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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1676161Generated: October 30, 2026

Tert-butyl 4-(1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)piperidine-1-carboxylate → Isopropyl 4-((1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)methyl)piperidine-1-carboxylate

https://huagongshe.com/reaction/1676161

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTert-butyl 4-(1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)piperidine-1-carboxylateHCID 25204174—
ReactantTert-butyl 4-((1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)methyl)piperidine-1-carboxylateHCID 25204241—
ProductIsopropyl 4-((1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)methyl)piperidine-1-carboxylateHCID 25204242—

Reaction Steps

Example 5 was prepared according to procedures described in Example 3 substituting tert-butyl 4-((1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)methyl)piperidine-1-carboxylate for tert-butyl 4-(1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)piperidine-1-carboxylate. 1H NMR (500 MHz, CDCl3) δ 8.07 (d, J=8.25 Hz, 2H), 7.61 (d, J=8.80 Hz, 2H), 7.23 (d, J=7.70 Hz, 1 H), 6.09 (dd, J=7.70, 2.75 Hz, 1H), 6.01 (d, J=2.75 Hz, 1H), 4.87-4.98 (m, 1H), 4.23 (app brs, 2H), 3.85 (d, J=6.05 Hz, 2H), 3.09 (s, 3H), 2.79 (t, J=2.65 Hz, 2H), 1.87-2.06 (m, 1H), 1.76-1.87 (d, J=12.10 Hz, 2H), 1.18-1.37 (m, 6H), 1.25 (d, J=6.05 Hz, 6H). MS (ESI) 449 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08003796B2
Source datasetuspto-grants-2011_08
ORD IDord-712d77c929344e0fa9c666768c479c5f
Source noteuspto-grants-2011_08