Tetrahedron Letters p. 2299 - 2302 (1983)
Update date:2022-07-30
Topics:
Kamphuis, J.
Visser, R.G.
Bos, H.J.T.
Mackor, A.
Huizer, A.H.
In the (4+2)-cycloaddition reaction of xanthenethione 1 with phenylallene 2 to give amongst other, thiopyran derivative 6 and thiopyran 7 as the isolable product, a ketyl radical has been found and identified by ESR spectroscopy.Its conformation and role in the formation of compound 6 are discussed.
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