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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 465925Generated: October 25, 2026

Hydrochloric Acid → 2,2-Dimethyl-4-(methylsulfonyl)-1-nitrosopiperazine

https://huagongshe.com/reaction/465925

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantWaterHCID 962—
Reactant1-Methanesulfonyl-3,3-dimethylpiperazineHCID 19815142—
ReactantSodium NitriteHCID 23668193—
SolventMethanolHCID 887—
Product2,2-Dimethyl-4-(methylsulfonyl)-1-nitrosopiperazineHCID 19815146—

Reaction Steps

A mixture, cooled to 0°-5° C., of 45 g of 4-methanesulphonyl-2,2-dimethylpiperazine, 19.3 g of sodium nitrite, 250 ml of water and 100 ml of methanol is adjusted to pH 1.0 using conc. HCl and stirred at a gradually increasing temperature for 12 hours. The precipitate is filtered off with suction, washed with water and dried in vacuo.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05155109
Source datasetuspto-grants-1992_10
ORD IDord-1a5f840b5d8c4f4397db40ac7039863c
Source noteuspto-grants-1992_10