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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1728968Generated: November 2, 2026

p-Toluenesulfonic acid monohydrate → HCID 17819667, compound

https://huagongshe.com/reaction/1728968

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acid monohydrateHCID 521998—
Reactant4-Isopropyl-2-indanoneHCID 19016868—
ReactantHCID 178418573HCID 178418573—
ProductHCID 17819667HCID 1781966736%

Reaction Steps

11.1 g (63.8 mmol) of indanone b3 were reacted with 2.5 equivalents of methylmagnesium bromide analogously to instructions I.3. The reaction time was 17 hours at room temperature. The mixture was then refluxed with p-toluenesulfonic acid hydrate for 25 minutes. Chromatography gave 3.9 g (36%) of indene b4 as a colorless oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05329033
Source datasetuspto-grants-1994_07
ORD IDord-55dbff5feb26439fabcd1bda5b718411
Source noteuspto-grants-1994_07