反应详情

After dropping 20.4 g (23.7 ml, 0.24 mol) of piperidine to 27.6 g (22.6 ml, 0.6 mol) of formic acid under stirring and cooling, 7.2 g (0.05 mol) of Meldrum's acid and 8.3 g (0.05 mol) of veratraldehyde were added to the above mixture, then the procedure of Example 35 was followed.

1. temperaturecooling