HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Bromo-1-fluoro-2-methoxybenzene → 1-(4-Fluoro-3-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Bromo-1-fluoro-2-methoxybenzene | HCID 13604909 | — |
| Reactant | 1-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine hydrochloric acid salt | HCID 66759981 | — |
| Product | 1-(4-Fluoro-3-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine | HCID 59485006 | 53.2% |
Reaction Steps
By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine hydrochloric acid salt (311 mg, 1.00 mmol) synthesized in Reference example 147 and 4-bromo-1-fluoro-2-methoxybenzene (308 mg, 1.50 mmol), the reaction was carried out in the same manner as Example 23 to synthesize the title compound 212 mg (yield 53%). Melting point was 152 to 155° C. (hexane).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08288390B2 |
| Source dataset | uspto-grants-2012_10 |
| ORD ID | ord-6952d35de2264df3b3d85e2804f34114 |
| Source note | uspto-grants-2012_10 |