Process for preparation of 5-cyanopyrid-6-ones

Details Process for preparation of 5-cyanopyrid-6-ones Process for preparation of 5-cyanopyrid-6-ones

1976-06-23

1978-04-11

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D21357

Patent

active

040838498

ABSTRACT:
5-Cyanopyrid-6-ones are manufactured by reacting haloacetic acid esters with nitrogen compounds, then reacting the mixture with alkali metal cyanides, and finally reacting it with dicarbonyl compounds. The products are starting materials for the manufacture of dyes, assistants, pharmaceuticals, vitamin B 6, crop protection agents and aminoacids.

REFERENCES:
patent: 3487066 (1969-12-01), Ritter et al.
patent: 3640674 (1972-02-01), Berrie et al.
patent: 3905951 (1975-09-01), Berrie et al.
patent: 3923776 (1975-12-01), Gnad

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