Process for preparing 2-[(N-2-pyridylcarbomyl)methyl]saccharin

Details Process for preparing 2-[(N-2-pyridylcarbomyl)methyl]saccharin Process for preparing 2-[(N-2-pyridylcarbomyl)methyl]saccharin

1986-02-10

1987-07-14

Ford, John M.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D41712

Patent

active

046804056

ABSTRACT:
Process for preparing 2-[(N-2-pyridylcarbomyl)methyl]saccharin of the formula ##STR1## using 1-methyl-2-chloropyridine-iodine as the condensing agent. The process involves reacting a mixture of 2-aminopyridine, tri-n-butylamine and 2-carboxymethyl saccharin (VIII), in dichloromethane, in the presence of 1-methyl-2-chloropyridine iodine (X).

REFERENCES:
patent: 4074048 (1978-02-01), Zinnes et al.
patent: 4474955 (1984-10-01), Iannella
Baylina, Chemical Abstracts, vol. 97, entry 55826g (1982).
Izquierdo Sanjose, Chemical Abstracts, vol. 97, entry 72378e (1982).
Iannella, Chemical Abstracts, vol. 98, entry 126135q (1983).
Perillo et al., Chemical Abstracts, vol. 99, entry 5574u (1983).
Chiesi Pharmaceutical, Chemical Abstracts, vol. 103, entry 123493r (1985).

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