An efficient synthesis of pyrrolo[1,2-a]quinazolin-5(1H)-one derivatives with the aid of low-valent titanium reagent
作者:Xuan Zhao、Da-Qing Shi
DOI:10.1002/jhet.637
日期:2011.5
A short and facile synthesis of 2,3,3a,4‐tetrahydropyrrolo[1,2‐a]quinazolin‐5(1H)‐ones and 2,3,3a,4‐tetrahydropyrrolo[1,2‐a]quinazoline‐1,5‐diones in good yields via the novel reductive cyclization of 2‐nitrobenzamides with haloketones or 4‐oxopentanoic acid promoted by low‐valent titanium reagent is described. J. Heterocyclic Chem., (2011).
甲基-2,3,3a,4-四氢吡咯并[1,2-的简短和简便合成一个]喹唑啉-5(1 ħ) -酮和甲基-2,3,3a,4-四氢吡咯并[1,2一]喹唑啉描述了通过低价钛试剂促进的2-硝基苯甲酰胺与卤代酮或4-氧代戊酸的新型还原环化,可实现高产率的1,5-二酮。J.杂环化学。(2011)。