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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 485976Generated: October 30, 2026

Hydrochloric Acid → HCID 178485482, compound

https://huagongshe.com/reaction/485976

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-MethylbenzenethiolHCID 7811—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 178485481HCID 178485481—
CatalystHexadecyltrimethylammonium BromideHCID 5974—
SolventWaterHCID 962—
SolventO-XyleneHCID 7237—
ProductHCID 178485482HCID 178485482—

Reaction Steps

2 g (6.69 millimols) of tetrachlorophthalic acid N-methylimide are dissolved in 20 ml of xylene at 100° C.; 0.86 ml of water, 0.95 g of potassium carbonate and 120 mg of hexadecyltrimethylammonium bromide are added and a solution of 0.86 g (6.89 millimols) of p-thiocresol in 1 ml of xylene is added dropwise at 100° C. After 30 minutes, the mixture is cooled, acidified with 2N HCl solution and extracted with methylene chloride. The solution is dried with sodium sulfate and evaporated and the residue is recrystallised from toluene/cyclohexane. This yields 0.69 g (27%) of the title compound; melting point 212°-216°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04537977
Source datasetuspto-grants-1985_08
ORD IDord-a4debe35dc694d7fbe04d4cbe760aea6
Source noteuspto-grants-1985_08