WATER-SOLUBLE 1 AND/OR 2 ACID ALKYLENE IMIDAZOLES

• Main Authors: BAKONYI; MARIA, CSERMELY; GYORGY, LUGOSI; GYORGY, ZSOLNAI; TIBOR, SZOKE; SANDOR, SZEPESSY; ISTVAN
• Format: Patent
• Language: English
• Published: 31.08.1976
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMISTRY; FISHING; FORESTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HUNTING; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; TRAPPING

1462015 Benzimidazole derivatives CHINOIN GYOGYSZER ES VEGYESZETI TERMEKEK GYARA RT 5 Feb 1975 [5 Feb 1974] 4863/75 Heading C2C Novel benzimidazole derivatives of the formula wherein one of R1 and R2 is hydrogen and the other is -(CH 2 ) n So 3 H; n is 1 to 5 and R3 is alkyl, or a salt thereof, are prepared by either (a) alkylating an ester of the formula with either a compound of the formula wherein m is 1 to 3, or with a compound of formula wherein X is halogen and M is hydrogen, sodium, potassium or ammonium, or (b) reacting a compound of the formula with either (i) a diurethane derivative of the formula (ii) a thiourea-diurethane derivative of the formula (iii) a carboxamidocyanamide derivative of the formula (iv) a dicarboxamidocyanamide derivative of the formula (v) a carbalkoxyisocyanate of the formula (vi) a carbalkoxyisothiocyanate of the formula (vii) a dihalomethylene-carbaminic acid ester of the formula or (viii) a dimethylthiocarbaminic acid ester of the formula (c) reacting a compound of the formula with a haloformate of the formula or (d) replacing group Z in a compound of the formula with a sulphonic acid moiety. The novel compounds possess herbicidal and pharmaceutical activity.