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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2411629Generated: October 25, 2026

(3,5-Dimethylpyrazin-2-yl)piperazine hydrochloride → [(3,5-Dimethylpyrazin-2-yl)piperazin-4-yl] {4-[1-(1,1-dioxo-1lambda6-isothiazolidin-2-yl)-1-methylethyl]phenyl}methanone

https://huagongshe.com/reaction/2411629

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(3,5-Dimethylpyrazin-2-yl)piperazine hydrochlorideHCID 67381341—
ReactantHCID 71251965HCID 71251965—
Product[(3,5-Dimethylpyrazin-2-yl)piperazin-4-yl] {4-[1-(1,1-dioxo-1lambda6-isothiazolidin-2-yl)-1-methylethyl]phenyl}methanoneHCID 7126133253.9%

Reaction Steps

Using 4-[1-(1,1-dioxo-1λ6-isothiazolidin-2-yl)-1-methylethyl]benzoic acid (100 mg) described in Preparation Example 39 and (3,5-dimethylpyrazin-2-yl)piperazine hydrochloride (81 mg) described in Preparation Example 104 and by the reaction and treatment in the same manner as in Example 86, the title compound (87 mg) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08816079B2
Source datasetuspto-grants-2014_08
ORD IDord-aa9f44ac23fd4d13920cd0b68fe63d6c
Source noteuspto-grants-2014_08