Process for the preparation of substituted azoxycyanides

Details Process for the preparation of substituted azoxycyanides Process for the preparation of substituted azoxycyanides

1992-05-28

1994-03-29

Higel, Floyd D.

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

Organic compounds

Diazooxide or diazotate

534616, C07C24502, C07C24520, C07C29108, C07C25567, A01N 3326

Patent

active

052986063

ABSTRACT:
A process for the preparation of a compound of general formula ##STR1## wherein X represents a cyano group, a group --COOH or a salt, ester or amido derivative thereof, R.sup.1 represents a hydrogen atom or an optionally substituted alkyl group, R.sup.2 represents an optionally substituted alkyl or phenyl group, Z represents an alkyl group or a halogen atom and n represents 0, 1, 2, 3 or 4, the process comprising reacting a compound of general formula ##STR2## with a first reactant capable of both dehydrating the amide group of said compound of general formula IV, to form a group X wherein X represents a cyano group, and reacting with the carboxy group of said compound of general formula IV to form a group with which a compound of general formula R.sup.1 R.sup.2 NH may react; subsequently reacting the resulting compound with a compound of general formula R.sup.1 R.sup.2 NH to form a compound of general formula III wherein X represents a cyano group; and optionally derivatizing that compound to form other compounds of general formula III, is disclosed.

REFERENCES:
patent: 3419540 (1968-12-01), Feltzer et al.
patent: 5084448 (1992-01-01), Gray et al.
Hayashi et al., J. Pharm. Soc. Japan, vol. 85, pp. 475 to 476 (1965).

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