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Type: Artigo de periódico
Title: Heck Arylation Of Endocyclic Enecarbamates With Diazonium Salts. Improvements And A Concise Enantioselective Synthesis Of (-)-codonopsinine.
Author: Severino, E A
Roque D Correia, C
Abstract: Total enantioselective synthesis of the natural (-)-codonopsinine was accomplished in seven steps with an overall yield of approximately 16% starting from the five-membered endocyclic enecarbamate 4. The total synthesis features a highly efficient and stereoselective Heck arylation of endocyclic enecarbamate 4 with p-methoxybenzenediazonium tetrafluoroborate and a stereoselective epoxidation/epoxide opening sequence as key steps.
Subject: Alkylation
Chromatography, Gas
Chromatography, Thin Layer
Diazonium Compounds
Rights: fechado
Identifier DOI: 
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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