Synthesis of the syn and anti isomer of 1,4,5,8,9,12-hexahydro-2,3,6,7,10,11-hexamethylidene-1,4:5,8:9,12-trimethanotriphenylene and Diels-Alder reactivity of the syn isomer

被引:21
作者
Borsato, G
De Lucchi, O
Fabris, F
Lucchini, V
Pasqualotti, M
Zambon, A
机构
[1] Univ Ca Foscari Venezia, Dipartimento Sci Ambientali, I-30123 Venice, Italy
[2] Univ Ca Foscari Venezia, Dipartmento Chim, I-30123 Venice, Italy
关键词
D O I
10.1016/S0040-4039(02)02533-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The title compounds, new members in the class of tris-annelated benzenes with [2.2.1] bicyclic rings, were obtained in high yields by coupling of 2-bromo-3-trimethyltin-5,6-dimethylenenorborn-2-ene with copper(l) 2-thiophenecarboxylate (CuTC). The syn isomer was reacted with 3 equiv. of the dienophiles TCNE, DMAD, PTAD and norbornadiene to afford the corresponding cycloadducts. (C) 2002 Elsevier Science Ltd. All rights reserved.
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页码:561 / 563
页数:3
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