Method for production of 1,3-dioxolanes

Details Method for production of 1,3-dioxolanes Method for production of 1,3-dioxolanes

1990-08-09

1991-06-25

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31712

Patent

active

050268805

ABSTRACT:
A method for the production of a 1,3-dioxolane represented by the general formula III: ##STR1## wherein R.sup.1 is hydrogen atom or an alkyl group of 1 to 5 carbon atoms and R.sup.2 is hydrogen atom or an alkyl group of 1 to 2 carbon atoms or a phenyl group, which method comprises reacting an aldehyde represented by the general formula I ##STR2## wherein R.sup.1 has the same meaning as defined above, with an alkylene oxide represented by the general formul II: ##STR3## wherein R.sup.2 has the same meaning as defined above, in an alkylene glycol solvent corresponding to said alkylene oxide in the presence of at least one catalyst selected from the group consisting of bromides of alkali metals, iodides of alkali metals, bromides of alkaline earth metals, and iodides of alkaline earth metals.

REFERENCES:
patent: 3725438 (1973-04-01), Barone et al.
patent: 4159347 (1979-06-01), Yoshida et al.

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