Journal of Organic Chemistry p. 4753 - 4759 (1991)
Update date:2022-07-30
Topics:
Paisdor, Bernd
Kuck, Dietmar
A new and efficient route to the tribenzo<3.3.3>propellane 1 (triptindan) and to some interesting derivatives such as 9-triptindanone (13) and 9,10,11-triptindantrione (3) has been developed.The propellane framework of 13 is accessible from 1,3-indandione in only two steps.Triketone 3, a versatile substrate with formal C3v molecular symmetry, is obtained from 13 in two further steps.First examples are presented for reactions of 3 leading to more complex benzoannelated centropolyquinanes (centropolyindans).
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Doi:10.1039/c1ob06593a
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