Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2063859Generated: October 25, 2026

5-Bromo-2-chloroanisole → 1-(4-Chloro-3-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

https://huagongshe.com/reaction/2063859

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromo-2-chloroanisoleHCID 2769567—
Reactant1-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 66759731—
Product1-(4-Chloro-3-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 5948505824.1%

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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08288390B2
Source datasetuspto-grants-2012_10
ORD IDord-5078f6ec9efa4aa3b83e7287982092ab
Source noteuspto-grants-2012_10