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2005
Sulfones
Q 0600
07- 078
Palladium-Catalyzed Arylation of Sulfones. — An effective procedure for the
monoarylation of sulfones containing acidic α-protons (I), (VIII) is developed. A wide
variety of aryl halides can be applied to this reaction, but only sulfones with strong
CH-acidity are arylated. Additionally, it is presented the first example of α-vinylation
of a sulfone [cf. (Vc)]. The reaction mechanism is discussed and the deprotonation of
intermediate ArPdL2CHXY is identified as the key stage which activates the reductive
elimination stage. — (MITIN, A. V.; KASHIN, A. N.; BELETSKAYA, I. P.; Russ. J.
Org. Chem. 40 (2004) 6, 802-812; Dep. Chem., Lomonosov Moscow State Univ.,
Moscow 119992, Russia; Eng.) — Mischke
2005
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