Cyclocondensation reactions gave 7,10-dihydro-8H-pyrano- and 7,10-dihydro-8H-thiopyranopyrido- thienopyrimidines and 7,8,9,10-tetrahydropyrimidothienoisoquinolines with a fused triazole or tetra- zole ring at the pyrimidine ring.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1491-1497, September, 2012.
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Paronikyan, E.G., Hakobyan, S.F. & Noravyan, A.S. Synthesis of pyrano- and thiopyranopyrido-thienopyrimidines and pyrimidothienoiso-quinolines with a fused triazole or tetrazole ring at the pyrimidine ring. Chem Heterocycl Comp 48, 1390–1396 (2012). https://doi.org/10.1007/s10593-012-1148-2
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DOI: https://doi.org/10.1007/s10593-012-1148-2
Keywords
- 7,10-dihydro-8H-pyrano[4",3":4',5']pyrido[3',2':4,5]thieno[2,3-e]tetrazolo[1,5-c]pyrimidines
- 7,10-dihydro-8H-pyrano[4",3":4',5']pyrido[3',2':4,5]thieno[2,3-e][1,2,4]triazolo[1,5-c(4,3-c)]pyrimidines
- 7,8,9,10-tetrahydrotetrazolo[1",5":1',6']pyrimido[4',5':4,5]thieno[2,3-c]isoquinolines
- 7,8,9,10-tetrahydro- [1,2,4]triazolo[1",5":1',6'(4",3":1',6')]pyrimido[4',5':4,5]thieno[2,3-c]isoquinolines
- annelation
- cyclo- condensation