HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 869149Generated: October 30, 2026
Hydrochloric Acid → HCID 67452623, compound
https://huagongshe.com/reaction/869149
Participants
| Role | Name | HCID | Charge |
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| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | HCID 67451790 | HCID 67451790 | — |
| Reactant | HCID 178418689 | HCID 178418689 | — |
| Solvent | Diethyl Ether | HCID 3283 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 67452623 | HCID 67452623 | 18% |
Reaction Steps
6-((1-(3-Fluoropyridin-2-yl)cyclobutyl)methylamino)pyridazine-3-carbonitrile (500 mg, 1.8 mmol, 1.0 equiv) was dissolved in THF (4.5 mL) and transferred to a 20 dram vial. The mixture was cooled to 0° C. and MeMgBr (1.8 mL, 5.3 mmol of a 3M solution in Et2O, 2.9 equiv) was added. The reaction was stirred at this temperature for 15 min. The reaction mixture was poured into ice water, acidified to pH of 2 with 2N aqueous hydrochloric acid, and then extracted EtOAc (30 mL). The organic layer was then separated, dried over Na2SO4, filtered, and concentrated to give a crude solid that was purified by silica gel column chromatography (50% EtOAc/hexanes) to give 104 mg (18%) of 1-(6-((1-(3-fluoropyridin-2-yl)cyclobutyl)methylamino)pyridazin-3-yl)ethanone as a white powder. m/z=301.1 [M+H]+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08969346B2 |
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| Source dataset | uspto-grants-2015_03 |
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| ORD ID | ord-5cd744e7d0c24a17bd1053cf29304766 |
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| Source note | uspto-grants-2015_03 |
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