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AC-PHE-OET, or Acetyl-L-phenylalanine ethyl ester, is a derivative of L-Phenylalanine, an essential amino acid naturally found in the human body. It is a white powder with various applications, particularly in the pharmaceutical and medical fields.

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  • 2361-96-8 Structure
  • Basic information

    1. Product Name: AC-PHE-OET
    2. Synonyms: ACETYL-L-PHENYLALANINE ETHYL ESTER;AC-PHE-OET;AC-PHENYLALANINE-OET;N-ACETYL-L-PHE ETHYL ESTER;N-ACETYL-L-PHENYLALANINE ETHYL ESTER;N-ALPHA-ACETYL-L-PHENYLALANINE ETHYL ESTER;ethyl N-acetyl-3-phenyl-L-alaninate;N-acetyl-L-phenylalanine ethyl ester*sigma grade
    3. CAS NO:2361-96-8
    4. Molecular Formula: C13H17NO3
    5. Molecular Weight: 235.28
    6. EINECS: 219-108-6
    7. Product Categories: Amino Acids;A - H;Amino Acids;Modified Amino Acids
    8. Mol File: 2361-96-8.mol
  • Chemical Properties

    1. Melting Point: 66-67 °C
    2. Boiling Point: 377.67°C (rough estimate)
    3. Flash Point: 197 °C
    4. Appearance: /
    5. Density: 1.1200 (rough estimate)
    6. Vapor Pressure: 1.12E-06mmHg at 25°C
    7. Refractive Index: 1.4800 (estimate)
    8. Storage Temp.: 2-8°C
    9. Solubility: DMSO, Methanol
    10. PKA: 14.83±0.46(Predicted)
    11. Water Solubility: 4.13g/L(28 oC)
    12. CAS DataBase Reference: AC-PHE-OET(CAS DataBase Reference)
    13. NIST Chemistry Reference: AC-PHE-OET(2361-96-8)
    14. EPA Substance Registry System: AC-PHE-OET(2361-96-8)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany: 3
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 2361-96-8(Hazardous Substances Data)

2361-96-8 Usage

Uses

Used in Pharmaceutical Applications:
AC-PHE-OET is used as a pharmaceutical agent for treating patients with depression. Its role in modulating the levels of certain neurotransmitters in the brain makes it a potential candidate for antidepressant therapies.
Used in Enzyme Inhibition:
AC-PHE-OET is used as an inhibitor for pepsin-catalyzed reactions. This application is particularly relevant in the field of biochemistry and molecular biology, where controlling enzyme activity is crucial for understanding various biological processes and developing targeted therapies.
Used in Chemical Synthesis:
As a derivative of L-Phenylalanine, AC-PHE-OET can be used as a building block in the synthesis of various chemical compounds, including pharmaceuticals, agrochemicals, and other specialty chemicals. Its unique structure and properties make it a valuable intermediate in the development of novel molecules with specific applications.
Used in Research and Development:
AC-PHE-OET can be employed in research and development settings to study the structure-activity relationships of L-Phenylalanine derivatives and their potential applications in various fields. This can lead to the discovery of new therapeutic agents, improved drug delivery systems, and innovative chemical processes.

Purification Methods

Crystallise the ester from aqueous EtOH or H2O. [Izumiya & Fruton J Biol Chem 218 59 1956.]

Check Digit Verification of cas no

The CAS Registry Mumber 2361-96-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,6 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2361-96:
(6*2)+(5*3)+(4*6)+(3*1)+(2*9)+(1*6)=78
78 % 10 = 8
So 2361-96-8 is a valid CAS Registry Number.
InChI:InChI=1/C13H17NO3/c1-3-17-13(16)12(14-10(2)15)9-11-7-5-4-6-8-11/h4-8,12H,3,9H2,1-2H3,(H,14,15)

2361-96-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name AC-PHE-OET

1.2 Other means of identification

Product number -
Other names N-Acetylphenylalanine ethyl

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2361-96-8 SDS

2361-96-8Relevant articles and documents

Concise synthesis and applications of enantiopure spirobiphenoxasilin-diol and its related chiral ligands

Liu, Tao,Wang, Biqin,Wang, Peng,Wu, Yichen,Xu, Wen-Qiang,Yang, Lei

supporting information, p. 13365 - 13368 (2021/12/17)

