Abstract
1. Various methods for the preparation of 3,3-dialkyl(and aryl)oxetanes were investigated. 3,3-Dimethyloxetane was prepared from the corresponding diol, from the corresponding chlorohydrin acetate, and for the corresponding m-dioxane. The highest yield (54%) was obtained by the use of the chlorohydrin acetate. 2. 3,3-Dimethyloxetane was prepared in 25–30% yield from 5,5-dimethyl-m-dioxane. 3,3-Diethyl-oxetane was synthesized from the cyclic carbonate of the corresponding diol and from the corresponding chlorohydrin acetate, and 3-methyl-3-propyloxetane and 3-butyl-3-ethyloxetane were synthesized from the corresponding chlorohydrin acetates. Yields 70–80%. 3. The various methods of synthesis and their mechanisms are discussed.
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