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oai:null:10339/361602026-09-16T09:45:54Zcom_10339_14934col_10339_38132

Pidaparthi, Ramakrishna Reddy 2011-09-08T08:36:03Z 2012-09-08T08:30:06Z 2011 https://wakespace.lib.wfu.edu/handle/10339/36160 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. en Wake Forest University cross coupling Diels-Alder diene Higher-Order silicon transition metal 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 Dissertation Welker, Mark E Muday, Gloria K Bierbach, Ulrich Colyer, Christa L Jones, Paul B Chemistry 2012-09-08 open.access