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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2211884Generated: November 2, 2026

3-(1-Piperazinyl)-1,2-benzisothiazole monohydrochloride → 3-{4-[2-(3-Methyl-2-nitro-phenyl)-ethyl]-piperazin-1-yl}-1,2-benzisothiazole

https://huagongshe.com/reaction/2211884

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(1-Piperazinyl)-1,2-benzisothiazole monohydrochlorideHCID 11521711—
Reactant3-Methyl-2-nitrophenethyl tosylateHCID 21963219—
Product3-{4-[2-(3-Methyl-2-nitro-phenyl)-ethyl]-piperazin-1-yl}-1,2-benzisothiazoleHCID 2196317711%

Reaction Steps

3-{4-[2-(3-Methyl-2-nitro-phenyl)-ethyl]-piperazin-1-yl}-1,2-benzisothiazole was prepared according to the general method as outlined in Preparation 2 starting with 3-piperazin-1-yl-benzoisothiazole hydrochloride (1.71 g, 6.7 mmol) and 3-methyl-2-nitrophenethyl tosylate (1.8 g, 5.37 mmol). The product was isolated via column chromatography to afford 290 mg of brown oil. Yield 11%; MS (APCI): 383 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07101886B2
Source datasetuspto-grants-2006_09
ORD IDord-c21bd87ad10747dfae2ebcab5eebd712
Source noteuspto-grants-2006_09