3-(P-methoxybenzylthio)2-non-oxocarbonylic pyridines

Details 3-(P-methoxybenzylthio)2-non-oxocarbonylic pyridines 3-(P-methoxybenzylthio)2-non-oxocarbonylic pyridines

1974-12-05

1976-06-15

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D21379, C07D21381

Patent

active

039637336

ABSTRACT:
3-Thiolpicolinic acid is prepared by reacting a 3-halopyridine, having a 2-substituent which is hydrolyzable to a carboxy group, with an alkali metal salt of p-methoxybenzyl mercaptan, hydrolyzing the 2-substituent to a carboxy group and then cleaving the p-methoxybenzyl group under non-reductive acid conditions. The 3-(p-methoxybenzylthio)pyridines substituted in the 2-position by a carboxy group or a group which is hydrolyzable to a carboxy group are new intermediates.

REFERENCES:
patent: 3639413 (1972-02-01), Domenico
patent: 3860716 (1975-01-01), Berkoff et al.

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