2-oxo-2-phenylethyl 2-(tert-butoxycarbonylamino)acetate | 83316-95-4

• 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: 2-oxo-2-phenylethyl 2-(tert-butoxycarbonylamino)acetate
• 英文别名: phenacyl N-t-butoxycarbonylglycinate；Phenacyl 2-[(2-methylpropan-2-yl)oxycarbonylamino]acetate
• CAS: 83316-95-4
• 化学式: C₁₅H₁₉NO₅
• mdl: MFCD24391902
• 分子量: 293.32
• InChiKey: NZDXFTWPEROXAB-UHFFFAOYSA-N

物化性质

• 熔点：
  60-62 °C
• 沸点：
  438.0±25.0 °C(Predicted)
• 密度：
  1.162±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  21
• 可旋转键数：
  8
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.4
• 拓扑面积：
  81.7
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  2-oxo-2-phenylethyl 2-(tert-butoxycarbonylamino)acetate 在 锌 溶剂黄146 作用下， 生成 BOC-甘氨酸
  参考文献：
  名称：

  Design of the Synthetic Route for Peptides and Proteins Based on the Solubility Prediction Method. I. Synthesis and Solubility Properties of Human Proinsulin C-Peptide Fragments

  摘要：

  利用相对较小的人类胰岛素原C肽片段，展示了溶解度预测方法的实用性。还从以下方面考察了该溶解度预测方法对于含有极性侧链肽的适用性：（1）小于七肽的肽中间体具有高溶解性，与其值无关；（2）肽中间体的值有助于判断等于或大于八肽水平的肽中间体的溶解度；（3）肽链中央位置的Pro残基能有效提高肽的溶解度；（4）存在导致β折叠聚集体引起的不溶性的临界链长度。随后，在肽中间体溶解度预测的基础上，讨论了适用于人胰岛素原C肽合成路线设计的策略。

  DOI：

  10.1246/bcsj.59.2433
• 作为产物：
  描述：

  BOC-甘氨酸 在 caesium carbonate 作用下， 以 乙醇 、 N,N-二甲基甲酰胺 为溶剂， 反应 2.5h， 生成 2-oxo-2-phenylethyl 2-(tert-butoxycarbonylamino)acetate
  参考文献：
  名称：

  Synthesis and antiplasmodial activity of new heteroaryl derivatives of 7-chloro-4-aminoquinoline

  摘要：

  With the aim to investigate the effect of different heterocyclic rings linked to the 4-aminoquinoline nucleus on the antimalarial activity, a set of 7-chloro-N-(heteroaryl)-methyl-4-aminoquinoline and 7-chloro-N-(heteroaryl)-4-aminoquinoline was synthesized and tested in vitro against D-10 (CQ-S) and W-2 (CQ-R) strains of Plasmodium falciparum. All compounds exhibited from moderate to high antiplasmodial activities. The activity was strongly influenced both by the presence of a methylenic group, as a spacer between the 4-aminoquinoline and the heterocyclic ring, and by the presence of a basic head. The most potent molecules inhibited the growth of both CQ-S and CQ-R strains of P. falciparum with IC50 < 30 nM and were not toxic against human endothelial cells. These results confirm that the presence of an heteroaryl moiety in the side chain of 7-chloro-4-aminoquinoline is useful for the design and development of new powerful antimalarial agents. (C) 2012 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2012.07.040

文献信息

• Synthesis of Four Peptide Derivatives to Build the Sequence Corresponding to 31–53 of Human Epidermal Growth Factor (h-EGF)
  作者：Song Yub Shin、Yukihiko Kaburaki、Masanori Watanabe、Eisuke Munekata

  DOI：10.1271/bbb.56.108

  日期：1992.1

  For the classical solution synthesis of human epidermal growth factor (h-EGF), four protected peptide derivatives, Boc-Lys(Cl-Z)-Trp-Trp-Glu(OcHex)-Leu-Arg(Tos)-OBzl (5), Boc-Glu(OcHex)-Arg(Tos)-Cys(MeBzl)-Gln-Tyr(Br-Z)-Arg(Tos)-Asp(OcHex)-Leu-OH (13), Boc-Tyr(Br-Z)-Ile-Gly-OH (16), and Boc-Cys(MeBzl)-Asn-Cys(MeBzl)-Val-Val-Gly-OH (22) were synthesized to build up the sequence corresponding to 31–53.

