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200517.fm Page 93 Friday, March 18, 2005 2:52 PM
2005
Nitriles
Q 0520
17- 089
Improving Palladium-Catalyzed Cyanation of Aryl Halides: Development of a
State-of-the-Art Methodology Using Potassium Hexacyanoferrate(II) as Cyanating Agent. — Both activated and deactivated aryl and heteroaryl bromides and activated chlorides are cyanated to give the corresponding nitriles by use of the nontoxic and
cheap hexacyanoferrate as cyanide source and Pd(OAc)2 as catalyst. It is not necessary
to add expensive phosphines as ligands. — (SCHAREINA, T.; ZAPF, A.; BELLER*,
M.; J. Organomet. Chem. 689 (2004) 24, 4576-4583; Leibniz-Inst. Org. Katal., Univ.
Rostock, D-18055 Rostock, Germany; Eng.) — Klein
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