4-alkylimidazole derivatives and their use as nitrification inhi

Chemistry: fertilizers – Processes and products

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71 30, 71 6401, 71902, 548337, C09K 1700, C07D23354

Patent

active

046029273

ABSTRACT:
4-Alkylimidazole derivatives of the formula I ##STR1## where R.sup.1 is C.sub.1 -C.sub.4 -alkyl, R.sup.2 is chlorine or bromine and R.sup.3 is an --OR.sup.4 or --NR.sup.5 R.sup.6 group in which R.sup.4 is C.sub.1 -C.sub.4 -alkyl, R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sub.6 is C.sub.1 -C.sub.4 -alkyl or is phenyl which is unsubstituted or substituted by 1 or 2 halogen atoms, and its salts, their preparation and their use as nitrification inhibitors.

REFERENCES:
patent: 3996366 (1976-12-01), Baker et al.
patent: 4233058 (1980-11-01), Sasse et al.
patent: 4314844 (1982-02-01), Swithenbank et al.

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