二甲基L-天冬氨酸 | 40149-67-5

• 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: 二甲基L-天冬氨酸
• 英文名称: Dimethyl aspartate
• 英文别名: Dimethyl DL-aspartate；dimethyl 2-aminobutanedioate
• CAS: 40149-67-5
• 化学式: C₆H₁₁NO₄
• mdl: MFCD22384344
• 分子量: 161.158
• InChiKey: BYHXBBOSJKPUJL-UHFFFAOYSA-N

物化性质

• 沸点：
  85-90 °C(Press: 0.1 Torr)
• 密度：
  1.162±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -0.9
• 重原子数：
  11
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.666
• 拓扑面积：
  78.6
• 氢给体数：
  1
• 氢受体数：
  5

安全信息

• 海关编码：
  2922499990

反应信息

• 作为反应物：
  描述：

  二甲基L-天冬氨酸 在 lipase SP 526 on Celite 、 trifluoroethyl butanoate 作用下， 以 乙腈 为溶剂， 反应 6.0h， 生成 dimethyl D-aspartate
  参考文献：
  名称：

  在有机溶剂中酶法制备对映体纯的苹果酸和天冬氨酸衍生物

  摘要：

  研究了通过高区域选择性脂肪酶和酰基转移酶I酶动力学分解苹果酸和天冬氨酸二酯及其N-丁酰基二甲基酯的动力学方法。硅藻土上的南极假丝酵母脂肪酶A催化了羟基和氨基的对映选择性酰化。来自米曲霉和南极假丝酵母脂肪酶B的酰化酶I分别催化酯基在α-和β-位的对映选择性醇化。

  DOI：

  10.1016/s0957-4166(99)00476-0
• 作为产物：
  描述：

  dimethyl 2-nitrosuccinate 在 镍 氢气 作用下， 生成 二甲基L-天冬氨酸
  参考文献：
  名称：

  The Synthetic Reactions of Aliphatic Nitro Compounds. VII. The Synthesis of α-Amino Acids from the Nitroacetic Ester

  摘要：

  DOI：

  10.1246/bcsj.46.337
• 作为试剂：
  描述：

  3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride 在 N-羟基丁二酰亚胺 、 二甲基L-天冬氨酸 、 N,N'-二环己基碳二亚胺 作用下， 以 二氯甲烷 为溶剂， 反应 12.25h， 生成 dimethyl endo-(S)-3-(3,5-dioxo-4-azatricyclo[5.2.1.0^2,6]dec-8-en-4-yl)succinate
  参考文献：
  名称：

  Demonstration of endo-cis-(2S,3R)-Bicyclo[2.2.1]hept-5-en-2,3- dicarbonyl Unit as a Reverse-Turn Scaffold and Nucleator of Two-Stranded Parallel β-Sheets:  Design, Synthesis, Crystal Structure, and Self-Assembling Properties of Norborneno Peptide Analogues

