A process for the preparation of compounds of the formula I (see formula I) in which R is glycidyl, R1 and R3 independently of one another are C1-C6alky l and R2 and R4 independently of one another are hydrogen or methyl, wherein (i) a diamine of the formula II (see formula II) in which R1, R2, R3 and R4 are as defined above, is reacted with epichlorohydrin in a molar ratio of 1:12 to 1:40 at a temperature of 80 to 115.degree.C and (ii) a phase transfer catalyst is mixed with the reaction mixture, the epichlorohydrin is subjected to distillation while being circulated and at the same time the dehydrochlorination is carried out with the addition of a concentrated, aqueous alkali metal or alkaline earth metal hydroxide solution and simultaneous removal of the water distilled off azeotropically.
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