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Nippon Kagaku Kaishi | 1989

Hydrocracking of Khafji asphaltene with cobalt phtalocyanine catalyst.

Keiichi Sakamoto; Jun Sonobef; Fumihiko Shimizu; Fukumatsu Shibamiya

機能物質として知られるフタロシアニン(PC)型化合物塗用いる工業触媒開発の基礎的研究として,コバルトフタロシアニン(Co-PC)を触媒として,オートクレーブ中380℃ にてカフジアスファルテンの分解反応を行なった。その結果,水素雰囲気下において,液状物質はCo-PC触媒使用時には無触ミとさ媒時の約4倍である15%が生成した。固形状物質のBS-HS成分,BS-HI成分およびBI-TS成分,は触媒の有無による差が少ないが,BI-TI成分の生成は無触媒時の1/2に抑えられている。そしてCo-PC触媒の有無に,よる反応生成物の平均構造の違いは,液状物質の生成量に関連しており,Co-PC触媒使用時にはBI-TS成分の分解が示唆される。ここでCo-PCは水素化触媒として作用し,それ自体還元されることなどで多量の水素を一時的に保有して,アスファルテンに水素を供与するサイクルを形成すると推定できる。


Journal of Synthetic Organic Chemistry Japan | 1964

Studies on Benzonaphthenone Derivatives. III

Masao Yokote; Fukumatsu Shibamiya; Katsunobu Miki; Makoto Komatsu

Fusion of benzonaphthenone in methanol-potassium yielded a purple colored vat dye. The crude product was separated into methanol-soluble portion, chlorobenzene soluble portion, ο-dichlorobenzene-soluble portion, and its insoluble portions, in which the chlorobenzene-soluble portion (yield 5-10%) is considered to be composed mainly of peropyrenequinone type compound. Synthesis of peropyrene was made by the fusion of benzonaphthenone with zinc dust and oxidation of this gave peropyrenequinone soluble in chlorobenzene. The properties of above dyes were investigated. By fusion of a mixture of benzonaphthenone and benzanthrone in methanol-potassium a product considered to be benznaphthenonylbenzanthrone was obtained and further ethanol-potassium fusion of this compound gave the purple dye, which was considered to be a cyclized condensation product of benzonaphthenone and benzanthrone.


Journal of Synthetic Organic Chemistry Japan | 1965

Aza-compound. XXIX

Masao Yokote; Fukumatsu Shibamiya; Hideo Hayakawa


Journal of Synthetic Organic Chemistry Japan | 1969

Nickel-Phthalocyanine-N-Isolog (Nickel-tetra-2, 3-Pyridinoporphyrazine and Nickel-tetra-3, 4-Pyridinoporphyrazine)

Masao Yokote; Fukumatsu Shibamiya; Haruhisa Yokomizo


Journal of Synthetic Organic Chemistry Japan | 1969

Cobalt-Phthalocyanine-N-Isolog (Cobalt-tetra-2, 3-Pyridinoporphyrazine and Cobalt-tetra-3, 4-Pyridinoporphyrazine)

Masao Yokote; Fukumatsu Shibamiya; Nosei Sakikubo


Nippon Kagaku Kaishi | 1964

Aza-compouds. XXVIII. On the Catalytic Effect of Co-Phtahlocyanine-N-isolog (Co-Tetra-2, 3-pyridinoporphyrazine) by the Oxidatio n of Mercaptans

Masao Yokote; Fukumatsu Shibamiya; Yoshio Adachi; Hajime Takeishi


Journal of the Japan Society of Colour Material | 1991

Studies on Phthalocyanine Type Compounds (Part VIII):Hydrogen treatment of Metal Phthalocyanines and Their XPS Spectra

Keiichi Sakamoto; Fukumatsu Shibamiya


Journal of the Japan Society of Colour Material | 1991

Studies on Phthalocyanine Type Compounds (Part X): Stability of Iron Phthalocyanine under Hydrogen Atmosphere

Keiichi Sakamoto; Yoshinari Koyama; Fukumatsu Shibamiya


Nippon Kagaku Kaishi | 1990

Hydrocracking of asphaltene with cobalt phthalocyanine type catalysts.

Keiichi Sakamoto; Jun Sonobe; Fukumatsu Shibamiya


Nippon Kagaku Kaishi | 1959

Non-crystallizing Property of Cu-Phthalocyanine N-Isologue.

Masao Yokote; Fukumatsu Shibamiya

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Keiichi Sakamoto

College of Industrial Technology

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Jun Sonobe

College of Industrial Technology

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