Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1198053Generated: October 31, 2026

p-Toluenesulfonic acid → HCID 54556855, compound

https://huagongshe.com/reaction/1198053

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant3,4-dihydro-2H-pyranHCID 8080—
Reactantethyl 5-hydroxy-3-oxo-5,5-diphenylpentanoateHCID 255514—
ProductHCID 54556855HCID 54556855—

Reaction Steps

The title compound (J. W. Wolfe, et al, J. Org. Chem. 29, 3249 (1964) ) was prepared from δ-hydroxy-β-oxo-δ-phenylbenzenepentanoic acid ethyl ester (2.0 g, 0.006 mol), p-toluenesulfonic acid (0.014 g, 0.60 mmol), and 3,4-dihydro-2H-pyran (0.77 g, 0.009 mol) using the procedure described in Example 6, Step A.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05278326
Source datasetuspto-grants-1994_01
ORD IDord-d576f722625042c7a04eefde12a66917
Source noteuspto-grants-1994_01