Process for the preparation of an epoxide from ketones using an

Details Process for the preparation of an epoxide from ketones using an Process for the preparation of an epoxide from ketones using an

1993-04-01

1995-04-18

Krass, Frederick

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

549519, C07D30102

Patent

active

054080339

ABSTRACT:
An epoxide is produced by reacting a sulfonium salt with a ketone in the presence of a low molecular weight alcohol or ether and an alkali metal hydroxide at a temperature of from about 60.degree. to about 90.degree. C. The alkali metal hydroxide is in the solid form. The reaction is generally carried out in the presence of an organic solvent such as toluene. The preferred low molecular weight ether is diethylene glycol. Water is not added to the reaction mixture.

REFERENCES:
patent: 4960911 (1990-10-01), Zerbes et al.
patent: 4988829 (1991-01-01), Fiedler et al.
patent: 4992565 (1991-12-01), Mohrmann et al.
"Organic Chemistry", Stanley H. Pine, McGraw Hill Inc. 1987.

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