1,4-Dihydropyridazino[4,5-c]pyridazinones were prepared by a novel one-pot cyclization and dehydrogenation from hydrazinopyridazinones and dimethyl acetylenedicarboxylate.
1,4-二氢吡啶并[4,5- c ]吡啶并酮是通过新颖的一锅环化反应从肼基并吡嗪酮和乙酰二羧酸二甲酯制备的。
YAMASAKI, TETSUO;KAWAMINAMI, EIJI;YAMADA, TOMOMI;OKAWARA, TADASHI;FURUKAW+, J. CHEM. SOC. CHEM. COMMUN. ,(1990) N, C. 645-647