L-2,5-二氟苯丙氨酸 | 31105-92-7

• 物质功能分类: 生物化工 - 氨基酸及其衍生物 - 苯丙氨酸类衍生物
• 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
• 中文名称: L-2,5-二氟苯丙氨酸
• 英文名称: (2S)-2-amino-3-(2,5-difluorophenyl)propanoic acid
• 英文别名: 2,5-Difluoro-L-phenylalanine；2,5-Difluorophenylalanine；(2S)-2-azaniumyl-3-(2,5-difluorophenyl)propanoate
• CAS: 31105-92-7
• 化学式: C₉H₉F₂NO₂
• 分子量: 201.173
• InChiKey: YHYQITHAFYELNW-QMMMGPOBSA-N

物化性质

• 沸点：
  304.2±42.0 °C(Predicted)
• 密度：
  1.379±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -1.2
• 重原子数：
  14
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.22
• 拓扑面积：
  63.3
• 氢给体数：
  2
• 氢受体数：
  5

安全信息

• 海关编码：
  2922499990
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335

反应信息

• 作为反应物：
  描述：

  L-2,5-二氟苯丙氨酸 在 sodium chloride 作用下， 以 甲醇 、 水 为溶剂， 生成
  参考文献：
  名称：

  使用IRMPD光谱法评估阴离子π效应对苯丙氨酸离子结构的影响†

  摘要：

  （PHEX 2卤化物结合的苯丙氨酸阴离子的气相结构-，X =氯-或Br - ）和五个氟化衍生物已经使用红外线多个光子解离（IRMPD）光谱鉴定。吸电子基团加到芳族环上形成了π-酸性体系，该体系使卤化物在环面上的稳定性进一步稳定。通过将IRMPD光谱与使用B3LYP / 6-311 ++ G（d，p）以及298 K焓和MP2（full）/ 6确定的吉布斯能量计算出的谐波和非谐波红外光谱进行比较，确定了详细的离子结构-311 ++ G（2d，2p）// B3LYP / 6-311 ++ G（d，p）和MP2（full）/ aug-cc-pVTZ // B3LYP / 6-311 ++ G（d，p ） 方法。PHEX -发现结构取决于阴离子的性质和环氟化的程度。建立了典型的异构体成为每种情况下的主要结构，但是添加卤化物显着缩小了两性离子势能表面的能隙。这使两性离子显示为较小的贡献者Phe35F的气相种群2氯-和PheF

  DOI：

  10.1039/c4cp03776f
• 作为产物：
  描述：

  2,5-二氟苄溴 在 sodium hydroxide 、 Aspergillus genus acylase 、 sodium ethanolate 、 sodium acetate 作用下， 以 甲醇 、 乙醇 、 对二甲苯 、 水 为溶剂， 反应 55.0h， 生成 L-2,5-二氟苯丙氨酸
  参考文献：
  名称：

  Synthesis of a complete set of l-difluorophenylalanines, l-(F2)Phe, as molecular explorers for the CH/π interaction between peptide ligand and receptor

  摘要：

  A complete set of difluorophenylalanines in the L-configuration [L-(F-2)Phe] (namely, L-(2,3-F-2)Phe, L-(2,4F(2))Phe, L-(2,5-F-2)Phe, L-(2,6-F-2)Phe, L-(3,4-F-2)Phe, L-(3,5-F-2)Phe) was prepared and incorporated into the thrombin receptor-tethered ligand peptide SFLLRNP to identify the phenyl hydrogens of the Phe-2 residue involved in the CH/pi receptor interaction. (C) 2000 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0040-4039(99)02191-7

文献信息

• BETA-AMINO HETEROCYCLIC DIPEPTIDYL PEPTIDASE INHIBITORS FOR THE TREATMENT OR PREVENTION OF DIABETES
  申请人：Merck Sharp & Dohme Corp.

  公开号：US20150359793A1

  公开（公告）日：2015-12-17

  The present invention is directed to compounds which are inhibitors of the dipeptidyl peptidase-IV enzyme (“DP-IV inhibitors”) and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.

  本发明涉及一种抑制二肽基肽酶-IV酶（“DP-IV抑制剂”）的化合物，该化合物在治疗或预防二肽基肽酶-IV酶参与的疾病中具有用途，如糖尿病，特别是2型糖尿病。该发明还涉及包含这些化合物的药物组合物，以及在预防或治疗二肽基肽酶-IV酶参与的这类疾病中使用这些化合物和组合物。
• [EN] 3-AMINO-4-PHENYLBUTANOIC ACID DERIVATIVES AS DIPEPTIDYL PEPTIDASE INHIBITORS FOR THE TREATMENT OR PREVENTION OF DIABETES<br/>[FR] DERIVES DE 3-AMINO-4-PHENYLBUTANOIQUE ACIDE UTILISES EN TANT QU'INHIBITEURS DE DIPEPTIDYL PEPTIDASE POUR LE TRAITEMENT OU LA PREVENTION DU DIABETE
  申请人：MERCK & CO INC

  公开号：WO2004058266A1

  公开（公告）日：2004-07-15

  The present invention is directed to 3-amino-4-phenylbutanoic acid derivatives which are inhibitors of the dipeptidyl peptidase-IV enzyme ('DP-IV inhibitors') and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.

