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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2356124Generated: October 31, 2026

p-Toluenesulfonic acid → Methyl 4-(4-oxocyclohex-1-en-1-yl)benzoate

https://huagongshe.com/reaction/2356124

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
ReactantMethyl 4-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)benzoateHCID 22730331—
SolventAcetoneHCID 180—
ProductMethyl 4-(4-oxocyclohex-1-en-1-yl)benzoateHCID 22730167—

Reaction Steps

A solution of Example 420B (2.2 g) and p-toluenesulfonic acid (100 mg) in acetone (10 mL) was heated to reflux for 10 hours, filtered through a pad of silica gel (20 g), and concentrated to provide the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07754886B2
Source datasetuspto-grants-2010_07
ORD IDord-ea9d8ce3452c44ac938fcb44d2caedcd
Source noteuspto-grants-2010_07