  对于人表皮生长因子（h-EGF）的经典溶液合成，合成了四种保护肽衍生物：Boc-Lys(Cl-Z)-Trp-Trp-Glu(OcHex)-Leu-Arg(Tos)-OBzl (5)、Boc-Glu(OcHex)-Arg(Tos)-Cys(MeBzl)-Gln-Tyr(Br-Z)-Arg(Tos)-Asp(OcHex)-Leu-OH (13)、Boc-Tyr(Br-Z)-Ile-Gly-OH (16) 和 Boc-Cys(MeBzl)-Asn-Cys(MeBzl)-Val-Val-Gly-OH (22)，以构建对应于31–53的序列。
• Synthesis of the Five Peptide Derivatives Needed to Build the Sequence Corresponding to 1–30 of Human Epidermal Growth Factor (h-EGF)
  作者：Song Yuh Shin、Yukihiko Kaburaki、Masanori Watanabe、Eisuke Munekata

  DOI：10.1271/bbb.56.399

  日期：1992.1

  For the classical solution synthesis of human epidermal growth factor (h-EGF), five protected peptide derivatives, Boc-Leu-Asp(OcHex)-Lys(Cl-Z)-Tyr(Br-Z)-Ala-OH (5), Boc-Val-Cys(MeBzl)-Met-Tyr(Br-Z)-Ile-Glu(OcHex)-Ala-OH (12), Boc-Tyr(Br-Z)-Cys(MeBzl)-Leu-His-Asp(OcHex)-Gly-OH (18), Boc-Cys(MeBzl)-Pro-Leu-Ser(Bzl)-His-Asp(OcHex)-Gly-O H (23) and Boc-Asn-Ser(Bzl)-Asp(OcHex)-Ser(Bzl)-Glu(OcHex)-OH (28) were synthesized to build up the sequence corresponding to 1–30.

  对于人表皮生长因子（h-EGF）的经典合成解决方案，合成了五种保护性肽衍生物，即Boc-Leu-Asp(OcHex)-Lys(Cl-Z)-Tyr(Br-Z)-Ala-OH（5），Boc-Val-Cys(MeBzl)-Met-Tyr(Br-Z)-Ile-Glu(OcHex)-Ala-OH（12），Boc-Tyr(Br-Z)-Cys(MeBzl)-Leu-His-Asp(OcHex)-Gly-OH（18），Boc-Cys(MeBzl)-Pro-Leu-Ser(Bzl)-His-Asp(OcHex)-Gly-O H（23）和Boc-Asn-Ser(Bzl)-Asp(OcHex)-Ser(Bzl)-Glu(OcHex)-OH（28），以构建对应于1-30的序列。
• Intramolecular Triplet-Triplet Energy Transfer in Short Flexible Bichromophoric Amino Acids, Dipeptides and Carboxylic Acid Diester
  作者：Miroslav Zabadal、Dominik Heger、Petr Klán、Zdeněk Kříž

  DOI：10.1135/cccc20040776

  日期：——

  Efficiencies of the intramolecular triplet-triplet energy transfer (ITET) in various bichromophoric amino acids (glycine, valine, phenylalanine, and sarcosine), dipeptides (glycylglycine, phenylalanylphenylalanine), and a simple diester, with the benzoyl and naphthyl terminal groups serving as donor and acceptor, respectively, have been determined by the steady-state photokinetic measurements. The magnitude of the transfer rate constants (>10⁸ s^-1) and the number of bonds separating the chromophores (8 or 11 atoms) suggest a through-space exothermic exchange mechanism in all cases. The influence of interchromophore distance, the character of the connecting chain as well as of side chains, was evaluated. While the most efficient energy transfer was found in a flexible diester and in valine- and sarcosine-based molecules due to the steric effect of the side hydrocarbon groups, the benzyl groups in the phenylalanine and phenylalanylphenylalanine-based bichromophores had a suppressing effect on ITET. Rigidity of the peptide bond in short bichromophoric compounds causes that a large number of favorable geometries preexist already before excitation; thus the intramolecular processes are controlled by ground-state conformational distribution. Replacing this bond by a less rigid ester moiety would allow that certain unfavorable conformations may coil to favorable ones within the excited-state lifetime (a rotation-controlled photochemical model). Some conclusions were supported by a conformational search of the potential energy surface and molecular dynamics simulations.

