A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
71/7.2, 71/8.9
A01N 57/18 (2006.01)
Patent
CA 1158882
- 1 - 5-12064/MAC 1742/= Agent and method for influencing plant growth containing phosphonous acid peptides Abstract of the Disclosure An agent for inhibiting plant growth, in particular a herbicide and plant growth inhibiting agent comprises in addition to carriers and/or other additives, at least one compound of formula:- Image (I) or the corresponding zwitterion form in which R and R1 may be the same or different and each can be hydrogen, deuterium or an optionally substituted lower alkyl group, lower alkenyl, lower alkenyl, cycloalkyl, aryl or heterocyclic radical containing one or more oxygen, nitrogen or sulphur atoms and which may be fused to an aromatic ring, a lower alkyl group substituted by a cycloalkyl - 2 - radical, a lower alkyl group substituted by an aryl radical, a lower alkyl group substituted by a heterocyclic radical as defined above, or R and R1 together form a polymethylene chain optionally interrupted by an oxygen, nitrogen or sulphur atoms,or R1 represents, together with the C(R) - N< residue to which it is attached, the atoms required to complete a heterocyclic radical; and R2 and R3 may be the same or different and each can be hydrogen, optionally substituted lower alkyl, cycloalkyl, aryl or lower alkyl substituted by a cycloalkyl radical, lower alkyl substituted by a hetero- cyclic radical containing one or more nitrogen atoms; a heterocyclic radical containing one or more nitrogen atoms; or R2 and R3, independently, together with the C(H)-N residue to which each is attached, may each represent the atoms required to complete a heterocyclic radical; and n is 0, 1,'2, or 3; as well as the esters and salts thereof and all optical isomers thereof.
336898
Baylis Eric K.
Pickles Wilfred
Fetherstonhaugh & Co.
Novartis Ag
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