiling decomposition product by continuously extracting the low-boiling decomposition product in a gaseous state from the reactor, the low-boiling decomposition product having a boiling point lower than the polyisocyanate compound; and a step of collecting a high-boiling component by continuously extracting, from the reactor, a liquid phase component which is not collected in a gaseous state at the step of collecting the low-boiling decomposition product.

  根据本发明的一种异氰酸酯生产方法是一种通过将氨基甲酸酯经受热分解而生产异氰酸酯的方法，包括：准备含有氨基甲酸酯、无活性溶剂和多异氰酸酯化合物的混合液的步骤；通过持续将混合液引入热分解反应器对氨基甲酸酯进行热分解反应的步骤；通过持续从反应器中以气态形式提取低沸点分解产物的步骤，所述低沸点分解产物的沸点低于多异氰酸酯化合物；通过从反应器中持续提取未在收集低沸点分解产物的步骤中以气态形式收集的液相组分的步骤来收集高沸点组分。
• METHOD OF RESOLVING OPTICAL ISOMERS OF AMINO ACID DERIVATIVE
  申请人：TOKUYAMA CORPORATION

  公开号：EP1338588A1

  公开（公告）日：2003-08-27

  Provided is a separating method for an optical isomer mixture comprising the steps of mixing an amino acid derivative such as N-(tert-butoxycarbonyl)-DL-alanine in which optical isomers of a D type and an L type are present in a mixture with a hydrophilic compound such as β-cyclodextrin having a different affinity to two kinds of the optical isomers described above and then bringing the resulting aqueous solution or aqueous suspension into contact with a hydrophobic substance such as a solid matter subjected on a surface thereof to hydrophobic treatment on the condition that the pH is 3.5 or lower or under the coexistence of ions including an atomic group having hydrophobicity which can be a counter ion for the amino acid derivative described above such as a triethylammonium ion to thereby separate the D type amino acid derivative from the L type amino acid derivative present in the above aqueous solution or aqueous suspension.

  本发明提供了一种光学异构体混合物的分离方法，该方法包括以下步骤：将氨基酸衍生物（如 N-(叔丁氧羰基)-DL-丙氨酸）与亲水性化合物（如对上述两种光学异构体具有不同亲和力的 β-环糊精）混合，在混合物中存在 D 型和 L 型光学异构体。对上述两种光学异构体具有不同亲和力的环糊精的混合物，然后将所得水溶液或水悬浮液与疏水性物质接触，如在其表面进行疏水处理的固体物质，条件是 pH 值为 3.5或更低的pH值，或在包括具有疏水性的原子团的离子共存的条件下，该原子团可以是上述氨基酸衍生物的反离子，例如三乙基铵离子，从而将上述水溶液或水悬浮液中的D型氨基酸衍生物与L型氨基酸衍生物分离。
• Isocyanate production method
  申请人：ASAHI KASEI KABUSHIKI KAISHA

  公开号：US10968168B2

  公开（公告）日：2021-04-06

  An isocyanate production method according to the present invention is a method in which an isocyanate is produced by subjecting a carbamate to thermal decomposition, and includes: a step of preparing a mixture liquid containing the carbamate, an inactive solvent and a polyisocyanate compound; a step of conducting a thermal decomposition reaction of the carbamate by continuously introducing the mixture liquid into a thermal decomposition reactor; a step of collecting a low-boiling decomposition product by continuously extracting the low-boiling decomposition product in a gaseous state from the reactor, the low-boiling decomposition product having a boiling point lower than the polyisocyanate compound; and a step of collecting a high-boiling component by continuously extracting, from the reactor, a liquid phase component which is not collected in a gaseous state at the step of collecting the low-boiling decomposition product.

  根据本发明的异氰酸酯生产方法，是一种通过使氨基甲酸酯进行热分解来生产异氰酸酯的方法，其中包括第一步：制备含有氨基甲酸酯、非活性溶剂和多异氰酸酯化合物的混合液； 第二步：将混合液连续引入热分解反应器，进行氨基甲酸酯的热分解反应；收集低沸点分解产物的步骤，从反应器中连续提取气态的低沸点分解产物，低沸点分解产物的沸点低于多异氰酸酯化合物；以及 收集高沸点组分的步骤，从反应器中连续提取在收集低沸点分解产物步骤中未收集到的气态液相组分。
• [EN] 2-AMINO-QUINAZOLINE DERIVATIVES USEFUL AS INHIBITORS OF BETA-SECRETASE (BACE)<br/>[FR] NOUVEAUX DERIVES DE 2-AMINO-QUINAZOLINE UTILES EN TANT QU'INHIBITEURS DE LA $G(B)-SECRETASE (BACE)
  申请人：JANSSEN PHARMACEUTICA NV

  公开号：WO2006017836A3

  公开（公告）日：2006-06-29