5 heterocyclic 2 2 imidazolin 2 yl pyridines patents

5-heterocyclic 2-(2-imidazolin-2-yl)-pyridines as herbicides

Filed: March 23rd, 1993 [Granted]

Patent Number: 5283230

5-HETEROCYCLIC 2-(2-LMIDAZOLIN-2-YL)-PYRIDINES AS HERBICIDES This is a ... 31, 1987 discloses 5(and/or 6)substituted 2-(2- imidazolin-2-yl)nicotinic acids, ...

5-heterocyclic 2-(2-imidazolin-2-yl)pyridines, useful as herbicidal agents

Filed: October 21st, 1993 [Granted]

Assignee: American Cyanamid Company

Patent Number: 5405827

30 SUMMARY OF THE INVENTION The present invention describes 5-heterocyclic 2-(2- imidazolin-2-yl)pyridine compounds that are highly effective herbicidal ...

5-heterocyclic 2-(2-imidazolin-2-yl)pyridines, useful as herbicidal agents ...

Filed: May 2nd, 1991 [Granted]

Assignee: American Cyanamid Company

Patent Number: 5225564

5-HETEROCYCLIC 2-(2-IMIDAZOLIN-2-YL)PYRIDINES, USEFUL AS HERBICIDAL AGENTS AND METHODS FOR THE PREPARATION THEREOF This is a divisional of co-pending ...

Alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids

Filed: June 11th, 1991 [Granted]

Assignee: American Cyanamid Company

Patent Number: 5239070

Herbicidal 5-heterocyclic-2-(2-imidazolin-2-yl)pyri- dines and methods of use ... the present invention to provide 5-heterocyclic-pyridine-2,3-dicarboxylate ...

HETEROCYCLIC SUBSTITUTED IMIDAZOLINE HYDRAZONES

Filed: November 24th, 1967 [Granted]

Patent Number: 3528968

The solid is filtered off and then crystallized from isopropanol to provide 3- pyridine- carboxaldehyde-2-imidazolin-2-yl hydrazone hydrogen iodide; ...

Process of preparing 2-(imidazolin-2-yl)-nicotinic acid compounds

Filed: October 24th, 1989 [Granted]

Assignee: Ciba-Geigy Corporation

Patent Number: 4997947

5 10 15 20 25 30 35 40 45 50 55 60 65 ... The present invention relates to processes for the preparation of 6-substituted 2-(imidazolin-2-yl)-nico- tinic ...

Alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids and methods ...

Filed: May 27th, 1993 [Granted]

Assignee: American Cyanamid Company

Patent Number: 5344935

EXAMPLE 22 Preparation of 5-(l,3-Dioxolan-2-yl)-2-(4-isopropyl-4-methyl-5-oxo-2- imidazolin-2-yl)nicotinic acid A solution of 5-(l,3-dioxolan-2-yl)-2 ...

2,6-substituted pyridine compounds

Filed: June 17th, 1987 [Granted]

Assignee: Monsanto Company

Patent Number: 4835279

91 HETEROCYCLIC NITROGEN/SULFUR DERIVATIVES ... acid Isopropylamine salt of 2-(4 -isopropyl-4-methyl-5-oxo-2- imidazolin-2-yl)nicotinic acid Methyl ...