Synthesis of Novel 6-Cyano-9-(aryl)-9H-purine Derivatives Via Formamidine Intermediates
Novel 9-substituted cyanopurine derivatives (4a-d) were synthesized in three steps in high yield. Diaminomaleonitrile (1) reacted with triethyl orthoformate to afford (Z)-N-[2-amino-1,2-dicyanovinyl] formimidate (2) which was converted to aryl-(Z)-N-[2-amino-1,2-dicyanovinyl] formamidines (3a-d) in...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2012-01-01
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| Series: | E-Journal of Chemistry |
| Online Access: | http://dx.doi.org/10.1155/2012/762641 |
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