Derivatives of Condensed Thienopyrimidimines. 13. Synthesis and Structure of Pyrano[4',3':4,5]thieno[3,2-e]-1,2,4-triazolo[2,3-c]pyrimidines |
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| Authors: | A Sh Oganisyan A S Noravyan A A Karapetyan M S Aleksanyan Yu T Struchkov |
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| Institution: | (1) Center for Investigation of Molecular Structure, Armenian National Academy of Sciences, Erevan, 375014;(2) Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, 117813, Russia |
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| Abstract: | Methods for the synthesis of 5-substituted 10,10-dimethyl-10,11-dihydro-8H-pyrano4',3':4,5]thieno3,2-e]-1,2,4-triazolo2,3-c]pyrimidines have been developed. An X-ray crystallographic study of 5-(2-ethoxymethylhydrazino)-10,10-dimethyl-10,11-dihydro-8H-pyrano4',3':4,5]thieno3,2-e]-1,2,4-triazolo2,3-c]pyrimidine has been carried out. |
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| Keywords: | dithioxopyrimidine pyranothienopyrimidine pyranothienotriazolopyrimidines |
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