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Synthesis of tetracyclic thienotriazolopyridines based on hydrazine derivatives of fused pyridinethiones |
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| Authors: | Paronikyan E G Dashyan Sh Sh Harutyunyan A S Mamyan S S Safaryan E S |
| Institution: | 1.Scientific and Technological Center of Organic and Pharmaceutical Chemistry of the National Academy of Sciences of the Republic of Armenia, 26 prosp. Azatutyan, 0014, Yerevan, Republic of Armenia ; |
| Abstract: | A method for the synthesis of hydrazine derivatives of fused pyridinethiones based on alicyclic and heterocyclic ketones has been developed. Successive heterocyclization of these hydrazine derivatives was carried out in order to obtain new derivatives of tricyclic triazolo4,3-a]pyridines, tetracyclic thieno3,2-e]1,2,4]triazolo4,3-a]pyridines, as well as a new heterocyclic system of thieno2,3-c]1,2,4]triazolo3,4-a]-2,7-naphthyridine. |
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