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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 521967Generated: October 30, 2026

6-(2,6-difluoro-4-((tetrahydro-2H-pyran-4-yl)oxy)phenyl)-5-fluoropicolinic acid → N-(5-((2S,5R,6R)-5-Amino-6-fluorooxepan-2-yl)-1-methyl-1H-pyrazol-4-yl)-6-(2,6-difluoro-4-((tetrahydro-2H-pyran-4-yl)oxy)phenyl)-5-fluoropicolinamide

https://huagongshe.com/reaction/521967

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-(2,6-difluoro-4-((tetrahydro-2H-pyran-4-yl)oxy)phenyl)-5-fluoropicolinic acidHCID 70654726—
Reactanttert-butyl ((3R,4R,7S)-3-fluoro-7-(1-methyl-4-nitro-1H-pyrazol-5-yl)oxepan-4-yl)carbamateHCID 86713831—
ProductN-(5-((2S,5R,6R)-5-Amino-6-fluorooxepan-2-yl)-1-methyl-1H-pyrazol-4-yl)-6-(2,6-difluoro-4-((tetrahydro-2H-pyran-4-yl)oxy)phenyl)-5-fluoropicolinamideHCID 7343775527%

Reaction Steps

Following the procedure for Example 111 starting from tert-butyl ((3R,4R,7S)-3-fluoro-7-(1-methyl-4-nitro-1H-pyrazol-5-yl)oxepan-4-yl)carbamate (Intermediate 24), and replacing 5-((tert-butoxycarbonyl)amino)-2-(2,6-difluorophenyl)thiazole-4-carboxylic acid with 6-(2,6-difluoro-4-((tetrahydro-2H-pyran-4-yl)oxy)phenyl)-5-fluoropicolinic acid (see US2012/225062) gave 188 as a white solid (12 mg, 27%). 1H NMR (400 MHz, d6-DMSO) δ 10.24 (s, 1H), 8.25 (dd, J=8.6, 3.9 Hz, 1H), 8.17-8.09 (m, 1H), 7.85 (s, 1H), 7.40-7.00 (br s, 2H), 7.20 (d, J=11.6 Hz, 2H), 5.30 (d, J=48 Hz, 1H), 4.92-4.86 (m, 2H), 4.11-4.00 (m, 2H), 3.92-3.84 (m, 2H), 3.75 (s, 3H), 3.62-3.50 (m, 3H), 2.07 (m, 4H), 1.95-1.70 (m, 2H), 1.68-1.55 (m, 2H). LCMS (ES+) m/z 564 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09328106B2
Source datasetuspto-grants-2016_05
ORD IDord-408127328553416fa65ae8ca34837730
Source noteuspto-grants-2016_05