About: Exo Selective Enantioselective Nitrone Cycloadditions

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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/acs/periodical/jacsat/2004/volume_126/issue_3/w
Subject	Communication
Title	Exo Selective Enantioselective Nitrone Cycloadditions
has manifestation of work	http://hub.abes.fr/acs/periodical/jacsat/2004/volume_126/issue_3/101021ja039087p/m/print http://hub.abes.fr/acs/periodical/jacsat/2004/volume_126/issue_3/101021ja039087p/m/web
related by	http://hub.abes.fr/acs/periodical/jacsat/2004/volume_126/issue_3/101021ja039087p/authorship/2 http://hub.abes.fr/acs/periodical/jacsat/2004/volume_126/issue_3/101021ja039087p/authorship/3 http://hub.abes.fr/acs/periodical/jacsat/2004/volume_126/issue_3/101021ja039087p/authorship/1
Author	Jasperse Craig P. Ma Zhihua hub:person/mail/714ec9d31a4a3240d5f197805edb9a45/e1a901c9e17b4e28fb3165c7a4d7e503
Abstract	We have developed a novel method for accessing exo adducts with high enantioselectivity in nitrone cycloadditions to enoates. Pyrazolidinones proved to be effective achiral templates in the cycloadditions, providing exo adducts typically in >15:1 selectivity and 90−98% ee. The use of Lewis acids that form square planar complexes, such as copper triflate, was important for obtaining high exo selectivity.
article type	rapid-communication
is part of this journal	Journal of the American Chemical Society

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