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2005
Polyphenyl derivatives
Q 0700
Proximity Effects in the Palladium-Catalyzed Substitution of Aryl Fluorides. —
approach includes the first report concerning a Pd-catalyzed coupling reaction of
32- 104 The
a fluorobenzene lacking the o-nitro group [cf. (Ic)]. Substrates with an o-carboxyl and
electron-withdrawing substituents in the para position, similar to 2-fluoronitrobenzene,
are activated toward Stille and Suzuki couplings. Fluorides (IX), (XI) and (XIII) are
ineffective in both coupling reactions. — (BAHMANYAR*, S.; BORER, B. C.; KIM,
Y. M.; KURTZ, D. M.; YU*, S.; Org. Lett. 7 (2005) 6, 1011-1014; Chem. Res. Dev.,
Pfizer Global Res. Dev., San Diego, CA 92121, USA; Eng.) — R. Steudel
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