HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 67261Generated: October 28, 2026
Hydrochloric Acid → HCID 178429129, compound
https://huagongshe.com/reaction/67261
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | 4-Aminobenzonitrile | HCID 13396 | — |
| Reactant | Sodium Nitrite | HCID 23668193 | — |
| Reactant | 4-Hydroxy-6-methyl-2-pyrone | HCID 54675757 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 178429129 | HCID 178429129 | 94% |
Reaction Steps
To a mixture of 5.9 g (0.05 mol) 4-aminobenzonitrile and 20 ml of 12 N hydrochloric acid in 25 ml of water, cooled to 5° C., there is added dropwise a solution of 3.8 g (0.055 mol) sodium nitrite in 10 ml of water. The solution formed is added to an ice cooled solution of 6.3 g (0.05 mol) 4-hydroxy-6-methyl pyr-2-one and 22 g (0.205 ml) of sodium carbonate in 125 ml of water. The suspension formed is stirred at 5° C. for 1 hr., at room temperature for 3 hrs. and is vacuum filtered. The filter cake is air dried to afford 12 g (94% yield) of product, mp 300° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04345934 |
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| Source dataset | uspto-grants-1982_08 |
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| ORD ID | ord-236093d98fb14bc38167b58ce71c6dc3 |
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| Source note | uspto-grants-1982_08 |
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