HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1661793Generated: October 30, 2026
2-(4-Hydroxyphenyl)acetohydrazide → 4-(6-Thiazol-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-ylmethyl)-phenol
https://huagongshe.com/reaction/1661793
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 2-(4-Hydroxyphenyl)acetohydrazide | HCID 3731866 | — |
| Reactant | 3-Chloro-6-thiazol-2-yl-pyridazine | HCID 57654591 | — |
| Solvent | 1-Butanol | HCID 263 | — |
| Product | 4-(6-Thiazol-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-ylmethyl)-phenol | HCID 57654531 | 37.2% |
Reaction Steps
3-Chloro-6-thiazol-2-yl-pyridazine (20 mg, 0.10 mmol) and (4-Hydroxy-phenyl)-acetic acid hydrazide (20 mg, 0.12 mmol) were combined in butanol (5 mL), fitted with water filled condenser and heated to 120° C. overnight. The reaction was concentrated in vacuo followed by purification by HPLC (10-80% CH3CN over 25 min) resulting in the title compound (11.5 mg, 37%) as a white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08030305B2 |
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| Source dataset | uspto-grants-2011_10 |
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| ORD ID | ord-fb4599f9ff934ff6a8a3063cafb04a1d |
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| Source note | uspto-grants-2011_10 |
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