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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2188288Generated: October 29, 2026

(S)-5-(3-amino-2-hydroxy-propoxy)-8-hydroxy-3,4-dihydro-1H-quinolin-2-one → 8-Hydroxy-5-((2S)-2-hydroxy-3-{1-[4-(4-oxo-2-piperidin-1-yl-4H-thiazol-5-ylidenemethyl)-phenyl]-piperidin-4-ylamino}-propoxy)-3,4-dihydro-1H-quinolin-2-one

https://huagongshe.com/reaction/2188288

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(S)-5-(3-amino-2-hydroxy-propoxy)-8-hydroxy-3,4-dihydro-1H-quinolin-2-oneHCID 69655051—
Reactant1-[4-(4-oxo-2-piperidin-1-yl-4H-thiazol-5-ylidenemethyl)-phenyl]-piperidin-4-oneHCID 69922636—
Product8-Hydroxy-5-((2S)-2-hydroxy-3-{1-[4-(4-oxo-2-piperidin-1-yl-4H-thiazol-5-ylidenemethyl)-phenyl]-piperidin-4-ylamino}-propoxy)-3,4-dihydro-1H-quinolin-2-oneHCID 69922613—

Reaction Steps

The title compound was prepared from 1-[4-(4-oxo-2-piperidin-1-yl-4H-thiazol-5-ylidenemethyl)-phenyl]-piperidin-4-one (which was obtained in Intermediate 25) and 5-((2S)-3-amino-2-hydroxy-propoxy)-8-hydroxy-3,4-dihydro-1H-quinolin-2-one (which was obtained in Intermediate 12) according to the procedure of Example 1 as a yellowish solid; mp>120° C. (dec.); 1 H NMR (300 MHz, DMSO-d6) δ1.20-1.40 (m, 2 H), 1.55-1.70 (m, 6 H), 1.85-2.00 (m, 2 H), 2.43 (t, J=7.9 Hz, 2 H), 2.55-2.90 (m, 9 H), 3.60 (br s, 2 H), 3.70-3.95 (m, 6 H), 6.44 (d, J=9.0 Hz, 1 H), 6.59 (d, J=9.0 Hz, 1 H), 7.02 (d, J=9.0 Hz, 2 H), 7.44 (d, J=9.0 Hz, 2 H), 7.50 (s, 1 H), 8.82 (s, 1 H); MS (ES) m/z: 303.6 ((M +2H)2+, 100%); 606.1 (MH+, 10%); HRMS Calcd. for C32H40N5O5S (MH+): 606.2750. Found: 606.2711.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06410734B1
Source datasetuspto-grants-2002_06
ORD IDord-e917aa2111ef4d61b847e7d125394331
Source noteuspto-grants-2002_06