Synthesis of 6-cyanopurines and the isol
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M. José Alves; M. Alice Carvalho; M. Fernanda J.R.P. Proença; Brian L. Booth; Ro
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Article
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1997
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Journal of Heterocyclic Chemistry
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English
⚖ 323 KB
## Abstract (__Z__)‐__N__^1^‐(2‐Amino‐1,2‐dicyanovinyl)‐__N__^2^‐substituted‐formainidines react with dimethylformamide diethyl acetal at room temperature to give 6‐cyanopurines as the major product together with novel 5‐amino‐2‐arylimino‐3,4‐di[(__N,N__‐dimethylamino)methylideneamino]‐2__H__‐pyrro