Reactions of Uracils, Some Aspects of th
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MΓ‘tyus, PΓ©ter ;SohΓ‘r, PΓ‘l ;Wamhoff, Heinrich
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Article
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1984
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John Wiley and Sons
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English
β 453 KB
## Abstract The novel 7βhydrazinoβ1,3βdimethylpyrido[2,3β__d__]pyrimidineβ2,4(1__H__,3__H__)βdione (**2**) gives the hydrazine derivatives **3, 5, 6, 8**, and **10**. The __s__βtriazolo[4β²,3β²: 1,6]pyrido[2,3β__d__]pyrimidine **4** is prepared from **3**, while the attempted cyclizations of **5, 6**