Easy synthesis of 7-alkylbicyclo[3.3.1]non-6-en-3-ones by silica gel-promoted fragmentation of 3-alkyl-2-oxaadamant-1-yl mesylates

被引:21
作者
Camps, P [1 ]
ElAchab, R [1 ]
FontBardia, M [1 ]
Gorbig, D [1 ]
Morral, J [1 ]
MunozTorrero, D [1 ]
Solans, X [1 ]
Simon, M [1 ]
机构
[1] UNIV BARCELONA, FAC GEOL, DEPT CRISTALLOG MINERAL & DIPOSITS MINERALS, E-08028 BARCELONA, SPAIN
关键词
D O I
10.1016/0040-4020(96)00217-7
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A synthesis of 7-alkylbicyclo[3.3.1]non-6-en-3-ones 4b-f and 4j,k by reaction of the corresponding 3-alkyl-2-oxaadamant-1-yl mesylates 3 with silica gel in methylene chloride at room temperature, is described. The method failed to give enones 4a,g and the related compounds 4l,m, what can be rationalized on mechanistic grounds. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:5867 / 5880
页数:14
相关论文
共 26 条
[1]  
[Anonymous], INT TABLES XRAY CRYS
[3]   DIRECT CLAY-CATALYZED FRIEDEL-CRAFTS ARYLATION AND CHLORINATION OF THE HYDROCARBON ADAMANTANE [J].
CHALAIS, S ;
CORNELIS, A ;
GERSTMANS, A ;
KOLODZIEJSKI, W ;
LASZLO, P ;
MATHY, A ;
METRA, P .
HELVETICA CHIMICA ACTA, 1985, 68 (05) :1196-1203
[4]   A FACILE SYNTHESIS OF METHANESULFONATE ESTERS [J].
CROSSLAN.RK ;
SERVIS, KL .
JOURNAL OF ORGANIC CHEMISTRY, 1970, 35 (09) :3195-&
[5]  
FOHLISCH B, 1973, LIEBIGS ANN CHEM, P1839
[6]  
FOHLISCH B, 1972, Patent No. 2100724
[7]  
GAGNEUX AR, 1969, TETRAHEDRON LETT, P1365
[8]   HETEROLYTIC FRAGMENTATION . A CLASS OF ORGANIC REACTIONS [J].
GROB, CA ;
SCHIESS, PW .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 1967, 6 (01) :1-&
[9]   EFFICIENT SYNTHESIS OF BARBARALANE [J].
HENKEL, JG ;
HANE, JT .
JOURNAL OF ORGANIC CHEMISTRY, 1983, 48 (21) :3858-3859
[10]   CURRENT AND FUTURE APPROACHES TO THERAPY OF ALZHEIMERS-DISEASE [J].
KAN, JP .
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY, 1992, 27 (06) :565-570