2,5-Dimethyl-3-(2-methylpropyl)pyrazine

Base Information

• Chemical Name: 2,5-Dimethyl-3-(2-methylpropyl)pyrazine
• CAS No.: 32736-94-0
• Molecular Formula: C10H16N2
• Molecular Weight: 164.25
• Mol file: 32736-94-0.mol

Synonyms:Pyrazine, 2,5-dimethyl-3-(2-methylpropyl)-;2,5-Dimethyl-3-isobutylpyrazine;2,5-Dimethyl-3-isobutylpyrazin;UNII-17J126RD59;Pyrazine,3-isobutyl-2,5-dimethyl;2,5-Dimethyl-6-isobutylpyrazine;2-Isobutyl-3,6-dimethylpyrazin;3-isobutyl-2,5-dimethyl-pyrazine;

Chemical Property of 2,5-Dimethyl-3-(2-methylpropyl)pyrazine

Chemical Property:

• PSA: 25.78000
• LogP: 2.29190

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5-Dimethyl-3-(2-methylpropyl)pyrazine

There total 5 articles about 2,5-Dimethyl-3-(2-methylpropyl)pyrazine 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: 82.0%

2,5-dimethyl-3-chloropyrazine (95-89-6) + Isobutyl bromide (78-77-3) → 2,5-dimethyl-3-(2-methylpropyl)pyrazine (32736-94-0)

Guidance literature:

Isobutyl bromide; With magnesium; In tetrahydrofuran;

2,5-dimethyl-3-chloropyrazine; With iron(III)-acetylacetonate; In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; at 0 - 20 ℃; for 2.25h;

DOI:10.1016/j.tet.2017.06.055

Reference yield: 64.0%

2,5-dimethyl-3-chloropyrazine (95-89-6) + isobutylmagnesium bromide (926-62-5) → 2,5-dimethyl-3-(2-methylpropyl)pyrazine (32736-94-0)

Guidance literature:

With iron(III)-acetylacetonate; In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; at 0 ℃; for 0.25h;

DOI:10.1002/ejoc.200500280

Reference yield:

alpha-D-glucopyranose (492-62-6) + L-valine (72-18-4,25609-85-2,7004-03-7,921-10-8) + L-lysine (56-87-1,3506-25-0) → 1,4-pyrazine (290-37-9) + 2,3-dimethylpyrazine (5910-89-4) + 2-ethyl-3,6-dimethylpyrazine (13360-65-1) + 3,5-diethyl-2-methyl-pyrazine (18138-05-1) + 2-Methyl-5-vinyl-pyrazine (13925-08-1) + 2-ethyl-5-methypyrazine (13360-64-0) + 5-ethyl-2,3-dimethylpyrazine (15707-34-3) + 2,5-dimethyl-3-(2-methylpropyl)pyrazine (32736-94-0)

Guidance literature:

at 130 ℃; for 2h;

DOI:10.1021/jf301315b

upstream raw materials:

2,5-dimethyl-3-chloropyrazine

isobutylmagnesium bromide

alpha-D-glucopyranose

L-valine

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