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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 246839Generated: October 25, 2026

Phosphorus pentachloride → 3-Chloro-2-cyclohexyl-5-methoxy-2H-1,2,4,6-thiatriazine-1,1-dioxide

https://huagongshe.com/reaction/246839

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus pentachlorideHCID 24819—
Reactant2-Cyclohexyl-5-methoxy-2H-1,2,4,6-thiatriazin-3-one-1,1-dioxideHCID 13017764—
SolventPhosphorus oxychlorideHCID 24813—
Product3-Chloro-2-cyclohexyl-5-methoxy-2H-1,2,4,6-thiatriazine-1,1-dioxideHCID 12917985—

Reaction Steps

A mixture of the thiatriazinone from Step 2. above (77.3 g) and phosphorus pentachloride (92.4 g) in phosphorus oxychloride (230 ml) is refluxed overnight. The reaction mixture is evaporated at 50° C. yielding an oil (92.3 g) which is used without further purification in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04704388
Source datasetuspto-grants-1987_11
ORD IDord-7ab42ecd3ff546969806cdbe676df467
Source noteuspto-grants-1987_11