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2004
Ketones
Q 0350
48- 079
Palladium-Catalyzed Reactions of Arylboron Compounds with Carboxylic Acid
Chlorides. — The synthesis of unsymmetrical aromatic ketones (III) and (VI) is
achieved in high yields by reaction of acid chlorides (I) and (IV) with tetraarylborates
(II) and (V) under Pd catalysis. Reaction conditions are optimized, and the cross coupling reaction is shown to proceed readily in aqueous medium. Similarly, Pd-catalyzed
coupling of acid chloride (I) with arylboronic acids (VII) proceeds smoothly in aqueous
solution. The reaction can also be carried out under anhydrous conditions, although best
results are achieved with Bu3N as base in this case. — (KOROLEV, D. N.;
BUMAGIN*, N. A.; Russ. Chem. Bull. 53 (2004) 2, 364-369; Dep. Chem.,
Lomonosov Moscow State Univ., Moscow 119992, Russia; Eng.) — Mischke
2004
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