Collington, Eric W (1969) Studies on the syntheses of azonia-azulenes and related compounds. Doctoral thesis, Keele University.

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Abstract

Some substituted azonia-azulenes have been prepared for the first time. The synthetic route involves the
double elimination of hydrogen bromide from the appropriate a,a-dibromoketone using lithium chloride in dimethylformamide. Attempts have been made to synthesise the unsubstituted azonia­azulenes from the intermediate azepinones but these were not successful.
A brief review is given of the uses of lithium halides in dimethylformamide as reagents for elimination.
The double dehydrobromination reaction has been extended to give a new synthesis of benzo[2,3]tropones and related systems. Investigations into the mechanism of elimination have been carried out and a possible reaction pathway proposed.

Item Type: Thesis (Doctoral)
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Natural Sciences > School of Chemical and Physical Sciences
Depositing User: Lisa Bailey
Date Deposited: 06 Feb 2019 16:38
Last Modified: 06 Feb 2019 16:38
URI: http://eprints.keele.ac.uk/id/eprint/5775

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