Hokko Chemical Industry Co., Ltd.

Daihatsu Motor Company, Ltd.

Nitto-denko Corporation

Cataler Corporation

Cambridge University Technical Services Limited

Kimiyoshi Kaneko

Hirohisa Tanaka

Hiromichi Ishikawa

Satoru Moriyama

Tsugio Uchiyama

Senshu Mitachi

Keiichi Narita

Mareo Kimura

Isao Tan

Mari Uenishi

Hiroshi Ohyama

Masashi Taniguchi

Takuo Wada

Steven Victor Ley

Ken Morita

Noboru Sato

Nobuhiko Kajita

Masahiko Miyahara

Sanae Takada

Takashi Kobayashi

Kazuhiko Kitaori

Martin D Smith

Yoshiharu Ozaki

Sophie Lohmann

Masazumi Arakawa

Steven P Andrews

J Paul Attfield

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 m/g is used in Suzuki Cross-Couplings given by the following general scheme (14). 

Synthesis reaction catalyst and method of synthesizing compound using the same

To provide a perovskite-type composite oxide which has stable quality in which a solid solution of Pd is formed at a high rate, a method for producing the perovskite-type composite oxide, and a catalyst composition containing the perovskite-type composite oxide, the perovskite-type composite oxide is produced by formulating materials in accordance with each atomic ratio of a perovskite-type composite oxide represented by the following general formula (1):ABPdO&#x2003;&#x2003;(1)wherein A represents at least one element selected from rare earth elements and alkaline earth metals; B represents at least one element selected from transition elements (excluding rare earth elements, and Pd), Al and Si; x represents an atomic ratio satisfying the following condition: 1&#x3c;x; y represents an atomic ratio satisfying the following condition: 0&#x3c;y&#x2266;0.5; and &#x3b4; represents an oxygen excess.

Perovskite-type composite oxide, catalyst composition and method for producing perovskite-type composite oxide

In order to provide a method of synthesizing a compound in which activity of a catalyst is maintained even when the catalyst is recovered after the completion of the coupling reaction using a palladium-containing perovskite-type composite oxide as the catalyst and used repeatedly and the reaction can be carried out in a high yield, a palladium-containing perovskite-type composite oxide is used as a synthesis reaction catalyst and a reaction solvent containing an alkoxy alcohol is used as a reaction solvent in Suzuki Cross-Couplings given by the following general formula (15). 

Method of synthesizing compound

To provide a catalyst for synthesis reaction which can achieve good yield in the Sonogashira reaction and also can be recovered after the reaction, and a method for synthesizing a compound in which the catalyst for synthesis reaction is used, a perovskite-type composite oxide containing palladium is used as the catalyst for synthesis reaction in the Sonogashira reaction represented by the following reaction scheme (1):R&#x2014;X+HC&#x2261;CR&#x2192;RC&#x2261;CR&#x2003;&#x2003;(1)

Method for synthesizing compound and catalyst for synthesis reaction

Methods of producing a safe and hygienic method for industrially and efficiently producing a perovskite-type composite oxide are provided that can maintain the catalytic activity of a noble metal at a high level. Methods include preparing a precursor of the perovskite-type composite oxide by mixing organometal salts of elementary components of the perovskite-type composite oxide and heat treating the precursor. The precursor may be prepared by mixing all elementary components constituting the perovskite-type composite oxide, or by mixing one or more organometal salts of part of the elementary components with the other elementary components prepared as alkoxides, a coprecipitate of salts, or a citrate complex of the respective elements.

Method for producing perovskite-type composite oxide

An exhaust gas purifying catalyst capable of exhibiting excellent catalytic purifying activity in long term use under high temperatures exceeding 900.degree. C., the exhaust gas purifying catalyst comprising a heat-resistant oxide which is expressed by the following general formula:

Exhaust gas purifying catalyst

Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as herein defined useful as insecticides, is described.

Insecticidal benzoyl hydrazone derivatives

A new improved process of producing a rare earth metal alkoxide is now provided, which comprises reacting a rare earth metal carboxylate with an alkali metal alkoxide in an inert organic solvent under anhydrous conditions, and which can be conducted in a facile way and give the desired rare earth metal alkoxide of a high purity in a high yield.

Process for the production of a rare earth metal alkoxide

New organophosphoric acid ester anhydride derivatives, more particularly new thiopyrophosphoric acid P,P,P'-trialkylester-P'-dialkylamide of the formula ##STR1## wherein R.sub.1 is an alkyl group of 3 to 6 carbon atoms and R.sub.2, R.sub.3 and R.sub.4 may be the same or different from each other and each are an alkyl group of 1 to 6 carbon atoms are now provided. These new organophosphoric acid ester anhydride derivatives have high insecticidal, miticidal and nematocidal activities and are useful as an insecticidal, miticidal and nematocidal agent.

Organophosphoric acid ester anhydrides as pesticides

Certain new 5,6,7-trichlorobenzoxazolone derivatives are highly active against a wide range of plant fungal and bacterial diseases and have a reduced phytotoxicity. These derivatives are also useful to control the growth of various fungi and bacteria being capable of deteriorating industrial materials.

Benzoxazolone derivatives, processes for preparation thereof and

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Kanagawa, Japan

Kimiyoshi Kaneko