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外文期刊>israel journal of chemistry
>Thiohydrolysis of 6‐Methylthio‐8‐Azapurines (7‐Methylthio‐1,2,3,4,6‐Penta‐Azaindenes)Bearing a Methyl Substituent in the Triazole Ring
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Thiohydrolysis of 6‐Methylthio‐8‐Azapurines (7‐Methylthio‐1,2,3,4,6‐Penta‐Azaindenes)Bearing a Methyl Substituent in the Triazole Ring
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机译：Thiohydrolysis of 6‐Methylthio‐8‐Azapurines (7‐Methylthio‐1,2,3,4,6‐Penta‐Azaindenes)Bearing a Methyl Substituent in the Triazole Ring
AbstractIn 8‐azapurines, the 1,2,3‐triazole ring can assume three tautomeric forms. The corresponding 7‐, 8‐ and 9‐ methy1‐6‐methylthio derivatives all underwent rapid thiohydrolysis to the respective 6‐thio‐8‐azapurines, when treated with ammonium sulfide at room temperature. The high reactivity of the 8‐methyl derivative was anticipated on the basis of its o‐quinonoid structure. However, thiohydrolysis of 7‐ and 9‐ methyl‐6‐methylthio‐8‐ azapurine is unexpected and contrasts sharply with the refractoriness of
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