Pressure-dependent formation of bicyclo[3,2,0]hepta-1,4,6-triene, fulvenallene, and ethynylcyclopentadiene in the pyrolysis of 1,2-diethynylcyclopropane
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 2,p. 49-50
- https://doi.org/10.1039/c39720000049
Abstract
Thermolysis of trans-1,2-diethynylcyclopropane at pressures near 100 Torr produces only bicyclo[3,2,0]-hepta-1,4,6-triene; as the pressure is lowered, however, fulvenallene and ethynylcyclopentadiene became major components of the primary product distribution, indicating that the bicycloheptatriene is generated in a vibrationally excited form which, in time, can rearrange to the additional products observed at low pressure.Keywords
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