AZOLE HEMIAMINAL DERIVATIVES AND THEIR USE AS NITRIFICATION INHIBITORS

摘要

Azol semi-aminal derivatives of the formula …… in which… R<1> and R<2> are hydrogen, alkyl, aryl or halogen,… R<3> is an alkyl, cycloalkyl, alkoxy, alkenyl, alkynyl or styryl radical, an aryl, heteroaryl or aralkyl radical, where the aromatic ring can be substituted, or is a hydroxyl radical,… A and B are N or CR<4>, where… R<4> is hydrogen, alkyl, aryl or halogen, and nitrification inhibitors containing these derivatives.