CO 2 R, they yield oxypyrimidines (A.
H HN CEH?Chch C(Ch3)N.Cs The ketonic esters under like treatment yield oxypyrimidines, whilst if cyanacetic ester be employed then amino-oxypyrimidines are obtained.
6), melts at 180-181Ã‚°C. The simple oxypyrimidines are obtained by the action of nitrous acid on the amino derivatives, or by heating these latter with concentrated hydrochloric acid to 180Ã‚° C. They show both basic and phenolic properties and are indifferent to the action of reducing agents.
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