Boc-Pro-ONp | 28310-65-8

• 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: Boc-Pro-ONp
• 英文别名: 1-O-tert-butyl 2-O-(4-nitrophenyl) (2S)-pyrrolidine-1,2-dicarboxylate
• CAS: 28310-65-8
• 化学式: C₁₆H₂₀N₂O₆
• mdl: MFCD00037323
• 分子量: 336.345
• InChiKey: GUVOBXQVANZIKH-ZDUSSCGKSA-N

物化性质

• 沸点：
  463.6±40.0 °C(Predicted)
• 密度：
  1.284±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  24
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  102
• 氢给体数：
  0
• 氢受体数：
  6

安全信息

• 海关编码：
  2933990090

反应信息

• 作为反应物：
  描述：

  Boc-Pro-ONp 在 potassium fluoride 、 氯化镍二甲氧基乙烷 、 18-冠醚-6 、 N,N-二异丙基乙胺 、 三氟乙酸 、 sodium t-butanolate 作用下， 以 四氢呋喃 、 二氯甲烷 、 N,N-二甲基乙酰胺 、 乙腈 为溶剂， 反应 65.0h， 生成 (2R,3S)-1-(L-prolyl)-2-phenyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indoline
  参考文献：
  名称：

  镍催化吲哚的脱芳香芳基硼化：区域选择性合成 C2- 和 C3- 硼化吲哚啉

  摘要：

  吲哚脱芳构化是获取二氢吲哚的重要策略：二氢吲哚是存在于多种天然产物和生物活性分子中的基序。本文提出了一种过渡金属催化吲哚区域选择性脱芳香芳基硼化反应生成多种二氢吲哚的方法。该方法通过在 C2-或 C3-位置上缺乏激活或导向基团的底物上的迁移插入途径实现简单吲哚的分子间脱芳构化。合成有用的 C2- 和 C3- 硼酸化二氢吲哚可以通过简单改变N-保护基团以高区域选择性和非对映选择性（高达 >40:1 rr 和 >40:1 dr）从容易获得的起始材料获得。此外，通过实验和计算探索了区域选择性的起源，以揭示吲哚上N保护基团的羰基取向、C2-C3 π 键的电子和空间之间的显着相互作用。该方法首次实现了 (−)-azamedicarpin 的对映选择性合成。

  DOI：

  10.1021/jacs.1c05902
• 作为产物：
  描述：

  L-脯氨酸 在 盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 、 三乙胺 作用下， 以 二氯甲烷 为溶剂， 反应 15.0h， 生成 Boc-Pro-ONp
  参考文献：
  名称：

  Design, synthesis, and biological evaluation of novel stachydrine derivatives as potent neuroprotective agents for cerebral ischemic stroke

  摘要：

  Stachydrine is a natural product with multiple protective biological activities, including those involved in preventing cancer, ischemia, and cardiovascular disease. However, its use has been limited by low bioavailability and unsatisfactory efficacy. To address this problem, a series of stachydrine derivatives (A1/A2/A3/A4/B1/B2/B3/B4) were designed and synthesized, and biological studies were carried out in vitro and in vivo. When compared with stachydrine, Compound B1 exhibited better neuroprotective effects in vitro, and significantly reduced infarction size in the model of the middle cerebral artery occlusion rat model. Therefore, Compound B1 was selected for further research on ischemic stroke.

