Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1850435Generated: November 1, 2026

1,4-Dibromobenzene → 1-(4-Bromophenyl)-4-(2,4,6,7-tetramethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

https://huagongshe.com/reaction/1850435

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,4-DibromobenzeneHCID 7804—
Reactant1-(2,4,6,7-Tetramethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 66759810—
Product1-(4-Bromophenyl)-4-(2,4,6,7-tetramethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 5948503955.4%

Reaction Steps

By using 1-(2,4,6,7-tetramethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (2.60 g, 10.0 mmol) synthesized in Reference example 56 and 1,4-dibromobenzene (7.08 g, 30 mmol), the reaction was carried out in the same manner as Example 23 to synthesize the title compound 2.3 g (yield 55%). Melting point was 202 to 204° C. (hexane-ethyl acetate).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08957069B2
Source datasetuspto-grants-2015_02
ORD IDord-3a59d50c07fd47a8a3d3567ee84634b4
Source noteuspto-grants-2015_02