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2004
C-C bond formation
O 0282
Dioxygen-Promoted Regioselective Oxidative Heck Arylations of Electron-Rich
with Arylboronic Acids. — In the presence of the phenanthroline PHE, elec48- 046 Olefins
tron-rich olefins are found to undergo oxidative Heck arylation with excellent α-selectivity. PHE not only controls the regioselective outcome of arylation but also facilitates
reoxidation of the catalyst with dioxygen. This novel and mild reaction can be applied
to a number of educts but the efficiency is dependent on the electronic nature of arylboronic acids. It can also be performed under microwave conditions. —
(ANDAPPAN, M. M. S.; NILSSON, P.; VON SCHENCK, H.; LARHED*, M.;
J. Org. Chem. 69 (2004) 16, 5212-5218; Dep. Org. Pharm. Chem., Biomed. Cent.,
Uppsala Univ., S-751 23 Uppsala, Swed.; Eng.) — Jannicke
2004
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