L-Ala-L-Val

Base Information

• Chemical Name: L-Ala-L-Val
• CAS No.: 3303-45-5
• Molecular Formula: C₈H₁₆N₂O₃
• Molecular Weight: 188.227
• Mol file: 3303-45-5.mol

Synonyms:L-Ala-L-Val;AV zwitterion;Ala-Val zwitterion;L-Ala-L-Val zwitterion;L-alanyl-L-valine zwitterion;CHEBI:192471;(2S)-2-{[(2S)-2-azaniumylpropanoyl]amino}-3-methylbutanoate

Chemical Property of L-Ala-L-Val

Chemical Property:

• Appearance/Colour: White powder
• Boiling Point: 401.8 °C at 760 mmHg
• Flash Point: 196.8 °C
• PSA: 92.42000
• Density: 1.134 g/cm³
• LogP: 0.65020
• Storage Temp.: -15°C
• Solubility.: DMSO (Very Slightly, Heated), Water (Slightly)
• XLogP3: -2.3
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 3
• Exact Mass: 188.11609238
• Heavy Atom Count: 13
• Complexity: 198

Purity/Quality:

99%, ^*data from raw suppliers

Ala-Val-OH ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(C)C(C(=O)[O-])NC(=O)C(C)[NH3+]
• Isomeric SMILES: C[C@@H](C(=O)N[C@@H](C(C)C)C(=O)[O-])[NH3+]

Technology Process of L-Ala-L-Val

There total 16 articles about L-Ala-L-Val which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 97.0%

→ L-alanyl-L-valine (1472-66-8,1999-46-8,3303-45-5,3303-46-6,61427-69-8,99146-59-5)

Guidance literature:

With tetrabutyl ammonium fluoride; In N,N-dimethyl-formamide; at 25 ℃; for 0.0833333h;

DOI:10.1016/S0040-4039(00)95763-0

Reference yield:

C23H25N2O5Pol → L-alanyl-L-valine (1472-66-8,1999-46-8,3303-45-5,3303-46-6,61427-69-8,99146-59-5)

Guidance literature:

C₂₃H₂₅N₂O₅Pol; With dimethylsulfoxonium methylide; In tetrahydrofuran; at 20 ℃; for 0.333333h; Inert atmosphere;

With water; In tetrahydrofuran; Inert atmosphere;

DOI:10.1016/j.tet.2012.12.052

Reference yield:

Cbz-L-ala-L-val-Cbz (66880-97-5) → L-alanyl-L-valine (1472-66-8,1999-46-8,3303-45-5,3303-46-6,61427-69-8,99146-59-5)

Guidance literature:

With hydrogen; palladium on activated charcoal; In methanol; for 24h; under 4654.33 Torr;

DOI:10.1039/b509920j

upstream raw materials:

benzyloxycarbonyl-alanyl-valine

pyridine

3-Fluoropyridine

ethylamine

Downstream raw materials:

TrpAlaValGlyHisLeuMetNH2

(S)-2-{(S)-2-[(S)-2-tert-Butoxycarbonylamino-3-(1H-indol-3-yl)-propionylamino]-propionylamino}-3-methyl-butyric acid; compound with dicyclohexyl-amine

Refernces

• 1、 Spinella, Mariagiovanna,De Marco, Rosaria,Belsito, Emilia L.,Leggio, Antonella,Liguori, Angelo. "The dimethylsulfoxonium methylide as unique reagent for the simultaneous deprotection of amino and carboxyl function of N-Fmoc-α-amino acid and N-Fmoc-peptide esters". . p. 2010 - 2016. Retrieved 2013/03/13.
• 2、 -. "DIPEPTIDE-CONTAINING COMPOSITION FOR ORAL ADMINISTRATION". Page/Page column 6-7. . Retrieved 2008/12/06.