Tetrahedron Letters p. 4669 - 4670 (1983)
Update date:2022-08-05
Topics:
Gotthardt, Hans
Schenk, Karl-Heinz
The pyrimidinium-4-olates of type 1 and 5 undergo 1,4-dipolar cycloaddition reactions with photochemically generated 1O2 to form the stable peroxides 2 and 6 in high yields.Chemically generated 1O2 also converts 1b-d into 2b-d.
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(1993)
