HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 2-(3-Aminopyridazin-4-yl)cyclohex-2-en-1-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 4-(1,4-Dioxaspiro[4.5]dec-6-en-6-yl)pyridazin-3-amine | HCID 89963438 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 2-(3-Aminopyridazin-4-yl)cyclohex-2-en-1-one | HCID 89963052 | 99% |
Reaction Steps
The reaction and aftertreatment were conducted in the same manner as in Example 67c by using the crude 4-(1,4-dioxaspiro[4.5]dec-6-en-6-yl)pyridazin-3-amine prepared in Example 82c, 2 M hydrochloric acid (0.37 mL) and THF (0.92 mL), to yield the title compound (69 mg, 99%, 2 steps) as a colorless oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08889741B2 |
| Source dataset | uspto-grants-2014_11 |
| ORD ID | ord-634844d5f118469f94b3e0d13a3fb54f |
| Source note | uspto-grants-2014_11 |