HuagongsheHuagongshe Chemistry Print Report · For research reference only
Benzonitrile, 4-bromo- → 4-[4-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazin-1-yl]benzonitrile
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Benzonitrile, 4-bromo- | HCID 12162 | — |
| Reactant | 1-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine | HCID 66759731 | — |
| Product | 4-[4-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazin-1-yl]benzonitrile | HCID 59485104 | 19% |
Reaction Steps
By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (2.74 g, 10.0 mmol) synthesized in Reference example 61 and 4-bromobenzonitrile (2.73 g, 15 mmol), the reaction was carried out in the same manner as Example 23 to synthesis the title compound 700 mg (yield 19%). Melting point was 255 to 257° C. (ethanol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08957069B2 |
| Source dataset | uspto-grants-2015_02 |
| ORD ID | ord-964f489bbfe740e3a0da0278cdc55442 |
| Source note | uspto-grants-2015_02 |