HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → methyl 5-(3H-imidazo[4,5-c]pyridin-3-yl)-3-{[2-(trifluoromethyl)benzyl]oxy}thiophene-2-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 1-(Bromomethyl)-2-(trifluoromethyl)benzene | HCID 123057 | — |
| Reactant | methyl 3-hydroxy-5-(3H-imidazo[4,5-c]pyridin-3-yl)thiophene-2-carboxylate | HCID 68765327 | — |
| Reactant | methyl 3-hydroxy-5-(1H-imidazo[4,5-c]pyridin-1-yl)thiophene-2-carboxylate | HCID 68766294 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | methyl 5-(3H-imidazo[4,5-c]pyridin-3-yl)-3-{[2-(trifluoromethyl)benzyl]oxy}thiophene-2-carboxylate | HCID 68766098 | — |
Reaction Steps
In a similar manner as described for example B3, 7.92 g of an isomeric mixture of methyl 3-hydroxy-5-(1H-imidazo[4,5-c]pyridin-1-yl)thiophene-2-carboxylate and methyl 3-hydroxy-5-(3H-imidazo[4,5-c]pyridin-3-yl)thiophene-2-carboxylate (example C1) and 4.77 g of K2CO3 and 8.23 g of 1-(bromomethyl)-2-(trifluoromethyl)benzene in 60 ml N,N-dimethylformamide yield compound B1a and compound B1b.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08273890B2 |
| Source dataset | uspto-grants-2012_09 |
| ORD ID | ord-adf1de87494f4d8f92ac0b1ec7122dd0 |
| Source note | uspto-grants-2012_09 |