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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1772662Generated: November 3, 2026

Trifluoroacetic acid → 5-(8-Morpholino-2-((quinolin-2-yloxy)methyl)imidazo[1,2-a]pyrazin-5-yl)pyridine-2-sulfonamide trifluoroacetic acid salt

https://huagongshe.com/reaction/1772662

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantN-(tert-Butyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2-sulfonamideHCID 90391711—
ReactantHCID 117728336HCID 117728336—
Product5-(8-Morpholino-2-((quinolin-2-yloxy)methyl)imidazo[1,2-a]pyrazin-5-yl)pyridine-2-sulfonamide trifluoroacetic acid saltHCID 86345643—

Reaction Steps

Compound 31b was subjected to Suzuki coupling reaction conditions with compound 32b using the methods described in Example 1, Step G, and the resulting product was subjected to TFA deprotection using the methods described in Example 1, Step E, to obtain title compound 86. 1H-NMR (400 MHz, CD3OD) δ (ppm): 8.85 (s, 1H), 8.08-8.15 (m, 2H), 8.03 (d, J=9.0 Hz, 1H), 7.84 (s, 1H), 7.79 (d, J=8.6 Hz, 1H), 7.72 (d, J=7.4 Hz, 1H), 7.59-7.65 (m, 1H), 7.43 (s, 1H), 7.35-7.41 (m, 2H), 6.95 (d, J=9.0 Hz, 1H), 5.64 (s, 2H), 4.32 (br. s., 4H), 3.88 (m, 4H). Mass Spectrum (LCMS, ESI pos.) Calcd. for C25H23N7O4S: 518.1 (M+H). Found 518.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09249163B2
Source datasetuspto-grants-2016_02
ORD IDord-9584198b7a3a473da67ab990a9796e91
Source noteuspto-grants-2016_02