(TRIMETHYLSILYL)METHYL ALLYLIC SULFONES IN INTRAMOLECULAR 4+3 CYCLOADDITIONS

被引:24
作者
HARMATA, M
HERRON, BF
机构
[1] Department of Chemistry, University of Missouri-Columbia, Columbia
关键词
D O I
10.1021/jo00078a017
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Treatment of (trimethylsilyl)methyl allylic sulfones tethered to a furan with trimethylaluminum results in the formation of products derived from the intramolecular 4 + 3 cycloaddition of the corresponding allylic cations. 2,5-Disubstitution on the furan precludes the formation of cycloadducts and results in two different classes of products which apparently result from ipso or ortho attack of the allylic cation on the furan ring followed by trapping of the resulting oxonium ions by trimethylaluminum.
引用
收藏
页码:7393 / 7396
页数:4
相关论文
共 23 条
[1]   INTRAMOLECULAR [4+3] CYCLOADDITION OF ALLYLIUM-2-OLATES (OXALLYLS) TO THE FURAN NUCLEUS - SYNTHESIS OF OXY-BRIDGED OCTAHYDRO-AZULENES AND OCTAHYDRO-BENZOCYCLOHEPTENES [J].
FOHLISCH, B ;
HERTER, R .
CHEMISCHE BERICHTE-RECUEIL, 1984, 117 (08) :2580-2596
[2]   EFFICIENT SYNTHESIS OF "8-OXABICYCLO[3.2.1]OCT-6-EN-3-ONES, PREPARATIVELY USEFUL [4+3]-CYCLOADDUCTS [J].
FOHLISCH, B ;
GEHRLACH, E ;
HERTER, R .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1982, 21 (02) :137-137
[3]  
GIGUERE RJ, 1990, TETRAHEDRON LETT, P4577
[4]  
GIGUERE RJ, 1988, TETRAHEDRON LETT, P6071
[5]  
HARMATA M, 1993, SYNTHESIS-STUTTGART, P202
[6]   INTRAMOLECULAR 4 + 3 CYCLO-ADDITIONS OF 2-ALKOXYALLYLIC CATIONS DERIVED FROM 2-ALKOXYALLYLIC SULFONES [J].
HARMATA, M ;
GAMLATH, CB .
JOURNAL OF ORGANIC CHEMISTRY, 1988, 53 (26) :6154-6156
[7]   ALKOXYVINYL THIONIUM IONS IN INTRAMOLECULAR 4+3 CYCLOADDITION REACTIONS [J].
HARMATA, M ;
FLETCHER, VR ;
CLAASSEN, RJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1991, 113 (26) :9861-9862
[8]  
HARMATA M, 1993, TETRAHEDRON LETT, P5381
[9]  
HARMATA M, 1990, TETRAHEDRON LETT, P5981
[10]  
HARMATA M, 1993, TETRAHEDRON LETT, P265