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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2211910Generated: October 25, 2026

3-(1-Piperazinyl)-1,2-benzisothiazole monohydrochloride → N-{4-[2-(4-1,2-Benzisothiazol-3-YL-piperazin-1-YL)-ethyl]-2-methyl-phenyl}-acetamide

https://huagongshe.com/reaction/2211910

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(1-Piperazinyl)-1,2-benzisothiazole monohydrochlorideHCID 11521711—
ReactantN-[4-(2-Chloro-ethyl)-2-methyl-phenyl]-acetamideHCID 21963464—
ProductN-{4-[2-(4-1,2-Benzisothiazol-3-YL-piperazin-1-YL)-ethyl]-2-methyl-phenyl}-acetamideHCID 10340616—

Reaction Steps

Starting from N-[4-(2-Chloro-ethyl)-2-methyl-phenyl]-acetamide (11.96 g, 56.5 mmol) and 3-piperazin-1-yl-benzo[d]isothiazole hydrochloride (16.58 g, 73.5 mmol), (N-{4-[2-(4-1,2-Benzisothiazol-3-yl-piperazin-1-yl)-ethyl]-2-methyl-phenyl}-acetamide was prepared according to the general method as outlined in Example 501. The titled product was obtained as an off-white solid, (19.04 g, 48.3 mmol). Yield=85%. 98.8% purity by HPLC; mp 176.5–178.° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07101886B2
Source datasetuspto-grants-2006_09
ORD IDord-c3105fb8d1c9442ab81bc41fdc407b98
Source noteuspto-grants-2006_09