Abstract
Novel dihydro-5H-pyrano[3',4':5',6']pyrido[2,3-d]-1,2,4-triazolo[4,3-c]pyrimidines and 1,2,3,4-tetrazolo[1,5-c]pyrimidines have been synthesized from 2-amino-3-cyano-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine.
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REFERENCES
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Oganisyan, A.S., Noravyan, A.S. & Grigoryan, M.Z. Condensed Pyridopyrimidines. 7. Synthesis of Condensed Triazolo[4,3-c]- and Tetrazolo[1,5-c]pyrimidines. Chemistry of Heterocyclic Compounds 40, 75–78 (2004). https://doi.org/10.1023/B:COHC.0000023771.49658.46
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DOI: https://doi.org/10.1023/B:COHC.0000023771.49658.46