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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1030421Generated: October 30, 2026

p-Toluenesulfonic acid → 6-Acetoxy-2,5,7,8-tetramethyl-2-(4-nitrophenoxymethyl)-2H-chromene

https://huagongshe.com/reaction/1030421

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
ReactantHCID 15093830HCID 15093830—
SolventBenzeneHCID 241—
Product6-Acetoxy-2,5,7,8-tetramethyl-2-(4-nitrophenoxymethyl)-2H-chromeneHCID 11047586—

Reaction Steps

Following the procedure described in Preparation 57, 160 mg of 6-acetoxy-4-hydroxy-2,5,7,8-tetramethyl-2-(4-nitrophenoxymethyl)chroman (prepared as described in Preparation 48), 10 mg of p-toluenesulfonic acid and 2 ml of benzene gave the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05104888
Source datasetuspto-grants-1992_04
ORD IDord-e1491c21c6ca4bf28be5a4212e837b17
Source noteuspto-grants-1992_04