Results 3-Methyl-3-ethyl-l, 2-dioxetane (l), 3-methyl-3-(1-propyl)-1, 2-dioxetane (2), 3-methyl- 3-(l-butyl)-l, 2-dioxe-tane (3), 3-methyl-3-(2-propyl)-1, 2-dioxetane (4), and 3-methyl-3-tert- butyl-1, 2-dioxetane (5) were synthesized in 510% yield by closure of the bromo hydroperoxides in CC14 with base at 0" C. The dioxetanes, isolated by low-
