benzyl N-(1S)-2-[(2S)-2-(aminocarbonyl)tetrahydro-1H-pyrrol-1-yl]-1-methyl-2-oxoethylcarbamate | 27446-57-7

• 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: benzyl N-(1S)-2-[(2S)-2-(aminocarbonyl)tetrahydro-1H-pyrrol-1-yl]-1-methyl-2-oxoethylcarbamate
• 英文别名: (2S,2'S)-N-(N-Benzyloxycarbonylalanyl)prolinamide；Z-Ala-Pro-NH2；Cbz-L-Ala-L-Pro-NH2；benzyl N-[(2S)-1-[(2S)-2-carbamoylpyrrolidin-1-yl]-1-oxopropan-2-yl]carbamate
• CAS: 27446-57-7
• 化学式: C₁₆H₂₁N₃O₄
• 分子量: 319.36
• InChiKey: BSAZCMUUIFPGSJ-AAEUAGOBSA-N

物化性质

• 熔点：
  161-162 °C(Solv: ethyl acetate (141-78-6); hexane (110-54-3))
• 沸点：
  606.8±55.0 °C(Predicted)
• 密度：
  1.265±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  23
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.44
• 拓扑面积：
  102
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  benzyl N-(1S)-2-[(2S)-2-(aminocarbonyl)tetrahydro-1H-pyrrol-1-yl]-1-methyl-2-oxoethylcarbamate 在 palladium on activated charcoal 氢气 作用下， 以 甲醇 为溶剂， 生成 3-甲基六氢吡咯并[1,2-a]吡嗪-1,4-二酮
  参考文献：
  名称：

  Lenman, Morag M.; Ingham, Scott L.; Gani, David, Journal of the Chemical Society. Chemical communications, 1996, # 1, p. 85 - 88

  摘要：

  DOI：
• 作为产物：
  描述：

  (2S,2'S)-N-(N-Benzyloxycarbonylalanyl)proline methyl ester 在 氨 作用下， 以 甲醇 为溶剂， 反应 216.0h， 以79%的产率得到benzyl N-(1S)-2-[(2S)-2-(aminocarbonyl)tetrahydro-1H-pyrrol-1-yl]-1-methyl-2-oxoethylcarbamate
  参考文献：
  名称：

  Lenman, Morag M.; Lewis, Arwel; Gani, David, Journal of the Chemical Society. Perkin transactions I, 1997, # 16, p. 2297 - 2311

  摘要：

  DOI：

文献信息

• Activation of carboxylic acids by pyrocarbonates. Application of di-tert-butyl pyrocarbonate as condensing reagent in the synthesis of amides of protected amino acids and peptides
  作者：Vladimir F. Pozdnev

  DOI：10.1016/0040-4039(95)01412-b

  日期：1995.9

  Amides formation from protected amino acids and peptides was achieved in an easy and convenient one-pot procedure using di-tert-butyl pyrocarbonate as activating agent in the presence of pyridine and ammonium hydrogencarbonate. The method gave good yields and did not induce racemization during the amidation of urethane protected amino acids.

  在吡啶和碳酸氢铵存在下，使用焦碳酸二叔丁酯作为活化剂，通过一种简便的一锅法，可以从受保护的氨基酸和肽形成酰胺。该方法在氨基甲酸酯保护的氨基酸的酰胺化过程中获得了良好的收率并且没有引起外消旋作用。
• N-acyl and desamino human calcitonin and analogs thereof
  申请人：Ciba-Geigy Corporation

  公开号：US03934008A1

  公开（公告）日：1976-01-20

  The new hypocalcaemically active peptides of formula I h-cys-Gly-Asn-Leu-Ser-Thr-Cys-Met-Leu-Gly-Thr-Tyr-Thr-Gln-Asp-Phe-Asn-Lys-P he-His-Thr-Phe-Pro-Gln-Thr-Ala-Ile-Gly-val-Gly-Ala-Pro-OH and corresponding compounds in which one or more of the asparagine and glutamic acid radicals are replaced by the aspartic acid or glutamic acid radical and/or the aspartic acid radical is replaced by the asparagine radical, their dimers, especially those in which 2 identical peptide sequences (1-32 and 1'-32') are joined in an anti-parallel arrangement via the cysteine radicals 1,7' and 7,1' by means of a disulfide bond, and derivatives are useful as hypocalcaemic agents and are prepared by splitting off groups protecting at least one amino or one carboxyl group or oxidizing the corresponding sulfides to the disulfides or condensing together adequate peptides.

