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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1618549Generated: October 27, 2026

Hydrochloric Acid → HCID 178421997, compound

https://huagongshe.com/reaction/1618549

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,4-DioxaneHCID 31275—
Reactant6-Morpholino-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]HCID 67284661—
Reactant4-Chloro-7-fluoro-2-(6-methoxypyridin-2-yl)-3-methylquinolineHCID 67285372—
SolventN-methyl-2-pyrrolidoneHCID 13387—
ProductHCID 178421997HCID 178421997—

Reaction Conditions

Temperature150 °C

Reaction Steps

Prepared according to procedure L using 6-morpholino-2′,3′,5′,6′-tetrahydrospiro-[indoline-3,4′-pyran] (87 mg, 0.32 mmol) (described herein), 4.0M hydrochloric acid in 1,4-dioxane (66 μL, 0.25 mmol), 4-chloro-7-fluoro-2-(6-methoxypyridin-2-yl)-3-methylquinoline (80 mg, 0.25 mmol) (described herein), and NMP (440 μL), and heating in a microwave at 150° C. for 180 min. Purification afforded 6-(7-fluoro-3-methyl-4-(6-(4-morpholinyl)-2′,3′,5′,6′-tetrahydrospiro[indole-3,4′-pyran]-1(2H)-yl)-2-quinolinyl)-2-pyridinol as a yellow solid. 1H NMR (400 MHz, chloroform-d) δ ppm 7.65-7.85 (2H, m), 7.48-7.61 (1H, m), 7.27-7.32 (1H, m), 7.15 (1H, d, J=8.2 Hz), 6.78 (1H, d, J=6.7 Hz), 6.73 (1H, d, J=9.4 Hz), 6.37 (1H, dd, J=8.2, 2.3 Hz), 5.56 (1H, d, J=2.3 Hz), 3.98-4.09 (2H, m), 3.88-3.98 (2H, m), 3.62-3.78 (4H, m), 3.47-3.61 (2H, m), 2.84-3.03 (4H, m), 2.51 (3H, s), 2.09-2.24 (2H, m), 1.83-1.93 (1H, m), 1.71-1.83 (1H, m). Mass Spectrum (ESI) m/e=527 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08765940B2
Source datasetuspto-grants-2014_07
ORD IDord-cff64e43539a43dbab853376268ed74b
Source noteuspto-grants-2014_07