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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1479772Generated: October 31, 2026

p-Toluenesulfonic acid → HCID 89581112, compound

https://huagongshe.com/reaction/1479772

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant3,4-dihydro-2H-pyranHCID 8080—
ReactantHCID 13142463HCID 13142463—
SolventDichloromethaneHCID 6344—
ProductHCID 89581112HCID 8958111297%

Reaction Steps

To the solution of 3-(4-bromophenyl)butan-1-ol (791 mg, 3.47 mmol) in dichloromethane (50 mL) was added 3,4-dihydro-2H-pyran (437 mg, 5.2 mmol) and p-toluenesulfonic acid (60 mg, 0.347 m mol), the solution was stirred for 12 hours at room temperature, then the solution was washed with water and dried with sodium sulfate, concentrated to give 2-(3-(4-bromophenyl)butoxy)-tetrahydro-2H-pyran (1.05 g, 97%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09409865B2
Source datasetuspto-grants-2016_08
ORD IDord-0475d10712d74a87b39b4cd459b35898
Source noteuspto-grants-2016_08