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2005
Polyphenyl derivatives
Q 0700
High-Intensity Ultrasound and Microwave, Alone or Combined, Promote
Aryl—Aryl Couplings. — Pd-catalyzed Suzuki-cross coupling re29- 100 Pd/C-Catalyzed
action, homo-coupling reaction of aryl boronic acids and Ullman-type Zn-mediated
homo-coupling reaction of aryl halides are investigated under high-intensity ultrasound
and microwave reactions conditions. Using a newly constructed reactor it is found that
Suzuki-type reaction and the Pd-catalyzed homo-coupling are significantly enhanced
by simultaneous sonication and microwave irradiation. — (CRAVOTTO*, G.;
BEGGIATO, M.; PENONI, A.; PALMISANO, G.; TOLLARI, S.; LEVEQUE, J.-M.;
BONRATH, W.; Tetrahedron Lett. 46 (2005) 13, 2267-2271; Dip. Sci. Tecnol. Farm,
Univ. Torino, I-10125 Torino, Italy; Eng.) — Mais
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