HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Hydroxylamine HCl → Tert-butyl {3-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]phenyl}carbamate
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Hydroxylamine HCl | HCID 21645 | — |
| Edukt | Diisopropylethylamine | HCID 81531 | — |
| Edukt | Ethyl isothiocyanatoformate | HCID 85320 | — |
| Edukt | Tert-butyl 3-(6-aminopyridin-3-yloxy)phenylcarbamate | HCID 57749334 | — |
| Lösungsmittel | Dimethyl Sulfoxide | HCID 679 | — |
| Lösungsmittel | Ethanol | HCID 702 | — |
| Lösungsmittel | Methanol | HCID 887 | — |
| Produkt | Tert-butyl {3-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]phenyl}carbamate | HCID 57749279 | 94% |
Reaktionsschritte
In the same manner as in Example 17-1 and using tert-butyl {3-[(6-aminopyridin-3-yl)oxy]phenyl}carbamate (15.0 g, 49.8 mmol), ethyl isothiocyanatoformate (7.18 g, 54.8 mmol), DMSO (50 mL), hydroxylammonium chloride (11.8 g, 170 mmol), N,N-diisopropylethylamine (21.2 mL, 122 mmol), ethanol (70 mL) and methanol (70 mL) as starting materials, the title compound (10.5 g, 94%) was obtained as a white solid.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US08304557B2 |
| Quelldatensatz | uspto-grants-2012_11 |
| ORD ID | ord-67168c839fcc4a498f73b6428604e2d4 |
| Quellennotiz | uspto-grants-2012_11 |