HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Water → Ethyl 4-benzyl-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxylate
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Water | HCID 962 | — |
| Edukt | Cesium carbonate | HCID 10796 | — |
| Edukt | 2-Benzyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | HCID 3864964 | — |
| Edukt | Ethyl 2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-4-{[(trifluoromethyl)sulfonyl]oxy}-1,3-thiazole-5-carboxylate | HCID 86649587 | — |
| Lösungsmittel | 1,2-Dimethoxyethane | HCID 8071 | — |
| Produkt | Ethyl 4-benzyl-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxylate | HCID 66854676 | 43% |
Reaktionsschritte
Using ethyl 2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-4-{[(trifluoromethyl)sulfonyl]oxy}-1,3-thiazole-5-carboxylate (450 mg, 1.1 mmol) produced in Example 15(i), 2-benzyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (1.0 g, 4.6 mmol), [1,1-bis(diphenylphosphino)ferrocene]palladium(II) dichloride dichloromethane complex (70 mg, 0.086 mmol), cesium carbonate (670 mg, 2.1 mmol), water (5 mL) and 1,2-dimethoxyethane (30 mL) as starting materials and in the same manner as in Example 13-B (iii), the title compound (174 mg, 43%) was obtained as a brown solid.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US09090601B2 |
| Quelldatensatz | uspto-grants-2015_07 |
| ORD ID | ord-e1fc3e87474a4dd5b5cbe2632068c5fe |
| Quellennotiz | uspto-grants-2015_07 |