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Asymmetric Hetero-Diels-Alder Reactions of Danishefsky's and Brassard's Dienes with Aldehydes

Content Provider	Scilit
Author	Feng, Xiao Ming Lin, Lili Liu, Xiaohua
Copyright Year	2007
Description	The asymmetric hetero-Diels-Alder reactions of three Danishefsky"s dienes and two Brassard"s dienes with aldehydes that have been performed in our group are presented. (R)-1,1¢-Bi-2-naphthol [(R)-BINOL] and its derivatives complexed with tetraisopropoxytitanium(IV) [Ti(Oi-Pr)_{4}$] were efficient catalytic systems for the reactions with Danishefsky"s dienes, proceeding via a Mukaiyama aldol pathway. Meanwhile, tridentate Schiff base ligands complexed with Ti(Oi-Pr)_{4}$ or copper(II) triflate $[Cu(OTf)_{2}$] were efficient for the reactions of Brassard’s dienes, following the Diels-Alder pathway. 1 Introduction 2 Asymmetric Hetero-Diels-Alder Reactions of Danishefsky"s and Danishefsky-Type Dienes 2.1 Asymmetric Hetero-Diels-Alder Reactions of Danishefsky"s Diene 2.2 Asymmetric Hetero-Diels-Alder Reactions of a Danishefsky-Type Diene To Give 2,6-Disubstituted Dihydropyrones 2.3 Asymmetric Hetero-Diels-Alder Reactions of a Danishefsky-Type Diene To Give 2,5-Disubstituted Dihydropyrones 3 Asymmetric Hetero-Diels-Alder Reactions of Brassard"s and Brassard-Type Dienes 3.1 Asymmetric Hetero-Diels-Alder Reactions of Brassard"s Diene 3.2 Asymmetric Hetero-Diels-Alder Reactions of a Brassard-Type Diene 4 Summary and Perspectives
Related Links	http://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-2007-984917.pdf
Ending Page	2157
Page Count	11
Starting Page	2147
ISSN	09365214
e-ISSN	14372096
DOI	10.1055/s-2007-984917
Journal	Synlett
Issue Number	14
Volume Number	2007
Language	English
Publisher	Georg Thieme Verlag KG
Publisher Date	2007-07-20
Access Restriction	Open
Subject Keyword	Inorganic Chemistry Organic Chemistry Asymmetric Catalysis Diels-alder Reactions
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry

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