trans-Crotonyl chloride → HCID 22172724, 화합물

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Using the general method of Example 92, crotonyl chloride (68 μL, 0.7 mmol) was reacted with 2-(4-amino-2-butyl-1H-imidazo[4,5-c][1,5]naphthyridin-1-yl)ethaneamine (0.2 g, 0.7 mmol) to provide 0.2 g of N1-[2-(4-amino-2-butyl-1H-imidazo[4,5-c][1,5]naphthyridin-1-yl)ethyl]-(E)-2-butenamide as a white powder, m.p. 198-200° C. Analysis: Calculated for C19H24N6O: %C, 64.75; %H, 6.86; %N, 23.85. Found: %C, 64.25; %H, 6.68; %N, 23.99. HRMS (EI) calcd for C19H24N6O (M+) 352.2011 found 352.1996

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