  DOI：

  10.1007/s00210-020-01868-4

文献信息

• Oxaziridine-Mediated Oxyamination of Indoles: An Approach to 3-Aminoindoles and Enantiomerically Enriched 3-Aminopyrroloindolines
  作者：Tamas Benkovics、Ilia A. Guzei、Tehshik P. Yoon

  DOI：10.1002/anie.201004635

  日期：2010.11.22

  A radical solution: A highly regioselective copper(II)‐catalyzed oxyamination of N‐acyl indoles with oxaziridines gave aminal products that could be converted in a single step into 3‐aminoindoles and 3‐aminopyrroloindolines (see scheme). When a chiral N‐acyl group was used, the core fragment of some architecturally fascinating pyrroloindoline alkaloids was formed with 91 % ee. Bs=benzenesulfonyl, Moc=methoxycarbonyl

  自由基解决方案：高度区域选择性的铜（II）催化的N-酰基吲哚与氧氮丙啶的氧胺化产生的氨基产物可以在一步中转化为 3-氨基吲哚和 3-氨基吡咯并二氢吲哚（参见方案）。当使用手性N-酰基基团时，一些结构上引人入胜的吡咯并二氢吲哚生物碱的核心片段形成了 91% 的 ee。Bs=苯磺酰基，Moc=甲氧基羰基。
• Proline-DerivedN-Sulfonylcarboxamides: Readily Available, Highly Enantioselective and Versatile Catalysts for Direct Aldol Reactions
  作者：Albrecht Berkessel、Burkhard Koch、Johann Lex

  DOI：10.1002/adsc.200404126

  日期：2004.8

  low catalyst loadings (5–10 mol %) and at room temperature, with ees ranging up to 98%, whereas L-proline itself afforded a maximum ee of 80% (in DMSO). Thus, N-arylsulfonyl derivatives of proline amide represent a novel class of highly enantioselective catalysts for direct aldol reactions. Furthermore, the N-arylsulfonyl substituent suggests possibilities for incorporation into larger catalyst assemblies

  不对称直接羟醛反应的脯氨酸催化涉及仲胺功能和氨基酸的羧基。已知N-磺酰基羧酰胺具有与羧酸相似的酸度，并且合成了L-脯氨酸酰胺的三种N-芳基磺酰基衍生物作为L-Pro的官能化和通用衍生物。通过将丙酮直接醇醛加成到4-硝基苯甲醛中来评估它们的催化性能。在低催化剂负载量（5-10 mol％）和室温下，各种溶剂均实现了显着改善的反应性和对映选择性，ee高达98％，而L-脯氨酸本身提供的ee最大为80％（在DMSO中） 。因此，N脯氨酸酰胺的-芳基磺酰基衍生物代表用于直接羟醛反应的一类新的高对映选择性催化剂。此外，N-芳基磺酰基取代基暗示了在不影响催化活性官能团的情况下掺入更大的催化剂组件（包括固定化）的可能性。
• Amino acids and peptides. XXIX. Synthesis of peptide fragments related to active center of eglin c and studies on the relationship between their structure and their inhibitory activity against cathepsin G and .ALPHA.-chymotrypsin.
  作者：Kazunori NAKABAYASHI、Satoshi TSUBOI、Taizo FUJIMOTO、Yoshio OKADA、Yoko NAGAMATSU、Junichiro YAMAMOTO

  DOI：10.1248/cpb.38.3249

  日期：——

  H-Ser-Pro-Val-Thr-Leu-Asp-Leu-Arg-Tyr-OMe, corresponding to the sequence 41-49 of eglin c, inhibited human leukocyte cathepsin G and α-chymotrypsin. In order to gain further insight into the relationship between the structure and the inhibitory activity against cathepsin G and α-chymotrypsin, peptide fragments related to the above nonapeptide were synthesized by a conventional solution method and their inhibitory activities were examined. The smallest peptide which exhibited inhibitory effects on the above envymes was H-Pro-Val-Thr-Leu-OMe, corresponding to the sequence 42-45 of eglin c.

