5,6,12,13-四氢喹啉并[2,3-b]吖啶-7,14-二酮合成路线 (共 3 条)
反应条件
1: With sodium hydroxide in methanol; water T=20 - 30°C; 0.5 h; 2: With sulfuric acid in methanol; water 1 h; Heating / reflux; 3: With m-nitrobenzene sulfonic acid sodium salt in methanol; water 4 h; Heating / reflux; Product distribution / selectivity;
参考文献
MCA TECHNOLOGIES GMBH
Patent: WO2005/85364 A1, 2005 ;
Location in patent: Page/Page column 17 ;
反应条件
1: With phosphoric acid in 2-methyl-propan-1-ol
T=20 - 100°C; 4 h;
2: With PPA
T=70 - 130°C; 1.5 h;
参考文献
MCA TECHNOLOGIES GMBH
Patent: WO2005/85364 A1, 2005 ;
Location in patent: Page/Page column 11-12 ;
参考文献
Pendse; Dutt
Journal of the Indian Chemical Society, 1932 , vol. 9, p. 67,69