![](/CAS/GIF/5006-20-2.gif)
5-Ethoxy-4-methyloxazole synthesis
- Product Name:5-Ethoxy-4-methyloxazole
- CAS Number:5006-20-2
- Molecular formula:C6H9NO2
- Molecular Weight:127.14
![2-Oxazolecarboxylic acid, 5-ethoxy-4-methyl-, ethyl ester](/CAS/GIF/23429-04-1.gif)
23429-04-1
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![5-Ethoxy-4-methyloxazole](/CAS/GIF/5006-20-2.gif)
5006-20-2
120 suppliers
$21.00/250mg
Yield:5006-20-2 93.7 %Chromat.
Reaction Conditions:
with toluene-4-sulfonic acid;acetic acid in toluene at 90; for 3 h;Solvent;Temperature;Reagent/catalyst;
Steps:
7-8; 10 Example 7
In a reaction flask, add 19.9g4-methyl-5-ethoxyoxazolecarboxylic acid ethyl ester (0.1 mol), 8.58 mL of acetic acid (0.15 mol) and 0.86 g of p-toluenesulfonic acid (0.005 mol),Then, 20 mL of toluene was added, and the mixture was stirred at 90 ° C for 3 hours.After the system has no bubbles, the reaction is over.The internal standard yield of 4-methyl-5-ethoxyoxazole detected by gas chromatography was 93.5% (n-dodecane was the internal standard).At the same time, 4.1% of N-formylalanine ethyl ester was generated (area normalization method).
References:
Shandong Xinhe Cheng Jinghua Technology Co., Ltd.;Zhejiang Xinhecheng Co., Ltd.;Chen Weiyong;Zhao Lei;Huang Jian;Wang Haitao;Sheng Meilan;Wu Yuanyuan;Wu Xudong;Liang Hao;Su Weiwei CN110713468, 2020, A Location in patent:Paragraph 0046-0049; 0052-0053
![Alanine, N-formyl-, ethyl ester](/CAS/20180527/GIF/4289-99-0.gif)
4289-99-0
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![5-Ethoxy-4-methyloxazole](/CAS/GIF/5006-20-2.gif)
5006-20-2
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$21.00/250mg
![2-Oxazolecarboxylic acid, 5-ethoxy-4-methyl-](/CAS/20200611/GIF/23429-05-2.gif)
23429-05-2
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![5-Ethoxy-4-methyloxazole](/CAS/GIF/5006-20-2.gif)
5006-20-2
120 suppliers
$21.00/250mg
![ethyl 2-(2-ethoxy-2-oxoacetamido)propanoate(WXC08434)](/CAS/20180808/GIF/23460-73-3.gif)
23460-73-3
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![5-Ethoxy-4-methyloxazole](/CAS/GIF/5006-20-2.gif)
5006-20-2
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$21.00/250mg
![Alanine, ethyl ester (9CI)](/CAS/GIF/17344-99-9.gif)
17344-99-9
21 suppliers
$100.00/5 g
![5-Ethoxy-4-methyloxazole](/CAS/GIF/5006-20-2.gif)
5006-20-2
120 suppliers
$21.00/250mg