Tetrahedron p. 503 - 508 (1981)
Update date:2022-08-16
Topics:
Lasne, M. C.
Ripoll, J. L.
Denis, J. M.
Double retro-Diels-Alder cleavage by flash thermolysis gave the new, unstable polyunsaturated ketones and hydrocarbons 1-5 for which NMR, IR and UV spectra at low temperature are reported.The Diels-Alder adducts of compounds 1-3 with various dienes, the 1,6-additions of several nucleophilic agents with 4, and the isomerisation of 5 in p-ethynylstyrene support the proposed structures.
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