HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethanol → Tert-butyl {5-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]-2-chlorophenyl}carbamate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | Hydroxylamine HCl | HCID 21645 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | Ethyl {[(5-{3-[(tert-butoxycarbonyl)amino]-4-chlorophenoxy}pyridin-2-yl)amino]carbonothioyl}carbamate | HCID 57749196 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | Tert-butyl {5-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]-2-chlorophenyl}carbamate | HCID 57749084 | 94.2% |
Reaction Steps
In the same manner as in Example 23-1 and using ethyl{[(5-{3-[(tert-butoxycarbonyl)amino]-4-chlorophenoxy}pyridin-2-yl)amino]carbonothioyl}carbamate (7.23 g, 15.5 mmol), hydroxylammonium chloride (7.64 g, 0.110 mol), N,N-diisopropylethylamine (13.5 mL, 77.4 mmol), ethanol (50 mL) and methanol (50 mL) as starting materials, the title compound (5.49 g, 92%) was obtained as a white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08304557B2 |
| Source dataset | uspto-grants-2012_11 |
| ORD ID | ord-f892bf166bd2472b8fa1cab4e1741be2 |
| Source note | uspto-grants-2012_11 |