Azole hemiaminal derivatives and their use as nitrification inhi

Details Azole hemiaminal derivatives and their use as nitrification inhi Azole hemiaminal derivatives and their use as nitrification inhi

1988-02-05

1990-05-15

Raymond, Richard L.

Chemistry: fertilizers

Processes and products

Organic material-containing

71902, 548374, 548375, 548377, 548378, 548262, 548336, 548337, 548341, 548342, 548517, 548569, 548571, 548573, 548376, 5482666, 5482682, 514383, 514384, 514400, 514406, 514422, 514427, C05C 1100, C07D23110, C07D24908, C07D23354

Patent

active

049254766

ABSTRACT:
Nitrification inhibitors contain azole hemiaminal derivatives of the formula ##STR1## where R.sup.1 and R.sup.2 are each hydrogen, alkyl, aryl or halogen, R.sup.3 is alkyl, cycloalkyl, alkoxy, alkenyl, alkynyl, styryl, aryl, hetaryl or aralkyl, where the aromatic radical may be substituted, or is hydroxyl, A and B are each N or CR.sup.4, and R.sup.4 is hydrogen, alkyl, aryl or halogen.

REFERENCES:
patent: 4008249 (1977-02-01), Fischer et al.
patent: 4316040 (1982-02-01), Plath et al.
patent: 4673429 (1987-06-01), Rieber et al.
Chem. Abstracts, 97: 182306n, No. 21, Nov. 22, 1982, "Heterocyclic Nitro Compounds".
Chem Abstracts, 107:198186j, No. 21, Nov. 23, 1987, "On Triazoles. VI. The Acylation of 5-Amino-1,2 4-Triazoles".

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