HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 579236Generated: October 29, 2026
Hydrochloric Acid → HCID 66695563, compound
https://huagongshe.com/reaction/579236
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | N-methyl-2-pyrrolidone | HCID 13387 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | HCID 56943037 | HCID 56943037 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 66695563 | HCID 66695563 | 44.5% |
Reaction Steps
To a 30 ml volume three-necked flask, 4-(2,6-diethyl-4-methylphenyl)-2-methyl-5-methylsulfinyl-6-trifluoromethyl-2,3-dihydro-3-pyridazinone ((2-49)-(1)-39) (0.375 g), N-methylpyrrolidone (3.49 g), water (1.75 g), and sodium hydroxide (0.34 g) were added at room temperature. The resulting mixture was stirred at 50° C. for 4 hours. Then, the resulting mixture was cooled to room temperature, added 12N hydrochloric acid (1.5 ml) and water (15 ml), and extracted with ethyl acetate (30 ml). The organic layer was dried over anhydrous magnesium sulfate, concentrated under reduced pressure, and subjected to silica gel column chromatography (hexane: ethyl acetate=7:1 to hexane: ethyl acetate=5:1 to hexane: ethyl acetate=3:1) to give 0.147 g of 4-(2,6-diethyl-4-methylphenyl)-5-hydroxyl-2-methyl-6-trifluoromethyl-2,3-dihydro-3-pyridazinone ((1-16)-(1)-39).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09040709B2 |
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| Source dataset | uspto-grants-2015_05 |
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| ORD ID | ord-1381436bf7a24c628a390c15f9e9c5f4 |
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| Source note | uspto-grants-2015_05 |
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