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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.
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Student Reports (FYP/IA/PA/PI)

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