4,5-Dihydro-2-ethyl-5-methylthiazole

Base Information

• Chemical Name: 4,5-Dihydro-2-ethyl-5-methylthiazole
• CAS No.: 18640-75-0
• Molecular Formula: C6H11NS
• Molecular Weight: 129.2232
• DSSTox Substance ID: DTXSID00940078
• Nikkaji Number: J2.109.316E
• Mol file: 18640-75-0.mol

Synonyms:BRN 0106889;4,5-Dihydro-2-ethyl-5-methylthiazole;Thiazole, 4,5-dihydro-2-ethyl-5-methyl-;18640-75-0;0-27-00-00014 (Beilstein Handbook Reference);2-ethyl-5-methyl-4,5-dihydro-1,3-thiazole;2-Ethyl-5-methyl-2-thiazoline;DTXSID00940078;2-Thiazoline, 2-ethyl-5-methyl-;2-ethyl-5-methyl-4,5-dihydrothiazole;LS-150950;Thiazole, 2-ethyl-4,5-dihydro-5-methyl-

Chemical Property of 4,5-Dihydro-2-ethyl-5-methylthiazole

Chemical Property:

• Vapor Pressure: 1.98mmHg at 25°C
• Boiling Point: 170.1°Cat760mmHg
• Flash Point: 56.7°C
• Density: 1.09g/cm³
• XLogP3: 1.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 129.06122053
• Heavy Atom Count: 8
• Complexity: 109

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1=NCC(S1)C

Technology Process of 4,5-Dihydro-2-ethyl-5-methylthiazole

There total 2 articles about 4,5-Dihydro-2-ethyl-5-methylthiazole 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: 72.0%

N-(2-hydroxypropyl)propionamide (10601-72-6) → 5-Methyl-2-ethyl-Δ2-thiazolin (18640-75-0)

Guidance literature:

With tetraphosphorus decasulfide; at 120 - 130 ℃; for 1.5h; suspension in mineral acid;

Reference yield:

thiopropanamide (631-58-3) + 2-bromopropylamine hydrobromide (2403-33-0) → 5-Methyl-2-ethyl-Δ2-thiazolin (18640-75-0)

Guidance literature:

at 140 - 150 ℃;

Reference yield: 84.0%

5-Methyl-2-ethyl-Δ2-thiazolin (18640-75-0) + pivaloyl chloride (3282-30-2) → 1-(2-ethylidene-5-methylthiazolidin-3-yl)-2,2-dimethylpropan-1-one

Guidance literature:

With triethylamine; In acetonitrile; for 3h; Heating;

DOI:10.1016/j.tetlet.2004.09.182

upstream raw materials:

thiopropanamide

2-bromopropylamine hydrobromide

N-(2-hydroxypropyl)propionamide