Method for the isomerization of oxiranes

Details Method for the isomerization of oxiranes Method for the isomerization of oxiranes

1986-12-22

1988-03-29

Reamer, James H.

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

Organic compounds

Oxygen containing

568341, 568384, C07C 4551

Patent

active

047345292

ABSTRACT:
The method for the isomerization of oxiranes of the general formula: ##STR1## wherein R.sub.1 and R.sub.3 are hydrogen; R.sub.2 is alkyl or alkylene groups of 3 to 26 carbon atoms or the phenyl group which may also be substituted, and R.sub.4 is hydrogen or alkyl from 1 to 26 carbon atoms and in which the carbon atoms of the epoxy ring can also form components of a cyclic system, wherein as a catalyst there is used alkali iodide and a polyethyleneglycol with an average mol mass of 400 to 10,000 with a boiling point, preferably above the boiling point of the carbonyl compounds that are formed.

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patent: 3542883 (1970-11-01), Nenitescu et al.
patent: 3855303 (1974-12-01), Bishop
patent: 4451672 (1984-05-01), Gray

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