Allyl aryl sulfones 2 react with aryl nitrocompounds 1 in a DBU/MgCl2 system giving the 4-arylsulfonyl quinolines 3. Some mechanisticaspects of the reaction are discussed. Application of this reaction to the formal total synthesis of the natural product (−)Eupolauramine is described.
Silane-mediated direct condensation of nitroarenes with cinnamyl-type sulfones. The way to 2-aryl-4-X-quinolines and their hetero analogs
作者:Zbigniew Wróbel
DOI:10.1016/s0040-4020(98)00023-4
日期:1998.3
DBU/silane mediated double condensation of nitroarenes with cinnamyl-type sulfones proceeds smoothly to yield 2-aryl-4-arylsulfonyl quinolines and their hetero analogs. Arylsulfonyl group can be easily replaced by different nucleophiles. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.