N-tert-butoxycarbonyl-L-valyl-L-phenylalanine methyl ester | 20902-47-0

• 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-tert-butoxycarbonyl-L-valyl-L-phenylalanine methyl ester
• 英文别名: Boc-Val-Phe-OMe；Boc-L-Val-L-Phe-OMe；methyl (tert-butoxycarbonyl)-L-valyl-L-phenylalaninate；N-Boc-Val-Phe-OMe；methyl (2S)-2-[[(2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]amino]-3-phenylpropanoate
• CAS: 20902-47-0
• 化学式: C₂₀H₃₀N₂O₅
• 分子量: 378.469
• InChiKey: VVTQXNCFAHBZEU-HOTGVXAUSA-N

物化性质

• 熔点：
  101 °C
• 沸点：
  538.8±45.0 °C(Predicted)
• 密度：
  1.102±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.2
• 重原子数：
  27
• 可旋转键数：
  10
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.55
• 拓扑面积：
  93.7
• 氢给体数：
  2
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  N-tert-butoxycarbonyl-L-valyl-L-phenylalanine methyl ester 在 4-二甲氨基吡啶 、 sodium hydroxide 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、 N,N-二异丙基乙胺 、 三氟乙酸 作用下， 以 1,4-二氧六环 为溶剂， 反应 1.0h， 生成 (S)-2-<<(acetyl)-(S)-leucinyl-(S)-valinyl>amino>-3-phenylpropanoic acid
  参考文献：
  名称：

  Regioselective structural and functional mimicry of peptides. Design of hydrolytically-stable cyclic peptidomimetic inhibitors of HIV-1 protease.

  摘要：

  Hydrolytically-stable cyclic mimetics of the tripeptides Leu-Asn-Phe and Phe-Ile-Val were designed and incorporated into peptidic inhibitors, Ac-{Leu-Asn-Phe}-CHOHCH2-Pro-Ile-Val-NH2 and Ac-Leu-Val-Phe-CHOHCH2-{Phe-Ile-Val}-NH2, of HIV-1 protease. Structural mimicry has been established through molecular modeling and X-ray crystallographic studies of inhibitors bound to HIV-1 protease. Cyclic and acyclic inhibitors had similar conformations that were superimposable and formed similar interactions with the enzyme. Functional mimicry was demonstrated by comparable inhibition of the protease by acyclic and cyclic molecules. Further substitution of the residual acyclic Pro-Ile-Val or Leu-Val-Phe inhibitor components, with Pip-NHtBu or Boc-Phe, respectively, gave hydrolytically stable, water-soluble, lipophilic inhibitors of similar potency. The use of cycles to fix the conformations of amino acid sequences in peptides allows regioselective structural mimicry leading to functional mimicry and also permits localized structure-activity optimization in inhibitors of HIV-1 protease. This approach might be usefully applied to inhibitors of other proteins.

  DOI：

  10.1021/ja00146a007
• 作为产物：
  描述：

  N-tert-butoxycarbonyl-L-valine 9-fluorenylmethyl thioester 在 哌啶 、 N,O-双三甲硅基乙酰胺 、 三乙胺 作用下， 以 四氢呋喃 、 N,N-二甲基甲酰胺 为溶剂， 反应 64.0h， 生成 N-tert-butoxycarbonyl-L-valyl-L-phenylalanine methyl ester
  参考文献：
  名称：

  In Situ Carboxyl Activation Using a Silatropic Switch: A New Approach to Amide and Peptide Constructions

  摘要：

  The novel reactivity of O-silylthionoesters with amine nucleophiles to generate oxoamides (rather than thioamides) is described. A straightforward first-generation trimethylsilylation protocol using bistrimethylsilylacetamide (BSA) combined with the unique reactivity of the O-silylthionoesters toward 1 degrees and 2 degrees amines to generate oxoamides provides the simplest means of activating a thiol acid for peptide bond formation at neutral pH. Excellent stereoretention is observed.

  DOI：

  10.1021/ja2065158
• 作为试剂：
  描述：

  二碘甲烷 、 3,4-二氢-1-苯基萘 在 N-tert-butoxycarbonyl-L-valyl-L-phenylalanine methyl ester 、 diethylzinc 作用下， 以 二氯甲烷 为溶剂， 反应 16.0h， 以42%的产率得到7b-Phenyl-1,1a,2,3-tetrahydrocyclopropa[a]naphthalene
  参考文献：
  名称：

  [EN] ASYMMETRIC CYCLOPROPANATION
  [FR] CYCLOPROPANATION ASYMETRIQUE

  摘要：

  公开号：

  WO2005033050A3

文献信息

• Epimerization-Free Block Synthesis of Peptides from Thioacids and Amines with the Sanger and Mukaiyama Reagents
  作者：David Crich、Indrajeet Sharma

  DOI：10.1002/anie.200805782

  日期：2009.3.16

  reaction of C‐terminal thioacids derived from protected amino acids and peptides with the Sanger reagent and other electron‐deficient aryl halides in the presence of a free amine immediately form a peptide bond with the amine. This essentially epimerization‐free method was used for the 4+4 block synthesis of a hindered octapeptide (see scheme; Boc, Pbf, and Trt are protecting groups).

