Carbamates of the formula ##STR1## where either R.sup.1 is straight-chain or branched alkyl of not more than 4 carbon atoms and R.sup.2 is straight-chain or branched alkyl of not more than 6 carbon atoms, or R.sup.1 and R.sup.2, together with the molecular moiety which they include, form a 5-membered, 6-membered or 7-membered heterocyclic ring, R.sup.3 is straight-chain or branched alkyl of not more than 6 carbon atoms or cycloalkyl of 3 to 6 carbon atoms, R.sup.4 is methyl or methoxy, and n is 1 or 2, their preparation and their use as insecticides.
Die Herstellung von neuen Etheraldolen der allgemeinen Formel (1)
(R' und R2 Alkyl) gelingt durch Umsetzung von 2- Alkylacroleinen H2C = CHR2-CHO, Alkoholen R'OH und vorzugsweise wäßrigem Formaldehyd in Gegenwart eines tertiären Amins.