Fused tetracycles with a benzene or cyclohexadiene core: [2+2+2] cycloadditions on macrocyclic systems

被引:29
作者
Brun, Sandra [1 ]
Garcia, Lidia [1 ]
Gonzalez, Ivan [1 ]
Torrent, Anna [1 ]
Dachs, Anna [1 ]
Pla-Quintana, Anna [1 ]
Parella, Teodor [2 ]
Roglans, Anna [1 ]
机构
[1] Univ Girona, Dept Chem, E-17071 Girona, Spain
[2] Univ Autonoma Barcelona, Servei RMN, E-08193 Barcelona, Spain
关键词
D O I
10.1039/b806524a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A series of fused tetracycles with a benzene or cyclohexadiene core (2a-h) is satisfactorily prepared by intramolecular [2 + 2 + 2] cycloadditions of triynic and enediynic macrocycles (1a-h) under RhCl(PPh3)(3) catalysis; the enantioselective cycloaddition of macrocycles 1b and le gives chiral tetracycles with moderate enantiomeric excess.
引用
收藏
页码:4339 / 4341
页数:3
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