Zobrazeno 1 - 10 of 21 pro vyhledávání: '"Hiroyuki Miyano"'
2
Umpolung of Tropone: Preparation of 2-Aroyl- and 2-Acyltropones
Autor: Hiroyuki Miyano, Tohru Takayasu, Makoto Nitta, Hiroshi Horikoshi
Publikováno v: Synthetic Communications. 29:4367-4373
The reaction of 2-chlorotropone with DIBAH followed by aldolization with several aldehydes affords 2-(1-hydroxyalkyl)tropones, subsequent oxidation of which results in the formation of 2-aroyl- and 2-acyltropones.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f358a427a947b3821b429e92822f63b0
https://doi.org/10.1080/00397919908086599
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4
ChemInform Abstract: Umpolung of Tropone: Preparation of 2-Aroyl- and 2-Acyltropones
Autor: Hiroyuki Miyano, Hiroshi Horikoshi, Makoto Nitta, Tohru Takayasu
Publikováno v: ChemInform. 31
The reaction of 2-chlorotropone with DIBAH followed by aldolization with several aldehydes affords 2-(1-hydroxyalkyl)tropones, subsequent oxidation of which results in the formation of 2-aroyl- and 2-acyltropones.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51ec0ffc8d0dd25e762e6518113b6bf8
https://doi.org/10.1002/chin.200014076
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5
Development of a Hybrid CuBe/NiCrAl Clamp-Type High Pressure Cell for Neutron Diffraction
Autor: Tetsuya Fujiwara, Hideki Yoshizawa, Hiroyuki Miyano, Naofumi Aso, Yoshiya Uwatoko
Publikováno v: Journal of the Physical Society of Japan. 76:228-229
A small hybrid CuBe/NiCrAl piston–cylinder-type high-pressure (HP) clamp cell was designed for low-temperature (LT) neutron diffraction (ND) measurements, and its characteristics was evaluated through various parameters which include cooling perfor
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f5515e165d790db9dd508f3c20a8609
https://doi.org/10.1143/jpsjs.76sa.228
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6
ChemInform Abstract: Substituent Effects on the Acid-Catalyzed Isomerization of 2-Cyclohepta-2,4,6-trienyltropone Derivatives to 2-Benzyltropones
Autor: Makoto Nitta, Hiroyuki Miyano
Publikováno v: ChemInform. 21
The acid-catalyzed isomerization of the cycloheptatriene ring of 2-cyclohepta-2,4,6-trienyltropones to give benzyltropones via the norcaradiene intermediate has been studied. In the cases of 7-substituted 2-cyclohepta-2,4,6-trienyltropones (1a–f),
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c926cb4aa1cd0fb054e493f458a11570
https://doi.org/10.1002/chin.199031123
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7
ChemInform Abstract: Umpolung of Tropone: The Reaction of 2-Halogenocycloheptadienone Enolates with Tropylium Cations and Several Other Cationic Electrophiles. Preparation of Novel 2-Substituted and 2,7-Disubstituted Tropones
Autor: Hiroyuki Miyano, Makoto Nitta
Publikováno v: ChemInform. 21
The reactions of 2-halogenotropones (3a–c) with hydride reagents giving 2-halogenocycloheptadienone enolates (4a–c) have been studied to provide a reverse polarity (umpolung) of tropone. The structures of 2-chlorocycloheptadienone enolate (4a) an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22c3100f294148b74614551150a6bc40
https://doi.org/10.1002/chin.199031122
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8
Umpolung of tropone: the reaction of 2-halogenocycloheptadienone enolates with tropylium cations and several other cationic electrophiles. Preparation of novel 2-substituted and 2,7-disubstituted tropones
Autor: Hiroyuki Miyano, Makoto Nitta
Publikováno v: Journal of the Chemical Society, Perkin Transactions 1. :839
The reactions of 2-halogenotropones (3a–c) with hydride reagents giving 2-halogenocycloheptadienone enolates (4a–c) have been studied to provide a reverse polarity (umpolung) of tropone. The structures of 2-chlorocycloheptadienone enolate (4a) an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9da3ea8ca92b9ebe97926620db931bd
https://doi.org/10.1039/p19900000839
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9
The Synthesis and Properties of Three Isomers of 1-Troponyl-1H-1,2-diazepine
Autor: Hiroyuki Miyano, Makoto Nitta
Publikováno v: Chemistry Letters. 16:401-404
The substitution reaction of 2-halotropones or 2-tosyloxytropone with tricarbonyl(4-7-η-1H-1,2-diazepine)iron afforded three isomers of tricarbonyl(4-7-η-1-troponyl-1H-1,2-diazepine)iron in good combined yield: three complexes were decomplexed to n
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c886dc7d99bd11fc1ff01ce6f0b5c010
https://doi.org/10.1246/cl.1987.401
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10
On the reactivity of tricarbonyl(1–4-η-cyclohepta-1,3,5-triene)iron derivatives: C–C bond formation of tricarbonyl(cycloheptatrienide)irons with 2-chlorotropone
Autor: Hiroyuki Miyano, Masaki Nishimura, Makoto Nitta
Publikováno v: J. Chem. Soc., Perkin Trans. 1. :1019-1024
Tricarbonyl(1–4-η-cyclohepta-1,3,5-triene)iron derivatives [(RC7H7)Fe(CO)3](R = H, OMe, CN, and Ph)(4a–d) have been prepared and a study made of the nucleophilic attack of 2-chlorotropone by their corresponding anions. The tricarbonyl(cyclohepta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c4c3231bc4a8e4bc5d2f3932c60fc27
https://doi.org/10.1039/p19890001019
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