| 摘要 |
The present invention relates to the use of acylated alpha -amino acid ester derivatives, some of which are known, as insect and mite repellents. …<??>The derivatives used according to the invention have the formula …<IMAGE>… in which R<1> stands for hydrogen or for an optionally substituted alkyl, alkenyl or alkynyl radical, R<2> and R<5> are identical or different and stand for optionally substituted alkyl, alkenyl or alkynyl radicals and R<3> and R<4> stand for hydrogen, optionally substituted alkyl, aralkyl or aryl or, together with the atom to which they are bonded, form an optionally substituted monocyclic ring. |
