反应详情

In analogy to example 151, step 3, 5-(3-(3,5-difluorophenyl)-3-(4-(methylsulfonyl)phenyl)propanoyl)-1-methylpyridin-2(1H)-one was reacted with hydroxylamine hydrochloride in the presence of sodium hydrogencarbonate to give the title compound containing less than 10% of the corresponding Z isomer as a colourless solid, MS (ESI+): m/z=447.2 [M+H]+.