Process for the production of 4,6-diamino-5-cyano-3-aryl-isoxazo

Details Process for the production of 4,6-diamino-5-cyano-3-aryl-isoxazo Process for the production of 4,6-diamino-5-cyano-3-aryl-isoxazo

1980-11-21

1982-09-21

Ford, John M.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546116, C07D49804

Patent

active

043508154

ABSTRACT:
Process for the production of 4,6-diamino-5-cyano-3-aryl-isoxazole [5,4-b] pyridines having the formula: ##STR1## wherein (a) R.sup.1 and R.sup.2 are --H or (b) R.sup.1 is --Cl and R.sup.2 is --H, or (c) R.sup.1 is --CH.sub.3 and R.sup.2 is --H or (d) R.sup.1 is --NO.sub.2 and R.sup.2 is --H, or (e) R.sup.1 is --H and R.sup.2 is --NO.sub.2. 2-Amino-1-propane-1,1,3-tricarbonitrile having the formula: ##STR2## is reacted with a benzohydroxamino acid chloride having the formula: ##STR3## wherein R.sup.1 and R.sup.2 have the same meaning as above, in the presence of a strong base in at least a molar quantity.

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