N-HETEROCYCLIC COMPOUNDS USED AS NITRIFICATION INHIBITOR

    公开(公告)号:CA3192219A1

    公开(公告)日:2022-03-17

    申请号:CA3192219

    申请日:2021-09-12

    Abstract: The use of an N-heterocyclic compound of the general formula (a) or (b) with the following definitions: X1 being S or O, X2 being S or O and at least one of X1 and X2 being S R2 H or C1-4-alkyl, R3 H or C1-4-alkyl R6 and R7 are hydrogen or together form a covalent carbon-carbon bond in general formula (a) R1 being H, C1-12-alkyl or -CH2-NR4R5 with R4 hydrogen or C1-4-alkyl, R5 C1-12-hydrocarbon residue which can contain one to three halogen atoms and/or one to four heteroatoms, selected from the group consisting of nitro-gen, oxygen and sulfur, it also being possible for R4 and R5, together with the nitrogen atom joining them, to form a 5- or 6-membered saturated or unsatu-rated heterocyclic radical, which optionally may also contain one or two fur-ther heteroatoms selected from the group consisting of nitrogen, oxygen and sulfur, in general formula (b) R1 being H or C1-17-hydrocarbon, preferably H, or -CH2-R5 with R5 being H or C1-16-hydrocarbon residue, which hydrocarbon can contain one to three halogen atoms and/or one to six heteroatoms, selected from the group consisting of nitrogen, oxygen and sulfur, and preferably in general formula (a) and (b) X1 and X2 being S, as nitrification inhibitor.

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