  摘要：

  endo-cis-(2S,3R)-Bicyclo[2.2.1]hept-5-en (norbornene) dicarbonyl unit with a built-in U-architecture has been demonstrated to be an excellent reverse-turn molecular scaffold. A large variety of endo-cis-(2S,3R)-norborneno bispeptides containing almost all of the coded amino acids were synthesized and examined for conformational preferences by H-1 NMR, FT-IR, CD, and X-ray crystallographic studies. While FT-IR and H-1 NMR variable-temperature studies ruled out the presence of any significant amount of intramolecular hydrogen bonding in simple bispeptides (3a-h) (except in Aib bispeptide), the CD studies were clearly in favor of a beta-turn type structure. Single-crystal X-ray studies on Aib, Val and Leu containing norborneno bispeptides (3b-d) provided convincing proof for the presence of reverse-turn conformation. While the interstrand C-alpha-C-alpha' distances (5.2-5.7 Angstrom) were well within the range of those for beta-turn structures, no interstrand intramolecular hydrogen bonding was seen in Val and Leu bispeptides; the Aib bispeptide forms a seven-membered hydrogen-bonded ring, thus, showing that the norbornene (2S,3R)-dicarbonyl template assembles peptide chains in reverse-turn conformation by virtue of its built-in U-shaped architecture at these positions, and hydrogen bonding may not be necessary to stabilize the turn structure. The endo-cis-(2S,3R) orientation of bispeptide chains is essential for turn structure as shown by the crystal structure of trans-(2R, 3R) and trans-(2S,3S) derivative of Val bispeptide wherein the two peptide chains move away from each other with the C-alpha-C-alpha' distance increasing to 7.1-8.2 Angstrom. The norbornene 5,6-double bond was hydrogenated to 5,6-dihydro derivative which showed almost the same CD spectrum as its olefinic analogue. Oxidative cleavage [Ru (VIII)] of the 5,6-double bond in norborneno bispeptides, as demonstrated with Leu bispeptide, afforded novel cyclopentanoid peptide analogues. The promise of norbornene unit as a template for nucleating the formation of two-stranded parallel beta-sheets with minimum structural complexity is shown by the preparation of higher members of norborneno bispeptides with the general structure NBE(Pep)(2) [NBE = endo-cis-(2S,3R)-bicyclo[2.2.1]hept-5-en (norbornene) dicarbonyl unit; Pep = peptide strand with two, three, or four (same or different) amino acid residues]. In H-1 NMR, the high (3)J(HN alpha) values (7.0-9.3 Hz) observed for the amide protons (Table 5) coupled with the presence of medium to strong intrastrand sequential ROE connectivities d(alpha N(i,i+1)) spanning the entire three- or four-residue sequence in the peptide strands of 9a-e and 10 and the exhibition of relatively low-temperature coefficients (d delta/dT = -0.2 to -3.4 ppb/K) for amide protons in DMSO-d(6) solvent (Table 4) clearly suggested that hydrogen-bonded beta-sheet conformers dominate the population. FT-IR and CD studies provided further support for parallel beta-sheet structures. A particularly unique feature of the norborneno bispeptides is their strong tendency to self-assemble in the solid state.Thus, while endo-cis-(2S,3R)-Aib bispeptide (3b) forms 16-membered hydrogen bonded centrosymmetric dimers, the half-ester half-acid and the dicarboxylic acid derivatives of 3b self-assemble to form highly ordered hydrogen-bonded molecular ribbons. The Val and Leu cis-(2S, 3R)-bispeptides organize into hydrogen-bonded chains and the trans isomer of Val bispeptide self-assembles into hydrogen-bonded beta-sheet ribbon.

  DOI：

  10.1021/ja980143+

文献信息

• PYRAZOLE COMPOUND AND PHARMACEUTICAL USE THEREOF
  申请人：MIURA Tomoya

  公开号：US20130085132A1

  公开（公告）日：2013-04-04

  The present invention provides a pyrazole compound of the following general Formula [Ib] having SGLT1 inhibitory activity, or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the same, and its pharmaceutical use: wherein each symbol is the same as defined in the description.

  本发明提供了一种具有SGLT1抑制活性的下式[Ib]所示的吡唑化合物、或其药物可接受的盐、包含该化合物的药物组合物及其医药用途： 其中每个符号如说明书中所定义。
• INJECTABLE SOLUTION AT PH 7 COMPRISING AT LEAST ONE BASAL INSULIN WHEREIN THE PI IS COMPRISED FORM 5.8 TO 8.5 AND A CO-POLYAMINO ACID BEARING CARBOXYLATE CHARGES AND HYDROPHOBIC RADICALS
  申请人：ADOCIA

  公开号：US20190275115A1

  公开（公告）日：2019-09-12

  In one embodiment, the composition according to the invention is characterized in that the co-polyamino acid bearing carboxylate charges and at least one hydrophobic radical -Hy is chosen among the co-polyamino acids according to formula XXXb hereinafter: wherein, D represents, independently, either a group —CH 2 — (aspartic acid) or a group —CH 2 —CH 2 — (glutamic acid), X represents a cationic entity chosen in the group comprising alkali cations, R b and R b ′, identical or different, are either a hydrophobic radical -Hy, or a radical chosen in the group consisting of an H, a C2 to C10 linear acyl group, a C3 to C10 branched acyl group, a benzyl, a terminal “amino acid” unit and a pyroglutamate, at least one of Rb and R′b is a hydrophobic radical -Hy, Q and Hy are as defined above. n+m represents the degree of polymerization DP of the co-polyamino acid, namely the mean number of monomeric units per co-polyamino acid chain and 5≤n+m≤250.

