Aluminum → HCID 18946421, compound

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2-isopropylidene-1,3-dioxane was prepared from 2-methoxy-2-isopropyl-1,3-dioxane (17.1 g; 0.106 mol) and aluminum tri-t-. butoxide (26.2 g; 0.106 mol) according to a procedure similar to that described in preparation 3(e). The product was purified by distillation to afford 6.5 g (47.4%) of 2-isopropylidene-1,3-dioxane, (Formula V: R3 =R4 =CH3 ; R5 and R6 together=--O(CH2)3O--) as an oil, b.p. 70°-72° C./30 mm.

Provenance & Evidence