HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → Ethyl 4-cyclohex-1-en-1-yl-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Cesium carbonate | HCID 10796 | — |
| Reactant | 2-(Cyclohex-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | HCID 10932675 | — |
| Reactant | Ethyl 2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-4-{[(trifluoromethyl)sulfonyl]oxy}-1,3-thiazole-5-carboxylate | HCID 86649587 | — |
| Solvent | 1,2-Dimethoxyethane | HCID 8071 | — |
| Product | Ethyl 4-cyclohex-1-en-1-yl-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxylate | HCID 66856205 | 95.8% |
Reaction Steps
Using ethyl 2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-4-{[(trifluoromethyl)sulfonyl]oxy}-1,3-thiazole-5-carboxylate (220 mg, 0.5 mmol) produced in Example 15(i), 2-cyclohex-1-en-1-yl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (620 mg, 3.0 mmol), [1,1-bis(diphenylphosphino)ferrocene]palladium(II) dichloride dichloromethane complex (72 mg, 0.088 mmol), cesium carbonate (620 mg, 1.9 mmol), water (0.5 mL) and 1,2-dimethoxyethane (15 mL) as starting materials and in the same manner as in Example 13-B (iii), the title compound (176 mg, 95%) was obtained as a yellow solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09139589B2 |
| Source dataset | uspto-grants-2015_09 |
| ORD ID | ord-9506f3e6985d47209bb5552238014fd1 |
| Source note | uspto-grants-2015_09 |