| abstract |
R 1 bis R 3 die in der Beschreibung gegebene Bedeutung haben, sowie ihre Verwendung als Schädlingsbekämpfungsmittel, vor allem als Fungizide. New allophanate derivatives of the formula (I) in which R 1 to R 3 have the meaning given in the description, and their use as pesticides, especially as fungicides. n n n R 3 die in der Beschreibung gegebene Bedeutung hat, umsetzt. The new allophanate derivatives can be prepared, for example, by reacting a suitable N-isocyanatocarbonyl carbamate with a suitable compound MR 3 , where R 3 has the meaning given in the description and M represents hydrogen or a metal cation, or by using a suitable N -Halogencarbonyl-urethane with a suitable compound wherein R 3 has the meaning given in the description. |