Ac-leu-nhme

Base Information

• Chemical Name: Ac-leu-nhme
• CAS No.: 32483-15-1
• Molecular Formula: C₉H₁₈N₂O₂
• Molecular Weight: 186.254
• Hs Code.: 2924199090
• DSSTox Substance ID: DTXSID40426220
• Nikkaji Number: J939.903H
• Wikidata: Q82239180
• Mol file: 32483-15-1.mol

Synonyms:N-acetyl-leucine-methylamide;NALMA cpd

Chemical Property of Ac-leu-nhme

Chemical Property:

• Vapor Pressure: 6.71E-07mmHg at 25°C
• Melting Point: 165.3-166.8 °C
• Refractive Index: 1.449
• Boiling Point: 409 °C at 760 mmHg
• PKA: 14.62±0.46(Predicted)
• Flash Point: 176.4 °C
• PSA: 58.20000
• Density: 0.981 g/cm³
• LogP: 1.06500
• Storage Temp.: Store at RT.
• XLogP3: 0.1
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 4
• Exact Mass: 186.136827821
• Heavy Atom Count: 13
• Complexity: 190

Purity/Quality:

99% ^*data from raw suppliers

Ac-Leu-NHMe ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

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

Technology Process of Ac-leu-nhme

There total 7 articles about Ac-leu-nhme 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: 15.0%

N-Ac-Leu (1188-21-2) + methylamine (74-89-5) → Ac-Leu-NHMe (32483-15-1)

Guidance literature:

N-Ac-Leu; With 4-methyl-morpholine; pivaloyl chloride; In tetrahydrofuran; N,N-dimethyl-formamide; at -10 ℃; for 0.166667h;

methylamine; In tetrahydrofuran; N,N-dimethyl-formamide; for 1.5h;

DOI:10.1021/acs.joc.8b03224

Reference yield:

Z-Leu-OH (2018-66-8) → Ac-Leu-NHMe (32483-15-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 1.) N-ethylmorpholine, isobutyl chloroformate / 1.) THF, -15 deg C, 5 min; 2.) THF/EtOH, -15 deg C to rt., 20 min

2: H₂ / 5percent Pd/C / aq. acetic acid / Ambient temperature

3: pyridine / 0.25 h / -15 °C

With N-ethylmorpholine;; hydrogen; isobutyl chloroformate; palladium on activated charcoal; In pyridine; acetic acid;

DOI:10.1039/f19858102191

Reference yield:

(S)-benzyl 4-methyl-1-(methylamino)-1-oxopentan-2-ylcarbamate (64569-67-1) → Ac-Leu-NHMe (32483-15-1)

Guidance literature:

Multi-step reaction with 2 steps

1: H₂ / 5percent Pd/C / aq. acetic acid / Ambient temperature

2: pyridine / 0.25 h / -15 °C

With hydrogen; palladium on activated charcoal; In pyridine; acetic acid;

DOI:10.1039/f19858102191

upstream raw materials:

N-acetyl-L-leucine methyl ester

methylamine

N-Ac-Leu

L-leucine-N-methylamide

Refernces

• 1、 -. "PROCESS FOR STRAIGHTENING KERATIN FIBRES WITH A HEATING MEANS AND DENATURING AGENTS". . . Retrieved 2010/03/02.