  H-Ser-Pro-Val-Thr-Leu-Asp-Leu-Arg-Tyr-OMe，对应于eglin c的第41-49位序列，对人类白细胞组织蛋白酶G和α-胰凝乳蛋白酶具有抑制作用。为了更深入地了解其结构与对组织蛋白酶G和α-胰凝乳蛋白酶抑制活性之间的关系，通过常规液相方法合成了与上述九肽相关的片段，并检测了它们的抑制活性。对上述酶表现出抑制作用的最小肽是H-Pro-Val-Thr-Leu-OMe，对应于eglin c的第42-45位序列。
• Amino acids and peptides. XXI. Synthesis of N-terminal heptapeptide of mammalian metallothionein(MT) and evaluation of its immunoreactivity.
  作者：YOSHIO OKADA、SHIN IGUCHI、SHIGERU NAKAYAMA、YUTAKA KIKUCHI、MASACHIKA IRIE、JUN-ICHI SAWADA、HIDEHARU IKEBUCHI、TADAO TERAO

  DOI：10.1248/cpb.36.3614

  日期：——

  The common N-terminal heptapeptide, Ac-Met-Asp-Pro-Asn-Cys-Ser-Cys-OH, Ac-(MT II 1-7)-OH, of mammalian metallothioneins (MTs) was synthesised by a conventional solution method using newly developed β-2-adamantylasparate. This peptide was as reactive as native MT with a monoclonal antibody produced against rat Zn-MT II.

  哺乳动物金属硫蛋白（MTs）的共同N端七肽Ac-Met-Asp-Pro-Asn-Cys-Ser-Cys-OH，即Ac-(MT II 1-7)-OH，通过使用新开发的β-2-金刚烷基天冬氨酸，采用传统的溶液方法合成。该肽与针对大鼠Zn-MT II产生的单克隆抗体同样具有反应性。
• Amino Acids and Peptides. XXXVII. Synthesis of Stereoisomeric Nonapeptides Corresponding to Sequence 41-49 of Eglin c and Examination of Their Inhibitory Activity against Human Leukocyte Cathepsin G and .ALPHA.-Chymotrypsin.
  作者：Ayumi FUJII、Satoshi TSUBOI、Keiichi ASADA、Yoko NAGAMATSU、Junichiro YAMAMOTO、Yoshio OKADA

  DOI：10.1248/cpb.42.1518

  日期：——

  A nonapeptide, H-Ser-Pro-Val-Thr-Leu-Asp-Leu-Arg-Tyr-OH, corresponding to sequence 41-49 of eglin c inhibited leukocyte cathepsin G and α-chymotrypsin with Ki values of 2.2×10-5 and 7.2×10-6M, respectively, although eglin c itself inhibited leukocyte elastase, cathepsin G and α-chymotrypsin with Ki values of 6.0×10-9, 5.5×10-9 and 2.5×10-9M, respectively. The inhibitory activity of the nonapeptide decreased following incubation with cathepsin G due to the cleavage of the Leu45-Asp46 peptide bond. Therefore, Leu45 and/or Asp46 were replaced with D-amino acids and the inhibitory activities of the resultant nonapeptides were examined. Their inhibitory activities against cathepsin G and α-chymotrypsin were much weaker than those of the all-L-type nonapeptide, suggesting that the amino acids at the active site, Leu45 and Asp46 are required to be in the L-configuration for potent activity.

  一种非apeptide，H-Ser-Pro-Val-Thr-Leu-Asp-Leu-Arg-Tyr-OH，对应于eglin c序列41-49，分别以2.2×10-5和7.2×10-6M的Ki值抑制白细胞组织蛋白酶G和α-胰凝乳蛋白酶，尽管eglin c本身分别以6.0×10-9、5.5×10-9和2.5×10-9M的Ki值抑制白细胞弹性蛋白酶、组织蛋白酶G和α-胰凝乳蛋白酶。非apeptide的抑制活性在与组织蛋白酶G孵育后下降，这是由于Leu45-Asp46肽键的断裂。因此，Leu45和/或Asp46被替换为D-氨基酸，并对产生的非apeptide的抑制活性进行了检查。它们对组织蛋白酶G和α-胰凝乳蛋白酶的抑制活性远弱于所有L型非apeptide，表明活性位点上的氨基酸，Leu45和Asp46，需要处于L-构型才能发挥强大活性。