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Enantioselective Synthesis of Highly Functionalized Phosphonate‐Substituted Pyrans or Dihydropyrans Through Asymmetric [4+2] Cycloaddition of β,γ‐Unsaturated α‐Ketophosphonates with Allenic Esters
Author(s) -
Pei ChengKui,
Jiang Yu,
Wei Yin,
Shi Min
Publication year - 2012
Publication title -
angewandte chemie
Language(s) - German
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201206958
Subject(s) - enantioselective synthesis , chemistry , phosphonate , cycloaddition , cinchona , organic chemistry , stereochemistry , catalysis
Du hast die Wahl! Katalytische asymmetrische [4+2]‐Cycloadditionen β,γ‐ungesättigter α‐Ketophosphonate mit Allenestern in Gegenwart von Cinchona‐Alkaloiden liefern hoch enantioselektiv Phosphonat‐substituierte Pyran‐ und Dihydropyran‐Derivate. Welches Produkt entsteht, hängt von den H‐Brücken‐Charakteristika des jeweiligen Katalysators ab.
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