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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1061237Generated: October 29, 2026

N-[5-(2-amino-1-hydroxyethyl)-2-hydroxyphenyl]methanesulphonamide → N-[5-(2-{1-[2-Bromo-4-(2,4-dioxo-thiazolidin-5-ylidenemethyl)-phenyl]-piperidin-4-ylamino}-1-hydroxy-ethyl)-2-hydroxy-phenyl]-methanesulfonamide

https://huagongshe.com/reaction/1061237

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-[5-(2-amino-1-hydroxyethyl)-2-hydroxyphenyl]methanesulphonamideHCID 9837752—
Reactant5-[3-Bromo-4-(4-oxo-piperidin-1-yl)-benzylidene]-thiazolidine-2,4-dioneHCID 73876716—
ProductN-[5-(2-{1-[2-Bromo-4-(2,4-dioxo-thiazolidin-5-ylidenemethyl)-phenyl]-piperidin-4-ylamino}-1-hydroxy-ethyl)-2-hydroxy-phenyl]-methanesulfonamideHCID 86588905—

Reaction Steps

The title compound was prepared from N-[5-(2-amino-1-hydroxy-ethyl)-2-hydroxy-phenyl]-methanesulfonamide (which was obtained in Example 9) and 5-[3-bromo-4-(4-oxo-piperidine-1-yl)-benzylidene]-thiazolidine-2,4-dione (which was obtained in Example 58) according to the procedure of Example 63 as a dull yellow solid; mp >200° C.; 1H NMR (300 MHz, DMSO-d6) δ 1.70-1.82 (m, 2H), 2.07-2.17 (m, 2H), 2.65-2.73 (m, 3H), 2.95 (s, 3H), 3.07-3.17 (m, 4H), 4.74-4.77 (m, 3H), 6.00 (brs, 1H), 6.89 (d, J=8.3 Hz, 1H), 7.09 (dd, J=8.4, 2.0 Hz, 1H), 7.20 (d, J=8.4 Hz, 1H), 7.26-7.27 (m, 2H), 7.50 (dd, J=8.4, 2.0 Hz, 1H), 7.75 (d, J=2.0 Hz, 1H), 8.7 (brs, 1H), 9.9 (brs, 1H); MS (ES) m/z: 612.8 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06525202B2
Source datasetuspto-grants-2003_02
ORD IDord-000f806694784fa98f1ac7aa516bc04b
Source noteuspto-grants-2003_02