  本发明涉及3-氨基-4-苯基丁酸衍生物，这些衍生物是二肽基肽酶-IV酶（'DP-IV抑制剂'）的抑制剂，并且在治疗或预防二肽基肽酶-IV酶参与的疾病中有用，如糖尿病，特别是2型糖尿病。该发明还涉及包含这些化合物的药物组合物以及在预防或治疗二肽基肽酶-IV酶参与的这类疾病中使用这些化合物和组合物。
• [EN] PIPECOLIC LINKER AND ITS USE FOR CHEMISTRY ON SOLID SUPPORT<br/>[FR] LIEUR PIPÉCOLIQUE ET SON UTILISATION POUR UNE CHIMIE SUR SUPPORT SOLIDE
  申请人：CENTRE NAT RECH SCIENT

  公开号：WO2010023295A1

  公开（公告）日：2010-03-04

  The present invention relates to a pipecolic linker and its use as a solid-phase linker in organic synthesis. Said pipecolic solid-phase linker may be used for coupling functional groups chosen between primary amines, secondary amines, aromatic amines, alcohols, phenols and thiols. In particular, said pipecolic solid-phase linker may be used for peptide or pseudopeptide synthesis, such as the reverse N to C peptide synthesis or the retro-inverso peptide synthesis, or for the synthesis of small organic molecules.

  本发明涉及一种吡啶哌酸链连接剂及其在有机合成中作为固相连接剂的用途。所述吡啶哌酸固相连接剂可用于将功能基团偶联在一起，这些功能基团可选择为一级胺、二级胺、芳香胺、醇、酚和硫醇。特别地，所述吡啶哌酸固相连接剂可用于肽或伪肽合成，例如反向N到C肽合成或反向逆转肽合成，或用于小有机分子的合成。
• Age Inhibitors
  申请人：Potier Pierre

  公开号：US20080249030A1

  公开（公告）日：2008-10-09

  The invention relates to a compound having general formula I, wherein: X represents CH 2 , C═O, C═S or CHOH, X represents CH 2 , C═O, C═S or CHOH, R 1 represents an amino acid which is optionally substituted by one or more halogen atoms, preferably fluorine, or by one or more CF 3 groups and n=0.1 or 2, or X represents CH 2 , C═O, C═S, CHOH, R 1 represents a peptide containing two amino acids, each amino acid being optionally substituted by one or more halogen atoms, preferably fluorine, or by one or more CF 3 groups and n=0 or 1, or XR 1 represent PO 3 H or SO 3 H and n=0.1 or 2; R 2 represents H, XR 1 , an alkyl group at C 1 -C 6 , an aralkyl group at C 1 -C 6 or an aryl group, whereby the alkyl, aralkyl and aryl groups can be substituted by an amine NH 2 , a carboxylic group COOH, one or more halogen atoms, preferably fluorine, or one or more CF 3 groups; or the pharmaceutically-acceptable addition salts, isomers, enantiomers and diastereoisomers of said compound, mixtures thereof, and pharmaceutical or cosmetic compositions comprising same and the use thereof as an AGE-inhibitor drug that traps reactive carbonyl compounds.

  该发明涉及一种具有一般式I的化合物，其中：X代表CH2、C═O、C═S或CHOH，X代表CH2、C═O、C═S或CHOH，R1代表一种氨基酸，该氨基酸可以选择性地被一个或多个卤素原子（优选为氟）或一个或多个CF3基团取代，n=0.1或2，或者X代表CH2、C═O、C═S、CHOH，R1代表含有两个氨基酸的肽，每个氨基酸可以选择性地被一个或多个卤素原子（优选为氟）或一个或多个CF3基团取代，n=0或1，或者XR1代表PO3H或SO3H，n=0.1或2；R2代表H、XR1、C1-C6的烷基、C1-C6的芳基烷基或芳基，其中烷基、芳基烷基和芳基可以被氨基NH2、羧基COOH、一个或多个卤素原子（优选为氟）或一个或多个CF3基团取代；或者所述化合物的药学上可接受的加合盐、异构体、对映体和二对映异构体，其混合物，以及包含其的制药或化妆品组合物及其作为捕捉反应性羰基化合物的AGE抑制剂药物的用途。
• [EN] PIPERIDINO PYRIMIDINE DIPEPTIDYL PEPTIDASE INHIBITORS FOR THE TREATMENT OF DIABETES<br/>[FR] INHIBITEURS DE PIPERIDINO PYRIMIDINE DIPEPTIDYL PEPTIDASE UTILISES DANS LE TRAITEMENT DU DIABETE
  申请人：MERCK & CO INC

  公开号：WO2004007468A1

  公开（公告）日：2004-01-22

  The present invention is directed to compounds which are inhibitors of the dipeptidyl peptidase-IV enzyme ('DP-IV inhibitors') and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly Type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.

  本发明涉及一种抑制二肽基肽酶IV酶（'DP-IV抑制剂'）的化合物，该化合物在治疗或预防涉及二肽基肽酶IV酶的疾病中具有用途，如糖尿病，特别是2型糖尿病。该发明还涉及包含这些化合物的药物组合物，以及利用这些化合物和组合物在预防或治疗涉及二肽基肽酶IV酶的疾病中的用途。