Synthesis of Some New Pyrido[4′,3′:4,5]thieno[2,3-d]pyrimidines and Related Fused Heterocycles
作者:Essam Kh. Ahmed
DOI:10.1080/10426500307772
日期:2003.1.1
A highly efficient and versatile synthetic approach to the synthesis of pyrido[4',3':4,5]thieno[2,3-d]pyrimidines ( 3 , 7a-c ), pyrido[4',3':4,5]thieno[2,3-d][1,3]thiazolo[3,2-a]pyrimidines ( 8 , 10-12 ), ( 15 , 16 ), pyrido[4",3":4',5']thieno[2',3':4,5]pyrimido[2,1-b][1,3]thiazine ( 9 ), and polymethylene condensed (e.g., pyrrolo-, piperidino-, azepino-)pyridothienopyrimidines ( 18a-c ) is described
一种合成吡啶并[4',3':4,5]噻吩并[2,3-d]嘧啶(3,7a-c)、吡啶并[4',3':4, 5]噻吩并[2,3-d][1,3]噻唑并[3,2-a]嘧啶 (8, 10-12), (15, 16), pyrido[4",3":4',5 ']噻吩并[2',3':4,5]嘧啶并[2,1-b][1,3]噻嗪(9)和聚亚甲基缩合(例如吡咯-、哌啶-、氮杂-)吡啶并噻吩并嘧啶(18a) -c)描述了使用2-氨基-4,5,6,7-四氢噻吩并[2,3-c]吡啶-3,6-二羧酸二乙酯1作为原料。