New morpholino-urea deriv. are insect repellents

摘要

Morpholino-urea derivs. of formula (I) are new: R1-R8 = independently H or opt. substd. alkyl, alkenyl, alkynyl, cycloalkyl or phenyl; or R1+R4 and/or R5+R8 may form a carbocyclic ring. R9 = alkyl, alkenyl, alkynyl, cycloalkyl or benzyl, all opt. substd. R10 = H or opt. substd. alkyl, alkenyl, benzyl or cyclo-alkyl; or R9+R10 = polyalkylene, opt. substd. by heteroatoms. (I) is e.g. 4-(N,N-di-n-butylamino-carbonyl)-morpholine (Ia).