A facile entry into a novel class of dispiroheterocyclic framework through 1,3-dipolarcycloaddition of azomethine ylides with 3-arylidene-4-chromanones as dipolarophiles |
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Authors: | T. Augustine Scholastica Mary Vithiya |
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Affiliation: | a Postgraduate and Research Department of Chemistry, Presidency College, Chennai 600 005, India b Post graduate and Research Department of Chemistry, Auxilium College, Vellore 632 006, India c Department of Chemistry, Indian Institute of Technology, Chennai 600 036, India |
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Abstract: | The cycloaddition reaction of azomethine ylides, generated through decarboxylation, with (E)-3-arylidene-4-chromanones as dipolarophiles has been investigated. A high degree of regioselectivity has been observed in the synthesis of a new class of functionalized dispiroheterocyclic compounds bearing chromanone and acenaphthenequinone framework. The structures were established by spectroscopic techniques as well as single crystal X-ray analysis. |
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Keywords: | Chromanones Azomethine ylides Dispiroheterocycle 1,3-Dipolar cycloaddition |
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