HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → 2-Amino-3-cyano-5-(2,3-dihydro-3-hydroxy-2,2-dimethylbenzofuran-7-yl)pyrazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 3-Amino-6-bromopyrazine-2-carbonitrile | HCID 11052611 | — |
| Reactant | 2,3-Dihydro-3-hydroxy2,2-dimethylbenzofuran-7-ylboronic acid | HCID 19040776 | — |
| Catalyst | Tetrakis(triphenylphosphine)palladium | HCID 11979704 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | 2-Amino-3-cyano-5-(2,3-dihydro-3-hydroxy-2,2-dimethylbenzofuran-7-yl)pyrazine | HCID 19040783 | — |
Reaction Steps
This compound is prepared in a manner analogous to that of Step A of Example 4, using 1.6 grams (0.008 mole) of 2-amino-3-cyano-5-bromopyrazine, 2.5 grams (0.012 mole) of 2,3-dihydro-3-hydroxy-2,2-dimethylbenzofuran-7-ylboronic acid, 4.3 grams (0.031 mole) of potassium carbonate and 0.3 gram of tetrakis(triphenylphosphine)palladium(O) in 150 mL of toluene, yielding 2-amino-3-cyano-5-(2,3-dihydro-3-hydroxy-2,2-dimethylbenzofuran-7-yl)pyrazine.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05532367 |
| Source dataset | uspto-grants-1996_07 |
| ORD ID | ord-9aae2a26c97646d99cb9b374d264d3c4 |
| Source note | uspto-grants-1996_07 |