PROCEDIMIENTO PARA LA OBTENCION DE N-(3-METIL-4-(1,1'-DI- FLUORO - 2',2' - DICLOROETOXI) - FENIL)-N'METIL-N'-METOXIU- REA.

摘要

1,173,208. Herbicides containing urea derivatives. FARBWERKE HOECHST A.G. 19 April, 1967 [22 April, 1966 (2); 8 Dec., 1966; 14 Dec., 1966], No. 17966/67. Heading A5E. [Also in Division C2] A herbicidal preparation contains as an active ingredient a compound of the formula where R 1 is haloalkyl, halocycloalkyl, haloalkenyl or halocycloalkenyl of at most 5 carbon atoms, n 1 is 1 or 2, R 4 is halogen, alkyl, alkoxy or trifluoromethyl, n 2 is 0-3, R 2 is H or alkyl of 1-4 carbon atoms and R 3 is alkyl or alkoxy or 1-4 carbon atoms. The preparations may also contain fertilizers, insecticides, fungicides, ovicides, soil disinfectants or acaricides.