作者:Ho Sik Kim、Eun Kyoung Kim、Sung Sik Kim、Yong Tae Park、Young Seuk Hong、Yoshihisa Kurasawa
DOI:10.1002/jhet.5570340107
日期:1997.1
The pyridazino[3,4-b]quinoxaline 12 was synthesized by the cyclization of the α-arylhydrazonoacyl-hydrazide 11. The reaction of compound 12 with phosphoryl chloride gave pyridazino[3,4-b]quinoxaline 13, whose reactions with sodium azide or cyclic secondary amines provided pyridazino[3,4-b]quinoxalines 14,17 and 18, respectively. The acylhydrazide 15 was also cyclized to pyridazino[3,4-b]quinoxaline
吡嗪并[3,4- b ]喹喔啉12是通过环化α-芳基酰肼基酰肼11合成的。化合物12与磷酰氯的反应生成了哒嗪并[3,4- b ]喹喔啉13,其与叠氮化钠反应。或环状仲胺分别提供哒嗪并[3,4- b ]喹喔啉14,17和18。酰肼15也被环化为哒嗪并[3,4- b ]喹喔啉16。