Palladium-Catalyzed Acylation Reactions: A One-Pot Diversified Synthesis of Phthalazines, Phthalazinones and Benzoxazinones
作者:Basuli Suchand、Gedu Satyanarayana
DOI:10.1002/ejoc.201800159
日期:2018.5.24
proceeds through [Pd]‐catalyzed acylation and nucleophilic cyclocondensation with dinucleophilic reagents. This process was based on direct coupling with simple bench‐top aldehydes without the assistance of directing group and without activating the carbonyl group. The process is highly advantageous because it employs simple nitrogen‐based nucleophiles, and non‐toxic and readily accessible aldehydes as the
Synthesis of 4‐Alkyl‐1(2<i>H</i>)‐phthalazinones and 4‐Alkyl‐2,3‐benzoxazin‐1‐ones via Ring Cleavage of 3‐Substituted<i>N</i>‐Alkylated‐3‐hydroxyisoindolin‐1‐ones
作者:Tae Gyu Chun、Kyung Soon Kim、Sangku Lee、Tae‐Sook Jeong、Hee‐Yoon Lee、Yong Hae Kim、Woo Song Lee
DOI:10.1081/scc-120030319
日期:2004.12.31
N-Alkyl (Me, Et, i-Pr, t-Bu)-substituted phthalimdes 5a-d were easily transformed to 1(2H)-phthalazinones 8d-i and 2,3-benzoxazin-1-ones 9d,f,and j via a one-pot addition-decyclization-cyclocondensation process.
Dérivés bicycliques azotés, leur procédé de préparation, les intermédiaires obtenus, leur application comme médicaments et les compositions pharmaceutiques les renfermant