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HRID 1890753Erstellt: 25. Oktober 2026

Potassium Phosphate, Tribasic → [3-(3,5-Difluoro-pyridin-2-yl)-4-methyl-phenyl]-[2-(1,1-dioxo-tetrahydro-thiophen-3-yl)-1,2,3,4-tetrahydro-isoquinolin-5-yl]-amine

https://huagongshe.com/reaction/1890753

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktPotassium Phosphate, TribasicHCID 62657—
Edukt1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
Edukt5-Bromo-2-(1,1-dioxo-tetrahydro-thiophen-3-yl)-1,2,3,4-tetrahydro-isoquinolineHCID 58317890—
Edukt3-(3,5-Difluoropyridin-2-yl)-4-methylanilineHCID 58317998—
KatalysatorBis(dibenzylideneacetone)palladiumHCID 9811564—
Lösungsmittel1,4-DioxaneHCID 31275—
Produkt[3-(3,5-Difluoro-pyridin-2-yl)-4-methyl-phenyl]-[2-(1,1-dioxo-tetrahydro-thiophen-3-yl)-1,2,3,4-tetrahydro-isoquinolin-5-yl]-amineHCID 5749333365%

Reaktionsbedingungen

Temperatur100 °C

Reaktionsschritte

To the reaction vessel containing 5-bromo-2-(1,1-dioxo-tetrahydro-thiophen-3-yl)-1,2,3,4-tetrahydro-isoquinoline (50 mg, 0.15 mmol), 3-(3,5-difluoropyridin-2-yl)-4-methylaniline (33 mg, 0.15 mmol), Pd2(dba)3 (13 mg, 0.014 mmol), Xantphos (16 mg, 0.028 mmol) and K3PO4 (74 mg, 0.35 mmol) is added anhydrous dioxane (1 mL). The vessel is flushed with nitrogen, sealed and heated to 100° C. for 15 hours. The reaction is then cooled to ambient temperature, filtered through a celite pad to remove salt. The filtrate is concentrated and purified by silica gel flash chromatography to afford [3-(3,5-difluoro-pyridin-2-yl)-4-methyl-phenyl]-[2-(1,1-dioxo-tetrahydro-thiophen-3-yl)-1,2,3,4-tetrahydro-isoquinolin-5-yl]-amine as an off-white solid (45 mg, 65%). MS m/z 470.2 (M+1); 1H NMR 400 MHz (DMSO-d6) δ8.67 (d, 1H, J=2.4 Hz), 7.39 (s, 1H), 7.22 (d, 1H, J=8.4 Hz), 7.12 (m, 2H), 7.00 (dd, 1H, J1=8.0 Hz, J2=2.4 Hz), 6.91 (d, 1H, J=2.4 Hz), 6.75 (d, 1H, J=7.2 Hz), 3.79 (d, 1H, J=19.2 Hz), 3.71 (d, 1H, J=19.2 Hz), 3.47 (m, 2H), 3.34 (m, 1H), 3.18 (m, 2H), 2.82 (m, 2H), 2.72 (m, 2H), 2.47 (m, 1H), 2.17 (m, 1H), 2.11 (s, 3H).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08507491B2
Quelldatensatzuspto-grants-2013_08
ORD IDord-9981a6cc80d0421fbd5260c88e7097a6
Quellennotizuspto-grants-2013_08