马来酸酐 、
(1,3-butadien-2-yl)[4-(dimethylamino)pyridine](N,N'-ethylenebis(salicylideneaminato))cobalt(III) 以
氯仿 为溶剂,
以80%的产率得到(cis-4,4,7,7,8,9-hexahydro-1,3-dioxoisobenzofuran-6-yl)[4-(dimethylamino)pyridine](N,N'-ethylenebis(salicylideneaminato))cobalt(III)