HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 379396Generated: October 25, 2026
2-Bromoethanol → N-(3,5-Bis-trifluoromethyl-benzyl)-6-[4-(2-hydroxy-ethyl)-piperazin-1-yl]-N-methyl-4-o-tolyl-nicotinamide
https://huagongshe.com/reaction/379396
Participants
| Role | Name | HCID | Charge |
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| Reactant | 2-Bromoethanol | HCID 10898 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | N-(3,5-bis-trifluoromethyl-benzyl)-N-methyl-6-piperazin-1-yl-4-o-tolyl-nicotinamide | HCID 10280286 | — |
| Solvent | Acetonitrile | HCID 6342 | — |
| Product | N-(3,5-Bis-trifluoromethyl-benzyl)-6-[4-(2-hydroxy-ethyl)-piperazin-1-yl]-N-methyl-4-o-tolyl-nicotinamide | HCID 9938188 | 78.7% |
Reaction Steps
A mixture of 100 mg (0.186 mmol) N-(3,5-bis-trifluoromethyl-benzyl)-N-methyl-6-piperazin-1-yl-4-o-tolyl-nicotinamide (Example 53), 0.030 ml (0.42 mmol)2-bromo-ethanol and 46 mg (0.33 mmol) potassium carbonate in 2 ml acetonitrile was stirred at 45° C. for 70 h. After cooling to room temperature 10 ml 1 N sodium hydroxide solution were added. Extraction with 3 15-ml portions of ethyl acetate, drying with sodium sulfate and concentration gave 138 mg of the crude product. Flash column chromatography afforded 85 mg (78.6%) of the title compound as a white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06297375B1 |
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| Source dataset | uspto-grants-2001_10 |
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| ORD ID | ord-911c5194d69542a1ab0ef605ba97880a |
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| Source note | uspto-grants-2001_10 |
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