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Your search keyword '"Yoshio Otsuji"' showing total 7 results
Start Over Author "Yoshio Otsuji" Journal journal of the chemical society, chemical communications
7 results on '"Yoshio Otsuji"'

1. A novel photoalkylation of electron-deficient alkenes by use of organotin compounds via photoinduced electron transfer

Author

Kazuhiko Mizuno, Atsushi Tachibana, Yoshio Otsuji, and Kazuhisa Nakanishi

Subjects
chemistry.chemical_compound, Electron transfer, Chemistry, Molecular Medicine, Regioselectivity, Propionitrile, Irradiation, Phenanthrene, Alkylation, Aliphatic compound, Photochemistry, Photoinduced electron transfer
Abstract

Irradiation of 1-aryl-2,2-dicyanoethenes and tetraalkylstannanes in propionitrile in the presence of phenanthrene afforded regioselectively 1-alkyl-1-aryl-2,2-dicyanoethanes in good yields.

Published
1991

2. Regioselective photo-oxygenation of 2-aryl-4,5,6,7-tetrahydroindoles: preparation and reactions of 2-aryl-7a-hydroperoxy-4,5,6,7,7a-pentahydroindolenines

Author

Saburo Nakanishi, Kazuhiko Mizuno, Nobuhiko Ohmura, and Yoshio Otsuji

Subjects
chemistry.chemical_compound, Chemistry, Aryl, Molecular Medicine, Regioselectivity, Organic chemistry, Oxygenation
Abstract

Dye-sensitized photo-oxygenation of 2-aryl-4,5,6,7-tetrahydroindoles quantitatively afforded 2-aryl-7a-hydroperoxy-4,5,6,7,7a-pentahydroindolenines, which were converted into the corresponding hydroxy-indolenines and spiro-γ-lactams in excellent yields.

Published
1983

4. Addition of furans to electron-rich olefins through photo-induced electron-transfer in the presence of electron acceptors

Author

Kazuhiko Mizuno, R. Kaji, Yoshio Otsuji, and Hiroshi Okada

Subjects
chemistry.chemical_classification, chemistry.chemical_compound, Electron transfer, chemistry, Furan, Molecular Medicine, Electron, Indene, Electron acceptor, Photochemistry
Abstract

Photoaddition of furan and 2-methylfuran to aromatic olefins such as indene and 1,1-diphenyl-ethylene in the presence of 1-cyanonaphthalene or 1,4-dicyanonaphthalene gives (4 + 2) cycloadducts and/or alkyl-substituted furan derivatives.

Published
1978

5. Synthesis of cyclobutanocrown ethers by intramolecular photocycloaddition

Author

Yoshio Otsuji, Tetsuya Hashizume, and Kazuhiko Mizuno

Subjects
chemistry.chemical_compound, chemistry, Intramolecular reaction, Bicyclic molecule, Intramolecular force, Molecular Medicine, Organic chemistry, Ether, Benzene, Medicinal chemistry, Cycloaddition
Abstract

Irradiation of divinyloxy compounds {CH2CHOCH2[CH2OCH2]NCH2OCHCH2; n= 1–4} in the presence of 1,4-dicyanonaphthalene in benzene gave cis- and trans-cyclobutanocrown ethers in good yields.

Published
1983

6. Novel photoreactions of styrylcyclopropanes via photo-induced electron transfer

Author

Katsutoshi Yoshioka, Kazuhiko Mizuno, and Yoshio Otsuji

Subjects
chemistry.chemical_classification, Electron transfer, Reaction mechanism, chemistry.chemical_compound, Ketone, Hydrocarbon, Chemistry, Group (periodic table), Molecular Medicine, Methanol, Photochemistry
Abstract

9,10-Dicyanoathracene-sensitized photoreaction of styrylcyclopropanes in the presence of Cu(BF4)2 in MeCN–MeOH gives α-cyclopropyl nenzyl ketones as major products, which are produced via a two-electron oxidation of styrylcyclopropanes followed by a 1,2-migration of the cyclopropyl group.

Published
1984

7. Photocyclodimerization of alkyl, benzyl, and trimethylsilyl vinyl ethers in the presence of 1,4-dicyanonaphthalene

Author

Yoshio Otsuji, Kazuhiko Mizuno, and Tetsuya Hashizume

Subjects
chemistry.chemical_classification, chemistry.chemical_compound, chemistry, Trimethylsilyl, organic chemicals, Molecular Medicine, Organic chemistry, Benzene, Medicinal chemistry, Alkyl
Abstract

Irradiation of alkyl, benzyl, and trimethylsilyl vinyl ethers in the presence of 1,4-dicyanonaphthalene in benzene affords trans- and cis-head-to-head cyclodimers in a 1:1 ratio.

Published
1983

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