| abstract |
Intermediates for herbicides, the intermediates having the formulas <IMAGE> (XI) <IMAGE> (Va) and <IMAGE> (Xa) in which R1 represents alkyl having 3 to 4 carbon atoms or represents cyclopropyl, R3 and R4 independently of one another represent hydrogen, alkyl, aralkyl or aryl Q represents NHz or <IMAGE> and R1-1 represents alkyl. |