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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1061245Generated: November 2, 2026

5-[4-(4-Oxo-piperidin-1-yl)-benzyl]-thiazolidine-2,4-dione → 5-(4-{4-[2-(3-Chloro-phenyl)-(2R)-2-hydroxyethylamino}-piperidin-1-yl}-benzyl)-thiazolidine-2,4-dione

https://huagongshe.com/reaction/1061245

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-[4-(4-Oxo-piperidin-1-yl)-benzyl]-thiazolidine-2,4-dioneHCID 12965955—
Reactant(1R)-2-amino-1-(3-chlorophenyl)ethan-1-ol hydrochlorideHCID 56846012—
Product5-(4-{4-[2-(3-Chloro-phenyl)-(2R)-2-hydroxyethylamino}-piperidin-1-yl}-benzyl)-thiazolidine-2,4-dioneHCID 10115462—

Reaction Steps

The title compound was prepared from 5-[4-(4-oxo-piperidine-1-yl)-benzyl]-thiazolidine-2,4-dione (which was obtained in Example 38) and (1R)-2-amino-1-(3-chloro-phenyl)-ethanol (which was obtained in Example 1) according to the procedure of Example 73 as a pale yellowish solid; mp >195-198° C.; 1H NMR (300 MHz, DMSO-d6) δ 1.40-1.60 (m, 2H), 1.85-2.10 (m, 2H), 2.60-3.50 (m, 7H), 3.65 (brd, J=12.5 Hz, 2H), 4.63 (dd, J=9.5, 4.1 Hz, 1H), 4.74 (dd, J=8.8, 3.1 Hz, 1H), 6.86 (d, J=8.7 Hz, 2H), 7.05 (d, J=8.7 Hz, 2H), 7.20-7.50 (m, 4H); MS (ES) m/z: 460.0 (MH+); HRMS Calcd. for C23H26ClN3O3S(M+): 459.1383. Found: 459.1376.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06525202B2
Source datasetuspto-grants-2003_02
ORD IDord-d48dd2ae8f4a4355bae8f0faa6c5f4a1
Source noteuspto-grants-2003_02