5-Bromo-1-methyl-1H-1,2,3-triazole

Base Information

• Chemical Name: 5-Bromo-1-methyl-1H-1,2,3-triazole
• CAS No.: 16681-82-6
• Molecular Formula: C3H4BrN3
• Molecular Weight: 161.989
• European Community (EC) Number: 817-958-8
• DSSTox Substance ID: DTXSID401296078
• Nikkaji Number: J857.713G
• Mol file: 16681-82-6.mol

Synonyms:5-BROMO-1-METHYL-1H-1,2,3-TRIAZOLE;16681-82-6;5-bromo-1-methyltriazole;1H-1,2,3-Triazole, 5-bromo-1-methyl-;SCHEMBL11723650;ZTGUHAUTOFRQDE-UHFFFAOYSA-N;DTXSID401296078;MFCD13190021;AKOS024052067;AB69597;1-Methyl-5-bromo-1H-1,2,3-triazole;BS-12782;CS-0139189;EN300-153878

Chemical Property of 5-Bromo-1-methyl-1H-1,2,3-triazole

Chemical Property:

• PSA: 30.71000
• LogP: 0.57760
• XLogP3: 0.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 160.95886
• Heavy Atom Count: 7
• Complexity: 67.2

Purity/Quality:

97% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CN1C(=CN=N1)Br

Technology Process of 5-Bromo-1-methyl-1H-1,2,3-triazole

There total 4 articles about 5-Bromo-1-methyl-1H-1,2,3-triazole 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: 57.0%

Toluene-4-sulfonate5-bromo-3-(3-bromo-4-methoxy-benzyl)-1-methyl-3H-[1,2,3]triazol-1-ium; → 5-bromo-1-methyl-1H-1,2,3-triazole (16681-82-6)

Guidance literature:

With sulfuric acid; at 120 ℃; for 1h;

Reference yield:

diazomethane (186581-53-3,908094-01-9,334-88-3) + diethyl ether (60-29-7,927820-24-4) + bromocyane (506-68-3) → 4-bromo-1-methyl-1H-1,2,3-triazole (13273-53-5) + 4-bromo-2-methyl-2H-1,2,3-triazole (16681-67-7) + 5-bromo-1-methyl-1H-1,2,3-triazole (16681-82-6) + cyanomethyl bromide (590-17-0)

Guidance literature:

Reference yield:

1-methyl-1,2,3-triazole (16681-65-5) → 5-bromo-1-methyl-1H-1,2,3-triazole (16681-82-6)

Guidance literature:

With n-butyllithium; bromine; Yield given. Multistep reaction; 1.) hexane, THF, -40 deg C, 1 h, 2.) hexane, THF, RT, 2 h;

DOI:10.1248/cpb.45.1140

upstream raw materials:

diazomethane

diethyl ether

bromocyane

1-methyl-1,2,3-triazole

Downstream raw materials:

(3-methyl-3H-[1,2,3]triazol-4-yl)-phenyl-amine

3-methyl-3H-[1,2,3]triazol-4-ylamine