2-(1-oxo-3,4,5,6,7,8-hexahydrobenzothieno[2,3-c]pyridin-2(1H)-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl Acetate → [2-(5-{[5-(1-Ethylazetidin-3-yl)pyridin-2-yl]amino}-1-methyl-6-oxo-1,6-dihydropyridin-3-yl)-4-fluoro-6-{6-oxo-8-thia-5-azatricyclo[7.4.0.02,7]trideca-1(9),2(7)-dien-5-yl}phenyl]methyl Acetate

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Reaction Steps

Following the procedures as described for 136e and starting with 5-bromo-3-(5-(1-ethylazetidin-3-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one (250a) and (4-fluoro-2-{6-oxo-8-thia-5-azatricyclo[7.4.0.02,7]trideca-1(9),2(7)-dien-5-yl}-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methyl acetate 212b, compound 233a was obtained in 67% yield. LCMS: (M+H)+ 597

Provenance & Evidence