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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1417853Generated: October 26, 2026

4-Fluorobenzenesulfonamide → (S)-(-)-4-[4-[2-(Isochroman-1-yl)ethyl]-cis-3,5-dimethylpiperazin-1-yl]benzenesulfonamide

https://huagongshe.com/reaction/1417853

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-FluorobenzenesulfonamideHCID 120231—
Reactant4-(Piperazin-1-yl)benzene-1-sulfonamideHCID 901897—
Reactantrel-(2R,6S)-2,6-dimethylpiperazineHCID 6950261—
Reactant4-(3,5-Dimethylpiperazin-1-yl)benzenesulfonamideHCID 23288831—
Reactant1-(2-Chloroethyl)-4-methyl-isochromanHCID 23288938—
Product(S)-(-)-4-[4-[2-(Isochroman-1-yl)ethyl]-cis-3,5-dimethylpiperazin-1-yl]benzenesulfonamideHCID 21308103—

Reaction Steps

Following the general procedure of EXAMPLE 49 and making non-critical variations 2-(isochroman-1-yl)ethanol-O-methanesulfonate (LXXX, 0.412 g) and 4-(3,5-dimethylpiperazin-1-yl)benzenesulfonamide [(IV), 0.433 g; prepared from 4-fluorobenzenesulfonamide, III, and cis-2,6-dimethylpiperazine, II (Aldrich), by the method of EXAMPLE 47] gives the title compound; mp 170°-175°(decomp)°; MS (m/z) 429; IR (mineral oil) 1153, 1596, 1325, 1162 and 1096 cm-1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05877317
Source datasetuspto-grants-1999_03
ORD IDord-407aa15ecd6d47ce9d50bb10e0b5863d
Source noteuspto-grants-1999_03