Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 130, Issue 7, Pages 2150-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja0782798
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- NIGMS NIH HHS [GM073836] Funding Source: Medline
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This communication describes the development of two Pd-catalyzed reactions for the arylchlorination of diverse alpha-olefins by oxidatively intercepting Heck intermediates. Depending on the nature of the oxidant and the reaction conditions, these transformations can afford synthetically useful 1,1- or 1,2-arylchlorinated products in good yields and with good to excellent selectivities. Preliminary mechanistic investigations show that the selectivity of these reactions can be rationally tuned (i) by controlling the relative rates of oxidative functionalization versus beta-hydride elimination from equilibrating Pd-II-alkyl species and (ii) by pi-benzyl stabilization of Pd intermediates.
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