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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 76043Generated: October 29, 2026

Trifluoroacetic acid → 4-{4-[2-(3-Chloro-phenylamino)-oxazol-5-yl]-phenyl}-3,6-dihydro-2h-pyridine-1-sulfonic acid amide

https://huagongshe.com/reaction/76043

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-butyl N-(chlorosulfonyl)carbamateHCID 15677406—
Reactant(3-chlorophenyl)-{5-[4-(1,2,3,6-tetrahydro-pyridin-4-yl)-phenyl]-oxazol-2-yl}-amine bis HCl saltHCID 131731872—
Product4-{4-[2-(3-Chloro-phenylamino)-oxazol-5-yl]-phenyl}-3,6-dihydro-2h-pyridine-1-sulfonic acid amideHCID 24938024—

Reaction Steps

The title compound is prepared from (3-chlorophenyl)-{5-[4-(1,2,3,6-tetrahydro-pyridin-4-yl)-phenyl]-oxazol-2-yl}-amine bis HCl salt in analogous fashion using N-Boc chlorosulfonamide followed by TFA-mediated deprotection: 1H NMR (400 MHz, DMSO-d6) δ 2.55 (br. s., 2H) 3.15 (t, J=5.56 Hz, 2H) 3.65 (d, J=2.78 Hz, 2H) 6.22 (t, J=3.28 Hz, 1H) 6.92 (dd, J=7.83, 1.52 Hz, 1H) 7.26 (t, J=8.08 Hz, 1H) 7.39-7.53 (m, 7H) 7.79 (t, J=2.02 Hz, 1H); (M+H)+431.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08835451B2
Source datasetuspto-grants-2014_09
ORD IDord-a91fe2ff75c14ab382ab41d0fe08791c
Source noteuspto-grants-2014_09