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Sulfoxide‐Based Enantioselective Nazarov Cyclization: Divergent Syntheses of (+)‐Isopaucifloral F, (+)‐Quadrangularin A, and (+)‐Pallidol
Author(s) -
Tang MeiLin,
Peng Peng,
Liu ZhengYu,
Zhang Jian,
Yu JianMing,
Sun Xun
Publication year - 2016
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201603664
Subject(s) - sulfoxide , enantioselective synthesis , knoevenagel condensation , chemistry , organic chemistry , divergent synthesis , condensation , catalysis , physics , thermodynamics
The synthesis of enantiomerically pure 3‐aryl substituted indanones is developed using an enantioselective sulfoxide‐based Knoevenagel condensation/Nazarov cyclization procedure. After the reductive desulfonation of the methyl para ‐tolyl sulfoxide‐containing chiral auxiliary under mild conditions, selected enantiomerically pure indanone is used for the divergent total syntheses of three resveratrol natural products (+)‐isopaucifloral F, (+)‐quadrangularin A, and (+)‐pallidol.