HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Bromo-2-fluoroanisole → 1-(3-Fluoro-4-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Bromo-2-fluoroanisole | HCID 75378 | — |
| Reactant | 1-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine | HCID 66759731 | — |
| Product | 1-(3-Fluoro-4-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine | HCID 59485127 | 36.4% |
Reaction Steps
By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (311 mg, 1.0 mmol) synthesized in Reference example 61 and 4-bromo-2-fluoroanisole (0.194 mL, 1.5 mmol), the reaction was carried out in the same manner as Example 23 to synthesize the title compound 145 mg (yield 36%). Melting point was 161 to 163° C. (hexane).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08288390B2 |
| Source dataset | uspto-grants-2012_10 |
| ORD ID | ord-a3951ce60a8142e9b201e65c82087ad3 |
| Source note | uspto-grants-2012_10 |