Open analogues of arcyriaflavin A.: Synthesis through Diels-Alder reaction between maleimides and 1-aryl-3-tert-butyldimethylsiloxy-1,3-butadienes

被引:32
作者
Adeva, M [1 ]
Sahagún, H [1 ]
Caballero, E [1 ]
de Clairac, RPL [1 ]
Medarde, M [1 ]
Tomé, F [1 ]
机构
[1] Univ Salamanca, Fac Farm, Lab Quim Organ & Farmaceut, E-37007 Salamanca, Spain
关键词
D O I
10.1021/jo991815x
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The preparation of a range of open analogues of arcyriaflavin A is described. The synthetic approach is based on the use of perhydroisoindole-1,3,5-triones as key intermediates, which were obtained via Diels-Alder methodology using 1-aryl-3-siloxy-1,3-butadienes as starting materials. Fischer indolization and aromatization processes afforded different methoxy-substituted arylpyrrolocarbazoles. The stereochemistry and conformation of the Diels-Alder products and the regiochemistry of the indolization reactions are supported by NMR and molecular modeling studies.
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收藏
页码:3387 / 3394
页数:8
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