1,2-dihydro-3,1-benzoxazin-4-one and 4H-1,2-dihydro-pyrido-[2,3-d]-[1,3]-Oxazin-4-one derivatives as potential prodrugs part I: Synthesis
作者:Gerhard Schwenker、Jianbing Chen
DOI:10.1002/ardp.2503241009
日期:——
1‐Mono‐ and previously unknown 1,2‐disubstituted 1,2‐dihydro‐3,1‐benzoxazin‐4‐ones 7 and 9, potential prodrugs of flufenamic acid (6) and mefenamic acid (8), and 4H‐1,2‐dihydro‐pyrido‐[2,3‐d]‐[1,3]‐oxazin‐4‐ones 11, potential prodrugs of niflumic acid (10), were prepared; the structures of all new compounds wereconfirmed by spectroscopic methods.
1-单-和以前未知的 1,2-二取代 1,2-二氢-3,1-苯并恶嗪-4-酮 7 和 9,氟芬那酸 (6) 和甲芬那酸 (8) 的潜在前药,以及 4H-1 ,2-dihydro-pyrido-[2,3-d]-[1,3]-oxazin-4-ones 11, niflumic acid (10) 的潜在前药; 所有新化合物的结构均通过光谱方法确认。