5-Ethyl-1,2-oxazol-3-amine

Base Information

• Chemical Name: 5-Ethyl-1,2-oxazol-3-amine
• CAS No.: 19754-80-4
• Molecular Formula: C5H8N2O
• Molecular Weight: 112.13000
• Hs Code.: 2934999090
• European Community (EC) Number: 832-269-2
• DSSTox Substance ID: DTXSID00408249
• Wikidata: Q72436815
• Mol file: 19754-80-4.mol

Synonyms:5-ethylisoxazol-3-amine;5-ethyl-1,2-oxazol-3-amine;19754-80-4;3-Isoxazolamine, 5-ethyl-;MFCD00955701;3-amino-5-ethylisoxazole;5-ethyl-3-aminoisoxazole;(5-Ethylisoxazol-3-yl)amine;SCHEMBL1979609;DTXSID00408249;INRPZCXQEPGTQB-UHFFFAOYSA-N;5-Ethyl-3-isoxazolamine, AldrichCPR;AKOS011971646;DS-8231;AM806538;SY190829;CS-0152523;EN300-82185;A880034

Chemical Property of 5-Ethyl-1,2-oxazol-3-amine

Chemical Property:

• Melting Point: 71-72℃
• PSA: 52.78000
• LogP: 0.74930
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• XLogP3: 0.9
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 112.063662883
• Heavy Atom Count: 8
• Complexity: 76.8

Purity/Quality:

97% ^*data from raw suppliers

5-ethyl-1,2-oxazol-3-amine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1=CC(=NO1)N

Technology Process of 5-Ethyl-1,2-oxazol-3-amine

There total 4 articles about 5-Ethyl-1,2-oxazol-3-amine 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: 77.0%

3-hydroxyvaleronitrile (13635-05-7) → 5-ethyl-1,2-oxazol-3-amine (19754-80-4)

Guidance literature:

3-hydroxyvaleronitrile; With hydroxylamine hydrochloride; ammonia; In water; at 20 - 70 ℃; for 5h;

With manganese(IV) oxide; boron trifluoride diethyl etherate; In toluene; for 3h; Reagent/catalyst; Temperature; Reflux;

Reference yield: 51.0%

3-oxo-pentanenitrile (33279-01-5) → 5-ethyl-1,2-oxazol-3-amine (19754-80-4)

Guidance literature:

With hydrazine; In ethanol; water; at 70 ℃; for 12h;

Reference yield:

2-(2-ethyl[1,3]dioxolan-2-yl)-N-hydroxy-acetamidine (606129-63-9) → 5-ethyl-1,2-oxazol-3-amine (19754-80-4)

Guidance literature:

With hydrogenchloride; water; In ethanol; at 50 ℃; for 72h; pH=1; Heating / reflux;

upstream raw materials:

2-(2-ethyl[1,3]dioxolan-2-yl)-N-hydroxy-acetamidine

3-oxo-pentanenitrile

3-hydroxyvaleronitrile

Downstream raw materials:

N-(5-ethylisoxazol-3-yl)-2-(4-hydroxy-2-methoxyphenyl)acetamide