About: A Stereoselective Intramolecular 1,3-Dipolar NitroneCycloaddition for the Synthesis of Substituted Chromanes

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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/acs/periodical/joceah/2002/volume_67/issue_10/w
Subject	Article
Title	A Stereoselective Intramolecular 1,3-Dipolar NitroneCycloaddition for the Synthesis of Substituted Chromanes
has manifestation of work	http://hub.abes.fr/acs/periodical/joceah/2002/volume_67/issue_10/101021jo011015y/m/web http://hub.abes.fr/acs/periodical/joceah/2002/volume_67/issue_10/101021jo011015y/m/print
related by	http://hub.abes.fr/acs/periodical/joceah/2002/volume_67/issue_10/101021jo011015y/authorship/3 http://hub.abes.fr/acs/periodical/joceah/2002/volume_67/issue_10/101021jo011015y/authorship/2 http://hub.abes.fr/acs/periodical/joceah/2002/volume_67/issue_10/101021jo011015y/authorship/1
Author	Zhao Qian Han Fusen Romero Donna L.
Abstract	A stereoselective intramolecular 1,3-dipolar nitrone cycloaddition useful in the synthesis ofchromanes is described. The reaction relies on the use of a chiral auxiliary on the nitrone partner.Key to the success of the reaction is the choice of auxiliary and the choice of Lewis acid catalyst.Utilizing an auxiliary with a pendant coordinating group, and Zn(OTf)2 as the Lewis acid,diastereoselectivities up to 22:1 could be achieved.
article type	research-article
is part of this journal	The Journal of Organic Chemistry

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