反应详情

This material was prepared from nicotinoyl azide (0.43 g, 2.9 mmol) and 5-nitroindoline (0.38 g, 2.3 mmol), and conversion of the precipitated urea to the salt using excess HCl in ether, following the procedure of Example 2. This gave the title compound (0.64 g, 76%) as a light yellow powder, m.p. 244°-7° C. (dec.).