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

Details Process of preparing 2-(imidazolin-2-yl)-nicotinic acid compound Process of preparing 2-(imidazolin-2-yl)-nicotinic acid compound

1989-10-24

1991-03-05

Ramsuer, Robert W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546256, 544180, 544333, C07D40104

Patent

active

049979477

ABSTRACT:
The invention relates to processes for the preparation of 6-substituted 2-(imidazolin-2-yl)-nicotinic acid derivatives that are distinguished by excellent herbicidal and plant growth-regulating properties, and to intermediates and processes for the preparation of the intermediates. The derivatives correspond to formula I ##STR1## in which R.sub.1 represents hydrogen or a salt, ester or amide radical,

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patent: 4726838 (1988-02-01), Durr et al.
patent: 4743296 (1988-10-01), Durr et al.
patent: 4758667 (1988-07-01), Szczepanski

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