A READY ENTRY TO SUBSTITUTED DERIVATIVES OF PYRIDO[3'',2''/4',5']THIENO[2',3'/5,6]PYRIDO[2,3-D]-PYRIMIDINES, A NEW TETRAHETEROCYCLIC RING-SYSTEM

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作者
PEINADOR, C
VEIGA, MC
OJEA, V
QUINTELA, JM
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中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Several 4-substituted pyrido[3'',2'':4',5']thieno[2',3':5,6]pyrido- [2,3-d]pyrimidines (4) and (5) were prepared by reaction of an appropriate substituted thieno[2,3-b:4,5-b']dipyridine (2) and (dichloromethylene)dimethylammonium chloride.
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页码:2065 / 2072
页数:8
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