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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1061284Generated: November 3, 2026

5-[4-(4-Oxo-piperidin-1-yl)-benzyl]-thiazolidine-2,4-dione → 5-{4-[4-((2R)-2-Hydroxy-2-pyridin-3-yl-ethylamino)-piperidin-1-yl]-benzyl}-thiazolidine-2,4-dione

https://huagongshe.com/reaction/1061284

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-[4-(4-Oxo-piperidin-1-yl)-benzyl]-thiazolidine-2,4-dioneHCID 12965955—
Reactant(R)-2-amino-1-(pyridin-3-yl)ethanolHCID 23556080—
Product5-{4-[4-((2R)-2-Hydroxy-2-pyridin-3-yl-ethylamino)-piperidin-1-yl]-benzyl}-thiazolidine-2,4-dioneHCID 44377536—

Reaction Steps

The title compound was prepared from (1R)-2-amino-1-(3-pyridinyl)-1-ethanol (which was obtained in Example 135) and 5-[4-(4-oxo-1-piperidineyl)benzyl]-1,3-thiazolidine-2,4-dione (which was obtained in Example 38) in substantially the same manner, as described in Example 125. The product was obtained as a yellow solid; mp 87° C. (decomposed); 1H NMR (400 MHz, DMSO-d6) δ 1.38-1.43 (m, 2H), 1.89-1.91 (m, 2H), 2.62-2.71 (t, 2H), 2.71-2.91 (m, 4H), 3.23-3.27 (m, 1H), 3.60-3.63 (m, 2H), 4.58-4.61 (m, 1H), 4.72-4.75 (m, 1H), 6.83-6.85 (d, 2H), 7.02-7.05 (d, 2H), 7.34-7.37 (m, 1H), 7.75-7.78 (m, 1H), 8.45-8.46 (m, 1H), 8.56-8.57 (m, 1H); MS (ES) m/z: 427 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06525202B2
Source datasetuspto-grants-2003_02
ORD IDord-d4f050a41b5b47ca84e20b0194f223a3
Source noteuspto-grants-2003_02