  公式I中的新低钙血活性肽和相应的化合物，其中一个或多个天冬氨酸和谷氨酸基团被天冬酸或谷氨酸基团所替换，和/或天冬酸基团被天冬氨酸基团所替换，其二聚体，特别是那些通过一对二硫键连接两个相同的肽序列（1-32和1'-32'），以反平行排列方式通过半胱氨酸基团1,7'和7,1'连接在一起的肽，及其衍生物可用作降低血钙剂，并通过去除至少一个氨基或一个羧基的保护基团或将相应的硫化物氧化为二硫化物或将适当的肽缩合而制备。
• Peptides and process for their manufacture
  申请人：Ciba-Geigy Corporation

  公开号：US04159981A1

  公开（公告）日：1979-07-03

  The new hypocalcaemically active peptides of formula I ##STR1## and corresponding compounds in which one or more of the asparagine and glutamic acid radicals are replaced by the aspartic acid or glutamic acid radical and/or the aspartic acid radical is replaced by the asparagine radical, their dimers, especially those in which 2 identical peptide sequences (1-32 and 1'-32') are joined in an anti-parallel arrangement via the cysteine radicals 1,7' and 7,1' by means of a disulfide bond, and derivatives are useful as hypocalcaemic agents and are prepared by splitting off groups protecting at least one amino or one carboxyl group or oxidizing the corresponding sulfides to the disulfides or condensing together adequate peptides.

  公式I的新低钙血素活性肽和相应化合物，其中一个或多个天冬氨酸和谷氨酸基团被天冬酰基或谷氨酰基团所取代，和/或天冬酰基被天冬氨酰基所取代，它们的二聚体，特别是那些通过半胱氨酸基团1、7'和7、1'通过二硫键以反平行排列连接2个相同的肽序列（1-32和1'-32'）的二聚体，以及它们的衍生物可用作低钙血素药物，并通过去除保护至少一个氨基或一个羧基的基团或氧化相应的硫化物到二硫化物或将足够的肽缩合而制备。
• Convenient synthesis of C-terminal di- and tri-peptide amides from N-protected dipeptidoylbenzotriazoles
  作者：Ilhami Celik、Ashraf A.A. Abdel-Fattah

  DOI：10.1016/j.tet.2009.02.070

  日期：2009.6

  N-Protected dipeptidoylbeiizotriazoles react with aqueous ammonia to give dipeptide primary amides (77-98%) and with N-unprotected alpha-amino amides to afford tripeptide primary amides (82-86%). (C) 2009 Published by Elsevier Ltd.
• Enzymatic synthesis of activated esters and their subsequent use in enzyme-based peptide synthesis
  作者：Timo Nuijens、Claudia Cusan、Annette C.H.M. Schepers、John A.W. Kruijtzer、Dirk T.S. Rijkers、Rob M.J. Liskamp、Peter J.L.M. Quaedflieg

  DOI：10.1016/j.molcatb.2011.03.012

  日期：2011.8

  Chemoenzymatic peptide synthesis is potentially the most cost-efficient technology for the synthesis of short and medium-sized peptides. However, there are still some limitations when challenging peptides, e.g. containing sterically demanding acyl donors, non-proteinogenic amino acids or proline residues, are to be synthesized. To remedy these limitations, special ester moieties have been used that are specifically recognized by the enzyme, e.g. guanidinophenyl, carboxamidomethyl (Cam) or trifluoroethyl (Tfe) esters, which, unfortunately, are notoriously difficult to synthesize chemically. Herein, we demonstrate that Cam and Tfe esters are very useful for Alcalase-CLEA mediated peptide synthesis using sterically demanding and non-proteinogenic acyl donors as well as poor nucleophiles, and combinations thereof. Furthermore, these esters can be efficiently synthesized by using the lipase Cal-B or Alcalase-CLEA. Finally, it is shown that the ester synthesis by Cal-B and subsequent peptide synthesis by Alcalase-CLEA can be performed simultaneously using a two-enzyme-one-pot approach with glycolamide or 2,2,2-trifluoroethanol as additive. (C) 2011 Elsevier B.V. All rights reserved.