L-Leucine, N-(aminocarbonyl)-

Base Information

• Chemical Name: L-Leucine, N-(aminocarbonyl)-
• CAS No.: 26117-20-4
• Molecular Formula: C7H14N2O3
• Molecular Weight: 174.2
• Hs Code.: 2924199090
• European Community (EC) Number: 841-365-3
• DSSTox Substance ID: DTXSID70356768
• Nikkaji Number: J785.100F
• Mol file: 26117-20-4.mol

Synonyms:26117-20-4;L-Leucine, N-(aminocarbonyl)-;(2S)-2-(carbamoylamino)-4-methylpentanoic acid;(S)-4-Methyl-2-ureidopentanoic acid;N-Carbamyl-L-leucine;n-carbamoyl-l-leucine;L-4-Methyl-2-ureidopentanoic acid;Carbamoyl-L-leucine;L-Leucine,N-(aminocarbonyl)-;SCHEMBL1001704;DTXSID70356768;FD21928;CS-0216396;EN300-4207624

Chemical Property of L-Leucine, N-(aminocarbonyl)-

Chemical Property:

• Boiling Point: 321.9 °C at 760 mmHg
• Flash Point: 148.5 °C
• PSA: 92.42000
• Density: 1.168 g/cm³
• LogP: 1.24520
• Storage Temp.: Store at RT.
• XLogP3: -0.8
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 4
• Exact Mass: 174.10044231
• Heavy Atom Count: 12
• Complexity: 180

Purity/Quality:

98%Min ^*data from raw suppliers

(S)-4-Methyl-2-ureidopentanoicacid 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

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

Technology Process of L-Leucine, N-(aminocarbonyl)-

There total 8 articles about L-Leucine, N-(aminocarbonyl)- 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: 96.0%

L-leucine hydrochloride (760-84-9) → N-carbamoyl-L-leucine (26117-20-4)

Guidance literature:

With potassium cyanate; In water; at 60 ℃; for 4h;

DOI:10.1016/S0040-4020(01)90026-2

Reference yield: 92.0%

L-leucine (61-90-5,21675-61-6,25248-98-0,70-45-1) + urea (57-13-6) → N-carbamoyl-L-leucine (26117-20-4)

Guidance literature:

With sodium hydroxide; for 0.0666667h; microwave irradiation;

DOI:10.1080/00397910701317068

Reference yield: 78.0%

potassium cyanate (590-28-3) + L-leucine (61-90-5,21675-61-6,25248-98-0,70-45-1) → N-carbamoyl-L-leucine (26117-20-4)

Guidance literature:

In water; at 80 ℃; for 1h; Microwave irradiation;

DOI:10.1055/s-0030-1258553

upstream raw materials:

L-leucine

Citrulline

L-leucine hydrochloride

L-5-isobutylhydantoin

Downstream raw materials:

L-leucine

urea

L-leucyl-glycine

(R)-4-[2-((S)-1-Carboxy-3-methyl-butyl)-2H-pyrazol-3-yl]-oxazolidine-3-carboxylic acid benzyl ester

Refernces

• 1、 Verardo, Giancarlo,Geatti, Paola,Strazzolini, Paolo. "Rapid and efficient microwave-assisted synthesis of N-carbamoyl-L-amino acids". . p. 1833 - 1844. Retrieved 2008/02/02.
• 2、 De Luca, Lidia,Falorni, Massimo,Giacomelli, Giampaolo,Porcheddu, Andrea. "New pyrazole containing bicarboxylic α-amino acids: Mimics of the cis amide bond". . p. 8701 - 8704. Retrieved 2007/10/03.