HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromo-2-chloroanisole → 1-(4-Chloro-3-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromo-2-chloroanisole | HCID 2769567 | — |
| Reactant | 1-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine | HCID 66759731 | — |
| Product | 1-(4-Chloro-3-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine | HCID 59485058 | 24.1% |
Reaction Steps
By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (274 mg, 1.00 mmol) synthesized in Reference example 61 and 4-bromo-1-chloro-2-methoxybenzene (332 mg, 1.50 mmol), the reaction was carried out in the same manner as Example 23 to obtain the title compound 100 mg (yield 24%). Melting point was 168 to 171° C. (ethyl acetate-hexane).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08288390B2 |
| Source dataset | uspto-grants-2012_10 |
| ORD ID | ord-5078f6ec9efa4aa3b83e7287982092ab |
| Source note | uspto-grants-2012_10 |