An Expeditious Synthesis of Heteroarenes
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Mahendra Nath; Pratibha Srivastava; Atul Goel; Vishnu J. Ram
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Article
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1998
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John Wiley and Sons
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English
โ 199 KB
๐ 2 views
Pyrazolo[1,5-a]pyridines (3) and pyrano [4,3-d]pyrazolo [1,5-achieved from the reaction of 2 with polarised ketene dithioacetals (5) and arylidenemalononitrile, respectively. An a]pyridines (4) have been synthesized from the reaction of pyran-2-one (1) and 5-aryl-3-cyanomethyl-1H-pyrazole (2) analog