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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1850467Generated: October 26, 2026

4-Bromophenetole → 1-(4-Ethoxyphenyl)-4-(7-ethoxy-2,4,6-trimethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

https://huagongshe.com/reaction/1850467

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromophenetoleHCID 68523—
Reactant1-(7-Ethoxy-2,4,6-trimethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 66759671—
Product1-(4-Ethoxyphenyl)-4-(7-ethoxy-2,4,6-trimethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 5948501165%

Reaction Steps

By using 1-(7-ethoxy-2,4,6-trimethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (580 mg, 2.0 mmol) synthesized in Reference example 89 and 1-bromo-4-ethoxybenzene (804 mg, 4.0 mmol), the reaction was carried out in the same manner as Example 23 to synthesize the title compound 532 mg (yield 65%). Melting point was 121 to 122° C. (ethanol-water).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08957069B2
Source datasetuspto-grants-2015_02
ORD IDord-b89093cef83943fd81d6ef748f43ab76
Source noteuspto-grants-2015_02