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ChemicalBook CAS DataBase List 1,3-DIOXANE
505-22-6

1,3-DIOXANE synthesis

6synthesis methods
1,3-dioxane is prepared by the reaction of formaldehyde and 1,3-propanediol in the presence of Br?nsted or Lewis acid catalysts.
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Yield:-

Reaction Conditions:

with toluene-4-sulfonic acid in toluene

Steps:

XIII Preparation of 2-n-nonyl-1,3 dioxane STR20
EXAMPLE XIII Preparation of 2-n-nonyl-1,3 dioxane STR20 Following example I from 78.77 g of decylaldehyde (0.5 mole), 45.65 g (0.6 mole) of 1,3 propandiol 0.5 g of p-toluenesulfonic acid in 100 ml toluene are reacted to obtain 67.69 (62.65%) of a colorless product with a b.p. 70°-74° C./0.1 mm. Hg and an nD20 =1.4448.

References:

Macro Chem. Corp. US4861764, 1989, A

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