  在一种实施例中，根据本发明的组合物的特征在于，共聚氨基酸带有羧酸盐基团和至少一种疏水基团-Hy，所述疏水基团-Hy是从下文公式XXXb中的共聚氨基酸中选择的： 其中， D分别表示一个基团—CH 2 —（天冬氨酸）或一个基团—CH 2 —CH 2 —（谷氨酸）， X表示从包括碱金属阳离子在内的阳离子实体中选择的一个阳离子实体， R b 和R b ′，相同或不同，要么是一个疏水基团-Hy，要么是从包括H、C2到C10线性酰基团、C3到C10支链酰基团、苄基、末端“氨基酸”单元和吡咯谷氨酸在内的基团中选择的一个基团， Rb和R′b中至少一个是疏水基团-Hy， Q和Hy如上所定义。 n+m表示共聚氨基酸的聚合度DP，即每个共聚氨基酸链上的单体单位的平均数，且5≤n+m≤250。
• Cycloalkylcarbonylamino Acid Ester Derivative and Process for Producing The Same
  申请人：Kobayashi Nobuo

  公开号：US20090137799A1

  公开（公告）日：2009-05-28

  Cycloalkylcarbonylamino acid ester derivatives, which are raw material intermediates for a novel cycloalkane carboxamide derivative having an action that selectively inhibits cathepsin K, and a production process thereof, are provided. A cycloalkylcarbonylamino acid ester derivative represented by formula (I), or a pharmaceutically acceptable salt thereof: (wherein, R 1 and R 2 represent alkyl groups, alkenyl groups, alkynyl groups, aromatic hydrocarbon groups, heterocyclic groups, etc., R 8 represents an alkyl group having 1 to 6 carbon atoms, and ring A represents a cyclic alkylidene group having 5, 6 or 7 carbon atoms).

  环烷基羰基氨基酸酯衍生物是一种新型环烷烃羧酰胺衍生物的原料中间体，具有选择性抑制卡特普辛K的作用，提供其生产工艺。 表示为式（I）的环烷基羰基氨基酸酯衍生物，或其药学上可接受的盐： （其中，R1和R2代表烷基、烯基、炔基、芳香烃基、杂环基等，R8代表具有1至6个碳原子的烷基，环A代表具有5、6或7个碳原子的环烷基亚基）。
• [EN] EPOXYEICOSATRIENOIC ACID ANALOGS AND METHODS OF MAKING AND USING THE SAME<br/>[FR] ANALOGUES DE L'ACIDE ÉPOXYÉICOSATRIÉNOÏQUE ET LEURS PROCÉDÉS DE FABRICATION ET D'UTILISATION
  申请人：MCW RES FOUND INC

  公开号：WO2012138706A1

  公开（公告）日：2012-10-11

  Compounds and compositions comprising epoxyeicosatrienoic acid (EET) analogs that act as EET agonists and are useful as medications in the treatment of drug-induced nephrotoxicity, hypertension and other related conditions. Methods of making and using the compounds and compositions are further described.

  含有环氧三烯酸（EET）类似物的化合物和组合物，其作为EET激动剂，并且在治疗药物诱导的肾毒性、高血压和其他相关疾病方面有用。进一步描述了制备和使用这些化合物和组合物的方法。
• [EN] C-28 AMINES OF C-3 MODIFIED BETULINIC ACID DERIVATIVES AS HIV MATURATION INHIBITORS<br/>[FR] AMINES EN C28 DE DÉRIVÉS D'ACIDE BÉTULINIQUE MODIFIÉ EN C-3 EN TANT QU'INHIBITEURS DE MATURATION DU VIH
  申请人：BRISTOL MYERS SQUIBB CO

  公开号：WO2012106188A1

  公开（公告）日：2012-08-09

  Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, C-28 amines of C-3 modified betulinic acid derivatives that possess unique antiviral activity are provided as HIV maturation inhibitors. These compounds are useful for the treatment of HIV and AIDS. In particular, the following compounds are provided herein, including pharmaceutically acceptable salts thereof: a compound of formula (I), a compound of formula (II), and a compound of formula (III).

  具有药物和生物活性的化合物、其药物组合物及其用途被详述。特别是，提供了具有独特抗病毒活性的C-3修饰桦木酸衍生物的C-28胺作为HIV成熟抑制剂。这些化合物可用于治疗HIV和艾滋病。特别是，提供了以下化合物，包括可药用的盐类：公式(I)的化合物，公式(II)的化合物，和公式(III)的化合物。

表征谱图