  在游离胺存在下，由受保护氨基酸和肽衍生的C末端硫代酸与Sanger试剂和其他电子不足的芳基卤化物快速反应而形成的高活化硫酯立即与胺形成肽键。该基本无差向异构的方法用于受阻八肽的4 + 4嵌段合成（请参阅方案； Boc，Pbf和Trt是保护基）。
• Diketo acids and their amino acid/dipeptidic analogues as promising scaffolds for the development of bacterial methionine aminopeptidase inhibitors
  作者：Mir Mohammad Masood、Vijay K. Pillalamarri、Mohammad Irfan、Babita Aneja、Mohamad Aman Jairajpuri、Md. Zafaryab、M. Moshahid A. Rizvi、Umesh Yadava、Anthony Addlagatta、Mohammad Abid

  DOI：10.1039/c5ra03354c

  日期：——

  Diketo acids and their peptidic analogues were designed and synthesised as bacterial MetAP inhibitors. In the enzymatic assay, the representative compound 5e showed excellent inhibition of bacterial MetAPs with no cytotoxicity.

  二酮酸及其肽类类似物被设计并合成为细菌MetAP抑制剂。在酶活性测定中，代表性化合物5e显示出对细菌MetAPs的优秀抑制作用，且无细胞毒性。
• 9-Silafluorenyl Dichlorides as Chemically Ligating Coupling Agents and Their Application in Peptide Synthesis
  作者：Samuel J. Aspin、Sylvain Taillemaud、Patrick Cyr、André B. Charette

  DOI：10.1002/anie.201606120

  日期：2016.10.24

  A fundamentally simple, mild, and practical procedure for peptide bond formation is reported that employs a stoichiometric amount of easy‐to‐access 9‐silafluorenyl dichlorides as the coupling agent. Without initial preactivation or elaboration of the carboxylic acid or amine termini of the amino acids, the developed reagent is proposed to act through an unprecedented chemical ligation mechanism, bringing

  据报道，一种基本简单，温和且实用的肽键形成方法是采用化学计量的易于获得的9-二氟芴基二氯化物作为偶联剂。无需对氨基酸的羧酸或胺末端进行初步的预活化或精加工，就可以开发出一种通过空前的化学连接机制发挥作用的试剂，从而将两个偶联配偶体聚集在一起，然后再将其消除。因此以高收率和低至无差向异构化提供所需的酰胺或肽键。
• Site-Selective Acylation of Pyranosides with Oligopeptide Catalysts
  作者：Alexander Seitz、Raffael C. Wende、Emily Roesner、Dominik Niedek、Christopher Topp、Avene C. Colgan、Eoghan M. McGarrigle、Peter R. Schreiner

  DOI：10.1021/acs.joc.0c02772

  日期：2021.3.5

  monosaccharides. We identified catalysts that invert site-selectivity compared to N-methylimidazole, which was used to determine the intrinsic reactivity, for 4,6-O-protected glucopyranosides (trans-diols) as well as 4,6-O-protected mannopyranosides (cis-diols). The reaction yields up to 81% of the inherently unfavored 2-O-acetylated products with selectivities up to 15:1 using mild reaction conditions. We also

  在此，我们报道了部分保护的单糖的寡肽催化的位点选择性酰化。我们确定了催化剂，其反转的网站选择性相比ñ甲基咪唑，这是用来确定内在反应，为4,6- Ø重保护的吡喃葡萄糖苷（反式-diols）以及4,6- Ø -protected mannopyranosides（顺-二醇）。在温和的反应条件下，该反应产生高达81％的固有不利的2- O-乙酰化产物，选择性高达15：1。我们还确定了保护基对反应的影响，并证明我们的方案适用于具有多个连续保护步骤的一锅法反应。
• SMALL MOLECULE MODULATORS OF PCSK9 AND METHODS OF USE THEREOF
  申请人：ADAERATA, LIMITED PARTNERSHIP

  公开号：US20160031935A1

  公开（公告）日：2016-02-04

  A compound of Formula (I): or a pharmaceutically acceptable salt, hydrate, solvate, or racemic mixture or stereoisomer thereof, and methods for preventing or treating an LDL-cholesterol-related disease or disorder using such compound(s), and kits and compositions comprising such compound(s).

  公式（I）的化合物：或其药用可接受的盐、水合物、溶剂合物、或其拉克米混合物或立体异构体，以及使用这种化合物预防或治疗LDL胆固醇相关疾病或紊乱的方法，以及包含这种化合物的试剂盒和组合物。