HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → methyl 3-[1-(2-chlorophenyl)ethoxy]-5-(1H-imidazo[4,5-c]pyridin-1-yl)thiophene-2-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 1-Chloro-2-(1-chloroethyl)benzene | HCID 587034 | — |
| 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 3-[1-(2-chlorophenyl)ethoxy]-5-(1H-imidazo[4,5-c]pyridin-1-yl)thiophene-2-carboxylate | HCID 68770215 | — |
| Product | methyl 3-[1-(2-chlorophenyl)ethoxy]-5-(3H-imidazo[4,5-c]pyridin-3-yl)thiophene-2-carboxylate | HCID 68771752 | — |
Reaction Steps
In a similar manner as described for example B3, 300 mg 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 181 mg K2CO3 and 206 mg 1-chloro-2-(1-chloroethyl)benzene in 5 ml N,N-dimethylformamide yield methyl 3-[1-(2-chlorophenyl)ethoxy]-5-(1H-imidazo[4,5-c]pyridin-1-yl)thiophene-2-carboxylate and methyl 3-[1-(2-chlorophenyl)ethoxy]-5-(3H-imidazo[4,5-c]pyridin-3-yl)thiophene-2-carboxylate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08273890B2 |
| Source dataset | uspto-grants-2012_09 |
| ORD ID | ord-6cc1a026b5374f3e9d3757b5abf4d805 |
| Source note | uspto-grants-2012_09 |