作者:Jakub Stýskala、Jan Slouka、Antonín Lycka
DOI:10.1002/jhet.5570390630
日期:2002.11
cyclized thermally or in alkaline medium to the corresponding 2-aryl-2,3,5,10-tetrahydro-[1,2,4]triazino[5,6-b]quinolin-3,10-diones 6. Compounds 6 were transformed by alkaline hydrolytic splitting to the corresponding 2-amino-3-arylazo-1,4-dihydroquino-lin-4-ones 7. Starting carbamate 4 was prepared by a two-step synthesis from 2-amino-1,4-dihydroquinolin-4-one 1.
通过将重氮盐与N-(4-氧代-1,4-二氢喹啉-2-基)氨基甲酸乙酯4偶合,得到相应的3-芳基偶氮化合物5。这些被热或在碱性介质中环化为相应的2-芳基-2,3,5,10-四氢-[1,2,4]三嗪[ 5,6 - b ]喹啉-3,10-二酮6。通过碱性水解裂解将化合物6转化为相应的2-amino-3-arylazo-1,4-dihydroquino-lin-4-ones7。通过从2-amino-1进行两步合成,制备氨基甲酸酯4。 4-二氢喹啉-4-酮1。