HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 870722Generated: October 30, 2026
Potassium Carbonate → (3-Cyclopent-1-enyl-imidazo[1,2-b]pyridazin-6-yl)-[2-(2-ethoxy-phenyl)-ethyl]-amine
https://huagongshe.com/reaction/870722
Participants
| Role | Name | HCID | Charge |
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| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 2-(Cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | HCID 15486611 | — |
| Reactant | (3-Bromo-imidazo[1,2-b]pyridazin-6-yl)-[2-(2-ethoxy-phenyl)-ethyl]-amine | HCID 86696426 | — |
| Catalyst | HCID 178418476 | HCID 178418476 | — |
| Solvent | Acetonitrile--water (1/1) | HCID 18373917 | — |
| Product | (3-Cyclopent-1-enyl-imidazo[1,2-b]pyridazin-6-yl)-[2-(2-ethoxy-phenyl)-ethyl]-amine | HCID 86696427 | 68.9% |
Reaction Steps
A mixture of (3-bromo-imidazo[1,2-b]pyridazin-6-yl)-[2-(2-ethoxy-phenyl)-ethyl]-amine (90 mg, 0.25 mmol), 2-cyclopent-1-enyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (97 mg, 0.5 mmol), K2CO3 (104 mg, 0.75 mmol) and dichlorobis(triphenylphosphine)palladium(II) (8.8 mg, 0.013 mmol) in MeCN/water (2.8 ml/0.7 ml) was heated in a microwave at 150° C. for 15 min. The water layer was removed and the organic layer was concentrated. The residue was subjected to ISCO. The product was further purified by preparative to give the titled compound (60 mg).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08969565B2 |
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| Source dataset | uspto-grants-2015_03 |
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| ORD ID | ord-43d1c7a61666407986cd97d54bbe0031 |
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| Source note | uspto-grants-2015_03 |
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