Issue 23, 1976

Mechanism of the boron trifluoride-catalysed cyclisation of some cyclo-octenylidene derivatives

Abstract

The conversion of ethyl cyclo-oct-4-enylideneacetate (1) into ethyl 1-phenylbicyclo[3.3.1]nonane-9-carboxylate (2) and the corresponding acid (3) by boron trifluoride–ether complex in benzene has been investigated, and a mechanism is suggested. Ethyl (1-phenylcyclo-oct-4-enyl)acetate (11) and ethyl 5-phenylcyclo-octylideneacetate (10) have been synthesised; examination of their separate reactions with boron trifluoride–ether in benzene shows that neither is an intermediate in the conversion.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1976, 2457-2462

Mechanism of the boron trifluoride-catalysed cyclisation of some cyclo-octenylidene derivatives

R. S. Atkinson and R. H. Green, J. Chem. Soc., Perkin Trans. 1, 1976, 2457 DOI: 10.1039/P19760002457

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