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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1850442Generated: October 30, 2026

5-Bromo-2-fluorotoluene → 1-(4-Fluoro-3-methylphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

https://huagongshe.com/reaction/1850442

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromo-2-fluorotolueneHCID 123527—
Reactant1-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 66759731—
Product1-(4-Fluoro-3-methylphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 5948503360.4%

Reaction Steps

By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (311 mg, 1.0 mmol) synthesized in Reference example 61 and 5-bromo-2-fluorotoluene (0.191 mL, 1.5 mmol), the reaction was carried out in the same manner as Example 23 to synthesize the title compound 231 mg (yield 60%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08957069B2
Source datasetuspto-grants-2015_02
ORD IDord-e8a63c83a88748fd94ae94effa613c06
Source noteuspto-grants-2015_02