Catalytic antibodies that control the reaction pathways of the Diels-Alder cycloaddition have been generated. One antibody catalyzes the favored endo and the other the disfavored exo pathway to yield the respective cis and trans adducts in enantiomerically pure form. A comparison of the x-ray structure of the hapten with the calculated geometry of the transition structure showed that [2.2.2] bicyclic compounds are excellent mimics of the transition state of the Diels-Alder reaction. To achiev...Expand abstract
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Control of the exo and endo pathways of the Diels-Alder reaction by antibody catalysis.
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