HuagongsheHuagongshe Chemistry Print Report · For research reference only
tert-Butanol → Tert-butyl [6-(3-{[3-(1-cyano-1-methylethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]carbamate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | tert-Butanol | HCID 6386 | — |
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | P,P-Diphenylphosphinic azide | HCID 199401 | — |
| Reactant | 6-(3-{[3-(1-Cyano-1-methylethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazine-2-carboxylic acid | HCID 57505456 | — |
| Product | Tert-butyl [6-(3-{[3-(1-cyano-1-methylethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]carbamate | HCID 57505457 | 71% |
Reaction Steps
Using 6-(3-{[3-(1-cyano-1-methylethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazine-2-carboxylic acid (826 mg, 1.87 mmol), diphenylphosphoryl azide (771 mg, 2.81 mmol), triethylamine (381 mg, 3.74 mmol) and tert-butanol (30.0 mL), and in the same manner as in Example 64, the title compound (682 mg, 71%) was obtained as a white powder.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08044049B2 |
| Source dataset | uspto-grants-2011_10 |
| ORD ID | ord-25bedd1b8db842fabd21fb34ac7f6f49 |
| Source note | uspto-grants-2011_10 |