Thiopyridine-N-oxides, thiopyridines, and thiopyrimidines as ure

Details Thiopyridine-N-oxides, thiopyridines, and thiopyrimidines as ure Thiopyridine-N-oxides, thiopyridines, and thiopyrimidines as ure

1988-11-03

1990-06-12

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71902, 71903, C05G 308

Patent

active

049329910

ABSTRACT:
Newly developed testing procedures have demonstrated that three new classes of compounds, the thiopyridine-N-oxides, the thiopyridines, and the thiopyrimidines are highly effective inhibitors of urease activity in agricultural soil systems. Compositions of urea-containing fertilizers in combination with these materials can be used to reduce ammonia loss and control the activity of the soil enzyme urease in the conversion of urea to ammonia.

REFERENCES:
patent: 4517003 (1985-05-01), Kolc et al.
patent: 4696693 (1987-09-01), Swerdloff et al.
patent: 4808206 (1989-09-01), Smith

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