Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Michihide Yamauchi"'
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Chemistry of Dienyl Anions. I. Crystalline Dienyl Anions by Direct Reaction of Conjugated and Non-conjugated Dienes with Alkali Metals in the Presence of Et3N
Autor: Hisaya Tani, Hajime Yasuda, Yasuo Ohnuma, Michihide Yamauchi, Akira Nakamura
Publikováno v: Bulletin of the Chemical Society of Japan. 52:2036-2045
Series of acyclic and cyclic dienyl anions were prepared from both conjugated and non-conjugated dienes by direct metalation with alkali metals (Li, Na, K, Rb, and Cs) in tetrahydrofuran in the pre...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea98e71267060f2d79cee8bf3ea9fd41
https://doi.org/10.1246/bcsj.52.2036
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4
Chemistry of Dienyl Anions. IV. Geometry of Pentadienyl Anions in Solution and in the Solid State Determined by Regioselective Trimethylsilylation and NMR
Autor: Michihide Yamauchi, Hajime Yasuda, Akira Nakamura, Yasuo Ohnuma
Publikováno v: Bulletin of the Chemical Society of Japan. 54:1481-1491
The configurational analysis of a series of alkyl substituted pentadienyl anions in THF was examined by trimethylsilylation and from the variable temperature 1H- and 13C-NMR spectra. Potassium pentadienide, -2-methylpentadienide or -2,4-dimethylpenta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbb3a2bd620e1a56ba3fcae7c670e966
https://doi.org/10.1246/bcsj.54.1481
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7
Chemistry of Dienyl Anions. II. Crystalline Bis(dienyl)magnesium. Selective Dienylation and Structure in Solution and in the Solid State
Autor: Michihide Yamauchi, Nobutami Kasai, Tsuyoshi Sei, Yasushi Kai, Noritake Yasuoka, Akira Nakamura, Hajime Yasuda
Publikováno v: Bulletin of the Chemical Society of Japan. 53:1089-1100
Seven different crystalline bis(dienyl)magnesium·TMEDA complexes of open chain or cyclic structure were prepared by metal exchange reaction of corresponding potassium dienides. They are fluxional in solution due to the rapid 1,3-rearrangement. Termi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ebbc1abe3e607e61357c48655b759f9d
https://doi.org/10.1246/bcsj.53.1089
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8
Facile control of preferred geometry of pentadienyl-potassium by changing the medium: 'U'-shaped in solution and 'W'-shaped in the solid state
Autor: Hajime Yasuda, Michihide Yamauchi, Akira Nakamura
Publikováno v: Journal of Organometallic Chemistry. 202:C1-C5
The structure of pentadienylpotassium in THF was determined to be the U-shaped by chemical trapping with chlorotrimethylsilane and from the 1H NMR spectrum. The results of trimethylsilylation of pentadienylpotassium in the solid state indicate that i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc780b850837269d50e5eb2a13595ce2
https://doi.org/10.1016/s0022-328x(00)81389-3
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9
Magnetic head comprised of an improved base substance for high density magnetic recording
Autor: Michihide Yamauchi, Nobuyuki Kishine, Tetsuya Imamura, Tsuyoshi Ootani
Publikováno v: The Journal of the Acoustical Society of America. 82:2172-2172
A magnetic head is disclosed in which a non-magnetic base substance which supports a writing or reading converter for writing or reading on a magnetic recording medium is constructed with an aggregate of carbon material, or a composite material compr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1528e51cca9dc2eb2cf80dbbd162ea56
https://doi.org/10.1121/1.395582
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