{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/84414"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/84414","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Catalytic, Enantioselective Cyclopropanation of Allylic Alcohols","abstract":"In mechanistic investigations, spectroscopic examinations and reaction surveys of substrate, reagent, and promoter were combined with solid-state evidence concerning the active form of the catalytically operative species to rationalize many of the observed features and trends of this system. Features illustrated to be critical for the best levels of stereocontrol were (1) formation of the ethylzinc alkoxide, (2) use of the Furukawa-Wittig reagent iodomethylzinc iodide, and (3) pretreatment of bis-sulfonamides such with diethylzinc. 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