HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1107695Generated: October 25, 2026
Formamide → Ethyl 4-methyloxazole-5-carboxylate
https://huagongshe.com/reaction/1107695
Participants
| Role | Name | HCID | Charge |
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| Reactant | Formamide | HCID 713 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | Ethyl 2-chloroacetoacetate | HCID 11858 | — |
| Product | Ethyl 4-methyloxazole-5-carboxylate | HCID 88558 | 39.8% |
Reaction Steps
To ethyl-2-chloroacetoacetate(5.6 g) was added formamide(4.6 g). The reaction mixture was stirred at 120° C. for 12 hours, cooled to 0° C. and aqueous potassium carbonate was added thereto. The mixture was extracted with benzene, dried with anhydrous magnesium sulfate, and concentrated in vacuo to obtain the target product(2.1 g).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06063778 |
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| Source dataset | uspto-grants-2000_05 |
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| ORD ID | ord-5df6a61042a447b080cb08964bf943f0 |
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| Source note | uspto-grants-2000_05 |
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