A New Method for the Synthesis of Substituted 8,9,10,11-Tetrahydroindolo[1,2-a]Quinoxalin-6(5H)-Ones
作者:Vakhid A. Mamedov、Elena A. Khafizova、Anastasiya I. Zamaletdinova、Julia K. Voronina、Saniya F. Kadyrova、Ekaterina V. Mironova、Dmitry B. Krivolapov、Ildar Kh. Rizvanov、Oleg G. Sinyashin
DOI:10.1007/s10593-017-2090-0
日期:2017.5
The reaction of 1-(cyclohexen-1-yl)pyrrolidines with 3-(α-chlorobenzyl)quinoxalin-2(1H)-ones resulted in the formation of 8,9,10,11-tetrahydroindolo[1,2-a]quinoxalin-6(5H)-ones via a tandem sequence of Stork enamine alkylation and intramolecular annulation. Oxidative dehydrogenation gave indolo[1,2-a]quinoxalin-6(5H)-one.
1-(环己烯-1-基)吡咯烷与3-(α-氯苄基)喹喔啉-2(1 H)-的反应导致形成8,9,10,11-四氢吲哚[1,2- a喹诺酮-6(5 H)-通过鹳烯胺烷基化和分子内环化的串联序列。氧化脱氢得到吲哚[1,2 - a ]喹喔啉-6(5 H)-one。