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TRANSITION METAL MEDIATED, STEREOSELECTIVE HIGHER-ORDER [6+4] AND DIELS-ALDER [4+2] CYCLOADDITION REACTIONS: SYNTHESIS OF NOVEL 2-SILYL SUBSTITUTED-1,3-DIENYL COMPOUNDS AND THEIR DOMINO REACTIONS

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title
TRANSITION METAL MEDIATED, STEREOSELECTIVE HIGHER-ORDER [6+4] AND DIELS-ALDER [4+2] CYCLOADDITION REACTIONS: SYNTHESIS OF NOVEL 2-SILYL SUBSTITUTED-1,3-DIENYL COMPOUNDS AND THEIR DOMINO REACTIONS
author
Pidaparthi, Ramakrishna Reddy
abstract
We have prepared various substituted cobaloxime dienes and studied extensively their reactivities in Diels-Alder reactions. Based on the studies with cobaloxime chemistry, we concluded that increased exo selectivities were possible with the insertion of the transition metals in the 2-position of the diene moiety. In the first part of this study, we will describe the higher-order [6+4] and Diels-Alder [4+2] reactions of the cobaloxime dienes with various tropones. The reaction pathway [6+4 vs 4+2] largely depends on the substituents on the tropone moiety where as the stero and regioselectivity is determined only by the cobaloxime.
subject
cross coupling
Diels-Alder
diene
Higher-Order
silicon
transition metal
contributor
Welker, Mark E (committee chair)
Muday, Gloria K (committee member)
Bierbach, Ulrich (committee member)
Colyer, Christa L (committee member)
Jones, Paul B (committee member)
date
2011-09-08T08:36:03Z (accessioned)
2012-09-08T08:30:06Z (available)
2011 (issued)
degree
Chemistry (discipline)
embargo
2012-09-08 (terms)
identifier
http://hdl.handle.net/10339/36160 (uri)
language
en (iso)
publisher
Wake Forest University
type
Dissertation

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