Process for preparing trioxane

Details Process for preparing trioxane Process for preparing trioxane

1995-06-30

2000-09-26

Owens, Amelia

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D32306

Patent

active

061244805

ABSTRACT:
The process serves for the preparation of trioxane from formaldehyde in the gas phase in the presence of a tungstomolybdophosphoric acid of the composition H.sub.3 PW.sub.n Mo.sub.m O.sub.40 .multidot.xH.sub.2 O (n=4-8, m=12-n; x=0-32) as catalyst.

REFERENCES:
patent: 3496192 (1970-02-01), Ackermann et al.
patent: 4381397 (1983-04-01), Yoshida et al.
Akimoto, M. et al 12--Heteropolymolybdates as catalysts for vapor-phase oxidative dehydrogenation of isobutyric acid. 3. Molybdotungstophosphoric and molybdovanadophosphoric acids. CA102:12784 (1984).

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