Synthesis of functionalised cyclopentenones via rearrangement of pyranones
摘要:
Substituted functionalised cyclopentenones could be obtained via base-mediated isomerisation of pyranones. (C) 2000 Elsevier Science Ltd. All rights reserved.
Synthesis of benzofurans via an acid catalysed transacetalisation/Fries-type O → C rearrangement/Michael addition/ring-opening aromatisation cascade of β-pyrones
作者:Siddheshwar K. Bankar、Jopaul Mathew、S. S. V. Ramasastry
DOI:10.1039/c6cc01016d
日期:——
An unusual and facile approach for the synthesis of 2-benzofuranyl-3-hydroxyacetones from 6-acetoxy-[small beta]-pyrones and phenols is presented.
The Stereoselective Dimerization Reaction of Oxidopyrylium Ions
作者:Hee-Yoon Lee、Hyoun Kim、Byung Kim、Jung Kee
DOI:10.1055/s-2007-983770
日期:2007.7
The dimerization reaction of oxidopyrylium ions produces doubly bridged eight-membered carbocyclic rings stereoselectively according to the substitution pattern around the pyrylium ring.