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|Title:||Synthesis of 5-membered heterocycles via lewis-acid mediated [3+2]-cycloaddition of vinyl azides and allylsilanes.||Authors:||Chua, Sze Hui.||Keywords:||DRNTU::Science::Chemistry::Organic chemistry::Heterocyclic compounds||Issue Date:||2010||Abstract:||This report presents a concise approach towards the synthesis of multi-substituted pyrroles and dihydropyrroles via [3+2]-cycloaddition of vinyl azides and allylsilanes. This reaction is mediated by Ti (IV) reagents, such as TiCl4. Interestingly, the choice of quenching reagents, either pH 9 ammonium buffer or Et3N, determine whether dihydropyrroles or pyrroles were obtained.||URI:||http://hdl.handle.net/10356/39831||Fulltext Permission:||restricted||Fulltext Availability:||With Fulltext|
|Appears in Collections:||SPMS Student Reports (FYP/IA/PA/PI)|
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