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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1895690Generated: October 27, 2026

2-Chlorophenyl chloroformate → 2-Chlorophenyl 3-((1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)methyl)azetidine-1-carboxylate

https://huagongshe.com/reaction/1895690

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chlorophenyl chloroformateHCID 4184068—
ReactantTert-butyl 4-(1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)piperidine-1-carboxylateHCID 25204174—
Reactant1,1,1-Trifluoropropan-2-yl carbonochloridateHCID 58270348—
Product2-Chlorophenyl 3-((1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)methyl)azetidine-1-carboxylateHCID 25204446—

Reaction Steps

Example 22 was prepared according to procedures described in Example 2, Step A and Step C, substituting tert-butyl 3-((1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)methyl)azetidine-1-carboxylate for tert-butyl 4-(1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)piperidine-1-carboxylate in Step A and 2-chlorophenyl chloroformate for 1,1,1-trifluoropropan-2-yl chloroformate in Step C. 1H NMR (500 MHz, CDCl3) δ 8.09 (d, J=8.25 Hz, 2 H), 7.62 (d, J=8.25 Hz, 2 H), 7.43 (dd, J=7.97, 1.37 Hz, 1 H), 7.32 (d, J=7.70 Hz, 1 H), 7.16-7.31 (m, 3 H), 6.28 (d, J=2.20 Hz, 1 H), 6.25 (dd, J=7.70, 2.75 Hz, 1 H), 4.41 (app brs, 1 H), 4.31 (app brs, 1 H), 4.23 (d, J=6.05 Hz, 2 H), 4.20 (app brs, 1 H), 4.04 (app brs, 1 H) 3.15-3.26 (m, 1 H), 3.11 (s, 3 H). MS (ESI) 489 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08513424B2
Source datasetuspto-grants-2013_08
ORD IDord-7528455a0aca47399a66d592cf4f6a3a
Source noteuspto-grants-2013_08