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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2058801Generated: October 31, 2026

p-Toluenesulfonic acid → HCID 13203357, compound

https://huagongshe.com/reaction/2058801

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant2,3-DimercaptopropaneHCID 61217—
Reactant5-Hydroxyoctan-4-oneHCID 219794—
ProductHCID 13203357HCID 13203357—

Reaction Steps

The method of Example 4 was followed, using butyroin (12 g), propane-1,2-dithiol (9 g) and p-toluenesulfonic acid (0.5 g). 2,3-Dihydro-2-methyl-5,6-dipropyl-1,4-dithiin was obtained as a greenish liquid, boiling range 76°-85°/0.055 mm, yield 7.5 g (35%). NMR (CDCl3) 0.92 δ (triplet), 1.25-2.4 δ (complex overlapping doublet, multiplet, and quartet) 2.6-3.6 δ (complex multiplet).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04319033
Source datasetuspto-grants-1982_03
ORD IDord-8a4b7c6f306849a083010ce8bb896320
Source noteuspto-grants-1982_03