Zobrazeno 1 - 10 of 94 pro vyhledávání: '"Michinori Sumimoto"'
1
Akademický článek
Theoretical Study of the Reaction Mechanism of Phenol–Epoxy Ring-Opening Reaction Using a Latent Hardening Accelerator and a Reactivity Evaluation by Substituents
Autor: Ryusuke Mitani, Hidetoshi Yamamoto, Michinori Sumimoto
Publikováno v: Molecules, Vol 28, Iss 2, p 694 (2023)
The mechanism of the phenol–epoxide ring-opening reaction using tetraphenylphosphonium-tetraphenylborate (TPP-K) was investigated using the density functional theory (DFT) method. The reaction was initiated by breaking the P-B bond of TPP-K. The ge
Externí odkaz: https://doaj.org/article/300dca5d3d8d432cbe8dbdfe5e63a281
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2
Akademický článek
Towards the Development of Synthetic Routes Using Theoretical Calculations: An Application of In Silico Screening to 2,6-Dimethylchroman-4-one
Autor: Hidetoshi Yamamoto, Michinori Sumimoto, Takaaki Kuroda, Kenji Hori, Hirotaka Sadatomi, Atsuo Miyamoto
Publikováno v: Molecules, Vol 15, Iss 11, Pp 8289-8304 (2010)
This study describes an attempt to develop a synthetic route using theoretical calculations, i.e., in silico synthesis route development. The KOSP program created four potential synthetic routes for generating 2,6-dimethylchroman-4-one. In silico scr
Externí odkaz: https://doaj.org/article/e7ca4912f30e44d8a62ef716bb997953
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7
Chemistry of Tertiary Carbon Center in the Formation of Congested C−O Ether Bonds
Autor: Eiji Shirakawa, Hazuki Kaizawa, Yusuke Shimoharai, Toshiki Nokami, Manabu Abe, Goki Hirata, Kentarou Takeuchi, Michinori Sumimoto, Takashi Nishikata, Takashi Koike
Publikováno v: Angewandte Chemie International Edition. 60:4329-4334
Nucleophilic substitutions, including SN 1 and SN 2, are classical and reliable reactions, but a serious drawback is their intolerance for both bulky nucleophiles and chiral tertiary alkyl electrophiles for the synthesis of a chiral quaternary carbon
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::585aca36c0f61404b1b082302891a174
https://doi.org/10.1002/anie.202010697
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8
Total Syntheses of (−)‐Strictosidine and Related Indole Alkaloid Glycosides
Autor: Jukiya Sakamoto, Yuhei Umeda, Hayato Ishikawa, Kenta Rakumitsu, Michinori Sumimoto
Publikováno v: Angewandte Chemie. 132:13516-13524
A collective synthesis of glycosylated monoterpenoid indole alkaloids is reported. A highly diastereoselective Pictet-Spengler reaction with α-cyanotryptamine and secologanin tetraacetate as substrates, followed by a reductive decyanation reaction,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b171f6d2eb02701ec1b91d3c96aa0897
https://doi.org/10.1002/ange.202005748
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10
2‐Sulfanylhydroquinone Dimer as a Switchable Fluorescent Dye
Autor: Haruka Umemoto, Sanshiro Sakamoto, Akio Kamimura, Michinori Sumimoto, Takuji Kawamoto
Publikováno v: Chemistry – A European Journal. 25:14081-14088
A new dye was developed, the photoluminescence properties of which are controlled by a chemical reaction. The fluorescence properties of 2-sulfanylhydroquinone dimers depend on the number of hydroxyl groups that are acylated. Unprotected or monoacyla
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc230cc9f2dccf9850164e38dda5fcff
https://doi.org/10.1002/chem.201903436
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