  各种双色基氨基酸（甘氨酸、缬氨酸、苯丙氨酸和硫氨酸）、二肽（甘氨酰甘氨酸、苯丙氨酰苯丙氨酸）和一个简单的二酯的分子内三重态-三重态能量转移效率（ITET）通过稳态光动力学测量确定。传递速率常数的大小（>10^8 s^-1）和色团之间的键的数量（8或11个原子）表明在所有情况下都存在一种通过空间的放热交换机制。评估了色团间距离、连接链的性质以及侧链的影响。尽管在柔性二酯和以缬氨酸和硫氨酸为基础的分子中发现了最有效的能量转移，这是由于侧链烃基的立体效应，但苯丙氨酸和苯丙氨酰苯丙氨酸双色基色团中的苄基对ITET有抑制作用。短双色基化合物中肽键的刚性导致在激发之前已经存在大量有利的几何构型，因此分子内过程受基态构象分布控制。用较不刚性的酯基团取代这种键将允许在激发态寿命内某些不利的构象转变为有利的构象（一个受旋转控制的光化学模型）。通过对潜在能量表面的构象搜索和分子动力学模拟支持了一些结论。
• Construction of α-Acyloxy Ketones via Photoredox-Catalyzed O–H Insertion of Sulfoxonium Ylides with Carboxylic Acids
  作者：Qing Sun、Yuzhu Peng、Yujing Wang、Xiaoguang Bao

  DOI：10.1021/acs.orglett.3c02221

  日期：2023.9.15

  sulfoxonium ylides with carboxylic acids was advanced under mild and simple conditions, offering a practical approach for preparing α-acyloxy ketones with a broad scope of carboxylic acids. A combined experimental and computational study suggests that this reaction proceeds via a stepwise proton-assisted electron transfer mechanism.

  在此，在温和简单的条件下进行了光氧化还原催化的亚砜叶立德与羧酸的插入，为制备具有广泛羧酸的α-酰氧基酮提供了一种实用的方法。实验和计算相结合的研究表明，该反应通过逐步质子辅助电子转移机制进行。
• Protecting Groups That Can Be Removed through Photochemical Electron Transfer:  Mechanistic and Product Studies on Photosensitized Release of Carboxylates from Phenacyl Esters
  作者：Anamitro Banerjee、Daniel E. Falvey

  DOI：10.1021/jo970495j

  日期：1997.9.1

  Photolysis of electron-donating photosensitizers in the presence of various phenacyl esters (PhCOCH2-OCOR) results in C-O bond scission leading to the formation of acetophenone (PhCOCH3) and the corresponding carboxylic acid(RCO2H). Preparative experiments showed that the carboxylic acids are generated in high or quantitative isolated yields. It is argued that this reaction is initiated by a photoinduced electron transfer from the excited state sensitizer to the phenacyl ester. The latter process forms the anion radical of the phenacyl ester which in turn undergoes rapid C-O bond scission leading to the phenacyl radical and the corresponding carboxylate anion. This mechanism is supported by the following observations. (1) The phenacyl esters quench fluorescence from the sensitizers. (2) Analysis of the redox potentials of the sensitizer excited states and the substrates shows that the proposed electron transfer step is exergonic by 15-20 kcal/mol. (3) The byproducts are indicative of the proposed ion radical intermediates. In particular N-methylaniline is detected when N,N-dimethylaniline is used as a sensitizer. (4) Competing processes are observed in phenacyl esters whose acid components are themselves labile to single-electron transfer. For example, phenacyl 4-bromophenylacetate showed bromide elimination in competition with deprotection.