Zobrazeno 1 - 10 of 65 pro vyhledávání: '"Norie Momiyama"'
1
Akademický článek
Protocol for efficient dearomatization of N-heteroaromatics with halogen(I) complex catalyst
Autor: Shunya Oishi, Takeshi Fujinami, Yu Masui, Toshiyasu Suzuki, Masayuki Kato, Naoya Ohtsuka, Norie Momiyama
Publikováno v: STAR Protocols, Vol 4, Iss 1, Pp 102140- (2023)
Summary: In this protocol, we describe the application of a halogen(I) complex as a highly active non-metallic complex catalyst. Specifically, we present a detailed guide to synthesize the halogen(I) complex catalyst and utilize it as an anion-bindin
Externí odkaz: https://doaj.org/article/1a4fa46351314457834f75873fc79c78
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2
Akademický článek
Three-center-four-electron halogen bond enables non-metallic complex catalysis for Mukaiyama-Mannich-type reaction
Autor: Shunya Oishi, Takeshi Fujinami, Yu Masui, Toshiyasu Suzuki, Masayuki Kato, Naoya Ohtsuka, Norie Momiyama
Publikováno v: iScience, Vol 25, Iss 10, Pp 105220- (2022)
Summary: The three-center-four-electron halogen bond (3c4e X-bond) presents a fundamental design concept for catalysis. By integrating halogen(I) (X+: I+ or Br+), the bis-pyridyl ligand NN, and a non-nucleophilic counteranion Y, we developed non-meta
Externí odkaz: https://doaj.org/article/7726a3fde36f489281de5746e11e8268
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3
Chiral Counteranion-Directed Catalytic Asymmetric Methylene Migration Reaction of Ene-Aldimines
Autor: Norie Momiyama, Chanantida Jongwohan, Naoya Ohtsuka, Pawittra Chaibuth, Takeshi Fujinami, Kiyohiro Adachi, Toshiyasu Suzuki
Publikováno v: The Journal of Organic Chemistry. 87:9399-9407
A catalytic asymmetric methylene migration reaction of ene-aldimines directed by chiral counteranions is developed, with the optimal catalyst identified as phenanthryl-substituted (
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29302f90f8b0628d283cfcbd8f1fc19e
https://doi.org/10.1021/acs.joc.2c00742
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4
Effects of Linker Structures in Designing Perfluoroiodobenzene- Based Halogen-Bond Donor Catalysts with Two-Point Activation Modes
Autor: Masayuki KATO, Fumio NAKASHIMA, Naoya OHTSUKA, Yukina NISHIOKA, Atsuto IZUMISEKI, Takeshi FUJINAMI, Shunya OISHI, Toshiyasu SUZUKI, Norie MOMIYAMA
Linker structures were systematically investigated for use in designing halogen-bond donor catalysts with two-point activation modes based on perfluoroiodobenzenes. Tetrafluorophenylene, phenylene, and acetylene were examined as potential linkers, an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef984cf98efb9ece03324fbb8e93380d
https://doi.org/10.26434/chemrxiv-2023-sq0fl
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5
Organic Base-Mediated Wittig Reaction of Perfluorohalogenated Benzaldehydes for Designing Halogen Bond-Driven Smart Polymer Materials: Toward Digitalization as Reliable Strategy in Organic Synthesis
Autor: Tatsuaki HORI, Shuya KAKINUMA, Naoya OHTSUKA, Takeshi FUJINAMI, Toshiyasu SUZUKI, Norie MOMIYAMA
The Wittig reaction of perfluorohalobenzaldehydes was systematically studied to investigate perfluorohalostyrenes (TFXS) as functional monomers of halogen bond-driven smart polymer materials. The reaction proceeded efficiently in THF using 1,1,3,3-te
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::585effb14e741d094a550430f85c3fee
https://doi.org/10.26434/chemrxiv-2023-lcf1g
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7
Quasi-Homoepitaxial Junction of Organic Semiconductors: A Structurally Seamless but Electronically Abrupt Interface between Rubrene and Bis(trifluoromethyl)dimethylrubrene
Autor: Atsuto Izumiseki, Naoya Ohtsuka, Tomoyuki Koganezawa, Ryohei Tsuruta, Norie Momiyama, Yuki Nakanishi, Kana Takahashi, Kazuhiko Mase, Masahiro Hiramoto, Yuki Gunjo, Riku Takeuchi, Yasuo Nakayama, Seiichiro Izawa
Publikováno v: The Journal of Physical Chemistry Letters
Single-crystalline organic semiconductors exhibiting band transport have opened new possibilities for the utilization of efficient charge carrier conduction in organic electronic devices. The epitaxial growth of molecular materials is a promising rou
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a65133d754413836a2198b1dd92487d7
https://doi.org/10.1021/acs.jpclett.1c03094
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9
Three-center-four-electron halogen bond enables non-metallic complex catalysis for Mukaiyama–Mannich-type reaction at ppm-level catalyst loading
Autor: Shunya Oishi, Takeshi Fujinami, Yu Masui, Toshiyasu Suzuki, Masayuki Kato, Naoya Ohtsuka, Norie MOMIYAMA
The three-center-four-electron halogen bond (3c4e X-bond) presents a new design concept for catalysis. By integrating halogen(I) (X+: I+ or Br+), bis-pyridyl ligand NN, and non-nucleophilic counter anion Y, we developed non-metallic complex catalysts
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7fda7911cfda71a481bdddce3434f68
https://doi.org/10.21203/rs.3.rs-1511322/v1
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10
Three-center-four-electron halogen bond enables sub-ppm-level non-metallic complex catalysis
Autor: Shunya OISHI, Takeshi FUJINAMI, Yu MASUI, Toshiyasu SUZUKI, Masayuki KATO, Naoya OHTSUKA, Norie MOMIYAMA
The three-center-four-electron halogen bond (3c4e X-bond) presents a new design concept for catalysis. By integrating halogen(I) (X+: I+ or Br+), bis-pyridyl ligand NN, and non-nucleophilic counter anion Y. [N···X···N]SbF6, we developed non-met
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71d6c1250e2f5cf3340199623d347f89
https://doi.org/10.26434/chemrxiv-2022-1ljk9
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