Chlorination of 2-methoxynicotinic acid

Details Chlorination of 2-methoxynicotinic acid Chlorination of 2-methoxynicotinic acid

1987-04-27

1987-12-29

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546345, C07D21380, C07D213803

Patent

active

047162317

ABSTRACT:
A novel process for chlorinating 2-methoxynicotinic acid at the 5-position of the molecule is disclosed. The process involves the use of an alkali metal hypochlorite as the chlorinating agent in a homogeneous aqueous solvent system. The compound so produced, 5-chloro-2-methoxynicotinic acid, is known to be useful as an intermediate leading to various oral hypoglycemic agents of the benzenesulfonylurea class.

REFERENCES:
patent: 1832484 (1931-11-01), Grether
patent: 2365981 (1944-12-01), Tindall
patent: 3879403 (1975-04-01), Kuhla et al.

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