The development of chiral architectures for chiral ligand and catalyst discovery is essential for asymmetric catalysis. Herein, we report the concise synthesis of a Si-centered spirocyclic skeleton, spirobiphenoxasilin-diol (SPOSiOL), and its derived chiral ligands. Using the chemical resolution method, the optical SPOSiOL could be obtained in high yield on a gram scale. Preliminary studies indicated that this ligand scaffold has great potential in transition metal-catalyzed asymmetric reactions. This finding further highlights that the Si-centered spirocyclic scaffolds are of great value in asymmetric catalysis. This journal is

New chiral ferrocene/indole-based diphosphine ligands for Rh-catalyzed asymmetric hydrogenation of functionalized olefins

Abbas, Zaheer,Ali, Aijaz,Hu, Xiang-Ping,Hu, Xin-Hu,Xu, You-Wei

, (2020/04/02)

Convenient synthesis of a new family of chiral ferrocene/indole-based diphosphine ligands, (Rc,Rp)-IndoFerroPhos (L), from (Sc,Rp)-PPFA and 2-(diphenylphosphino)indole has been described. These new ligands exhibited high efficiency in the Rh-catalyzed asymmetric hydrogenation of functionalized olefins including α-dehydroamino acid esters, α-enamides and dimethyl itaconate, in which up to >99% yield and 98% ee were achieved.

Topology-Based Functionalization of Robust Chiral Zr-Based Metal-Organic Frameworks for Catalytic Enantioselective Hydrogenation

Jiang, Hong,Zhang, Wenqiang,Kang, Xing,Cao, Ziping,Chen, Xu,Liu, Yan,Cui, Yong

supporting information, p. 9642 - 9652 (2020/07/02)

The design and development of robust and porous supported catalysts with high activity and selectivity is extremely significant but very challenging for eco-friendly synthesis of fine chemicals and pharmaceuticals. We report here the design and synthesis of highly stable chiral Zr(IV)-based MOFs with different topologies to support Ir complexes and demonstrate their network structures-dependent asymmetric catalytic performance. Guided by the modulated synthesis and isoreticular expansion strategy, five chiral Zr-MOFs with a flu or ith topology are constructed from enantiopure 1,1′-biphenol-derived tetracarboxylate linkers and Zr6, Zr9, or Zr12 clusters. The obtained MOFs all show high chemical stability in boiling water, strongly acidic, and weakly basic aqueous solutions. The two flu MOFs featuring the dihydroxyl groups of biphenol in open and large cages, after sequential postsynthetic modification with P(NMe2)3 and [Ir(COD)Cl]2, can be highly efficient and recyclable heterogeneous catalysts for hydrogenation of α-dehydroamino acid esters with up to 98% ee, whereas the three ith MOFs featuring the dihydroxyl groups in small cages cannot be installed with P(NMe2)3 to support the Ir complex. Incorporation of Ir-phosphorus catalysts into Zr-MOFs leads to great enhancement of their chemical stability, durability, and even stereoselectivity. This work therefore not only advances Zr-MOFs as stable supports for labile metal catalysts for heterogeneous asymmetric catalysis but also provides a new insight into how highly active chiral centers can result due to the framework topology.

Synthesis of constrained tetracyclic peptides by consecutive CEPS, CLIPS, and oxime ligation

Streefkerk, Dieuwertje E.,Schmidt, Marcel,Ippel, Johannes H.,Hackeng, Tilman M.,Nuijens, Timo,Timmerman, Peter,Van Maarseveen, Jan H.

supporting information, p. 2095 - 2100 (2019/04/11)

In Nature, multicyclic peptides constitute a versatile molecule class with various biological functions. For their pharmaceutical exploitation, chemical methodologies that enable selective consecutive macrocyclizations are required. We disclose a combination of enzymatic macrocyclization, CLIPS alkylation, and oxime ligation to prepare tetracyclic peptides. Five new small molecular scaffolds and differently sized model peptides featuring noncanonical amino acids were synthesized. Enzymatic macrocyclization, followed by one-pot scaffold-assisted cyclizations, yielded 21 tetracyclic peptides in a facile and robust manner.

Facile Cu(ii)-mediated conjugation of thioesters and thioacids to peptides and proteins under mild conditions

Sun, Yao,Lyu, Zhenbin,Wang, Zhiqiang,Zeng, Xiaodong,Zhou, Hui,Xu, Fuchun,Chen, Ziyang,Xu, Yuling,Xu, Ping,Hong, Xuechuan

supporting information, p. 3610 - 3614 (2018/05/26)

The bioconjugation of peptide derivatives such as polypeptides, peptide-based probes and proteins is a vibrant area in many scientific fields. However, reports on metal-mediated chemical methods towards native peptides especially non-engineering protein modification under mild conditions are still limited. Herein, we describe a novel Cu(ii)-mediated strategy for the conjugation of thioesters/thioacids to peptides under mild conditions with high functional group tolerance. Based on this strategy, polypeptides, even peptide-based fluorescent probes, can be efficiently constructed. Finally, the selective modification of lysine residues of native Ub with thioesters could be realized and complete conjugation of Ub could be achieved even under equivalent Cu(ii). These promising results could greatly expand Cu(ii)-mediated reaction strategies on chemical biology and molecular imaging.

