Hetero-Diels-Alder Reaction of 3-Bromo-7-(bromomethyl)tetracyclo[5.3.1.0<sup>2,6</sup>.0<sup>4,8</sup>]undec-10(12)-ene-9,11-dione with Pentafulvenes: Facile Synthesis of Novel Polycyclic Cage Compounds Having a Pyran Ring
作者:Mangalam Nair、Beena James、E. Suresh
DOI:10.1055/s-2006-956481
日期:2006.12
The enone moiety of 3-bromo-7-(bromomethyl)tetracyclo[5.3.1.02,6.04,8]undec-10(12)-ene-9,11-dione undergoes facile hetero-Diels-Alder reaction with pentafulvenes leading to novel cage systems with pyran moiety
Formation of novel polycyclic cage compounds through ‘uncaging’ of readily accessible higher cage compounds
作者:Beena James、Nigam P. Rath、E. Suresh、Mangalam S. Nair
DOI:10.1016/j.tetlet.2006.06.005
日期:2006.8
The synthesis of the novel cage compounds 7-halomethyl-8-(carbomethoxy)tetracyclo[4.2.1.1(4,7).0(2,5)]deca-3-(11)-ene-10-ones, methyl-4-methylene-6-oxopentacyclo[5.4.0.0.(2,5).0(3,10).0(7,9)]undecane-9-carboxylate, 3-chloromethyl-4-(carbomethoxy)tetracyclo[4.2.1.1.(3,8).0(2,5)]deca-7(11)ene-10-one, 2-bromo-5-methyl-8-methylene-6-oxotricyclo[5.3.0.0(3,9)]decane-4-carboxylic acid and 2-bromo-5-methyl-8-methylene-6-oxotricyclo[5.3.0.0(3,9)]decane-4-methyl carboxylate, achieved through base catalyzed rearrangement, is described. (c) 2006 Elsevier Ltd. All rights reserved.