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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1272315Generated: November 3, 2026

4-Bromoanisole → 3-(4-Methoxyphenyl)-5-(4-(4-methoxyphenyl)piperazin-1-yl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-3-ol

https://huagongshe.com/reaction/1272315

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromoanisoleHCID 7730—
Reactant5-[4-(4-methoxyphenyl)piperazin-1-yl]-2,2,4,6,7-pentamethyl-1-benzofuran-3(2H)-oneHCID 22935595—
SolventHexaneHCID 8058—
Product3-(4-Methoxyphenyl)-5-(4-(4-methoxyphenyl)piperazin-1-yl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-3-olHCID 5884735295%

Reaction Steps

Using 4-bromoanisole and 4-(4-methoxyphenyl)-1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-3-on-5-yl)piperazine obtained in Reference Example 13, the title compound was synthesized in the same manner as in Example 33. Yield 95%. mp. 157–159° C. (hexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07208495B2
Source datasetuspto-grants-2007_04
ORD IDord-2ffe706887e4493d8b57a794d4918883
Source noteuspto-grants-2007_04