| abstract |
Summery of the invention n n Novel tetrazolinone derivatives of the formula (I) and intermediates of the formula (II) for production thereof represented by the following formulasn n wherein R¹ represents alkyl substituted by halogen, nR² and R³ represent alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or substituted phenyl, or nR² and R³ may optionally form a 5- or 6-membered heterocyclic ring together with the N-atom to which they attach, said heterocyclic ring being optionally substituted. n The above tetrazolinone derivatives have an excellent activity as the effective component in herbicides. |