Triethylamine → 2-Fluoroethyl{4-[1-(1,4-dioxaspiro[4.5]dec-8-yl)-4-(8-oxa-3-azabicyclo[3.2.1]oct-3-yl)-1h-pyrazolo[3,4-d]pyrimidin-6-yl]phenyl}carbamate

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Reaction Steps

was also prepared by an alternative route: 36 mg 4-(4-(8-oxa-3-azabicyclo[3.2.1]octan-3-yl)-1-(1,4-dioxaspiro[4.5]decan-8-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)aniline was dissolved in dichloromethane (0.5 mL) containing triethylamine (100 uL). 93 uL 2-fluoroethyl chloroformate was added and the mixture was stirred for 30 minutes. The mixture was concentrated and the title compound was obtained after HPLC purification. MS: 553.2 [M+H], RT 2.42.

Provenance & Evidence