Saturated heterocycles, 248. Synthesis o
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Ferenc Fülöp; Zsolt Szakonyi; Gábor Bernáth; Pál Sohár
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Article
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1997
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Journal of Heterocyclic Chemistry
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English
⚖ 472 KB
## Abstract Unsubstituted and 1‐benzyl‐substituted __cis__‐cyclopenta[__d__]pyrirnidine‐2,4‐diones and __cis__‐2‐thioxo‐cyclopenta[__d__]pyrimidin‐4‐ones 9a,b and 10a,b were prepared from the corresponding __cis__‐2‐amino‐1‐cyclopentanecarboxylates 3 and 5 with potassium cyanate and thiocyanate. It