BABIPhos Family of Biaryl Dihydrobenzooxaphosphole Ligands for Asymmetric Hydrogenation

Li, Guisheng,Zatolochnaya, Olga V.,Wang, Xiao-Jun,Rodríguez, Sonia,Qu, Bo,Desrosiers, Jean-Nicolas,Mangunuru, Hari P. R.,Biswas, Soumik,Rivalti, Daniel,Karyakarte, Shuklendu D.,Sieber, Joshua D.,Grinberg, Nelu,Wu, Ling,Lee, Heewon,Haddad, Nizar,Fandrick, Daniel R.,Yee, Nathan K.,Song, Jinhua J.,Senanayake, Chris H.

, p. 1725 - 1729 (2018/04/14)

Novel bidentate phosphine ligands BABIPhos featuring a biaryl bis-dihydrobenzooxaphosphole core are presented. Their synthesis was achieved via Pd-catalyzed reductive homocoupling of dihydrobenzooxaphosphole aryl triflates. An efficient route toward various analogues was also established, giving access to phosphines with different electronic and steric properties. The newly obtained ligands demonstrated high efficiency and selectivity in Rh-catalyzed asymmetric hydrogenation of di- and trisubstituted enamides. This new class of ligands is complementary to previously described bidentate benzooxaphosphole ligands BIBOP.

MULTICYCLIC PEPTIDES AND METHODS FOR THEIR PREPARATION

-

Page/Page column 53, (2018/06/30)

The invention relates to methods for preparing a compound comprising a peptide attached to a molecular scaffold whereby multiple peptide loops are formed, to compounds that can be obtained with such methods and uses thereof.

Ultrasound-Promoted Enantioselective Decarboxylative Protonation of α-Aminomalonate Hemiesters by Chiral Squaramides: A Practical Approach to Both Enantiomers of α-Amino Esters

Some, Surajit,Bae, Han Yong,Kim, Mun Jong,Zhang, Yong Jian,Song, Choong Eui

supporting information, p. 4562 - 4565 (2017/08/30)

Herein, we report an ultrasound-promoted enantioselective decarboxylative protonation reaction of α-aminomalonate hemiesters 1 in the presence of chiral cinchona-derived squaramide Br?nsted bases under mild conditions, which afforded both the (S)- and (R)-enantiomers of α-amino acid derivatives 2 in excellent yields (> 90 %) and excellent enantioselectivities (up to 98 % ee).

Thioamide-substituted cinchona alkaloids as efficient organocatalysts for asymmetric decarboxylative reactions of MAHOs

Singjunla, Yuttapong,Pigeaux, Morgane,Laporte, Romain,Baudoux, Jér?me,Rouden, Jacques

supporting information, p. 4319 - 4320 (2018/08/24)

A new class of thioamide-substituted cinchona derivatives is reported. A convergent and practical approach was developed to insert the thioamide functional group onto the cinchonidine from readily available dithioesters. These organocatalysts were effective in asymmetric decarboxylative Mannich and protonation reactions of α-amido-substituted malonic acid half oxyesters (MAHOs), affording α,β- and α-amino acid derivatives, respectively, in good yields and stereoselectivities.

Towards a universal organocatalyst for the synthesis of enantioenriched phenylalanine derivatives by enantioselective decarboxylative protonation

Pigeaux, Morgane,Laporte, Romain,Harrowven, David C.,Baudoux, Jér?me,Rouden, Jacques

supporting information, p. 4599 - 4603 (2016/09/23)

Access to enantioenriched non-proteogenic phenylalanine derivatives is described using the enantioselective decarboxylative protonation reaction of amidohemimalonate esters catalysed by various cinchona-based compounds. This study compares the catalytic efficiency as well as the enantioselectivity induced by three types of common organocatalysts, namely thioureas, squaramides and bis-cinchona squaramides. One of the main outcome of this work is the observation of a significant influence of the N-protecting group of the hemimalonate on its interaction with the catalyst. This methodology carried out under mild conditions exhibits good substrate scope and functional group tolerance. A substoichiometric amount of catalyst can also be used in certain cases while affording good yields and selectivities.

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