Synthesis reaction catalyst and method of synthesizing...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

Reexamination Certificate

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C556S136000, C556S007000, C554S220000

Reexamination Certificate

active

08008526

ABSTRACT:
To improve a catalytic activity of a composite oxide, to carry out a reaction in a high yield, and to provide a synthesis reaction catalyst having excellent handling properties and a method of a synthesizing a compound using the same, a synthesis reaction catalyst containing a palladium-containing perovskite-type composite oxide having a specific surface area of 0.5 to 9.5 m2/g is used in Suzuki Cross-Couplings given by the following general scheme (14).

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patent: WO 2005/090238 (2005-09-01), None
Takatoshi Ito et al., “Palladium-Catalyzed Cross-Coupling Reaction of Potassium Diaryldifluoroborates with Aryl Halides,” Synlett, 2003, pp. 1435-1438, No. 10, Georg Thieme Chemistry, New York.
Olivier Baudoin et al., “Application of the Palladium-Catalyzed Borylation/Suzuki Coupling (BSC) Reaction to the Synthesis of Biologically Active Biaryl Lactams,” Journal of Organic Chemistry, 2002, pp. 1199-1207, vol. 67, ACS Publications.
Stephen P. Andrews et al., “Heterogeneous or Homogeneous? A Case Study Involving Palladium-Containing Perovskites in the Suzuki Reaction,” Advanced Synthesis & Catalysis, 2005, pp. 647-654, vol. 347, Wiley, Weinheim.
Isao Tan et al., “Structural Stability of Pd-Perovskite Catalysts after Heat Treatment Under Redox Condition,” Journal of the Ceramic Society of Japan, 2005, pp. 71-76, vol. 113, Japan.
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Martin D. Smith et al., Palladium-containing perovskites: recoverable and reuseable catalysts for Suzuki couplings, Chem. Comm., 2003, No. 21, UK.
Y. Nishihata et al., Self-regeneration of a Pd-perovskite catalyst for automotive emissions control, Nature, vol. 418, No. 6894, pp. 164-167, Jul. 2002, Japan.

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