Search Results - "Izumiseki, Atsuto"

Boron Tribromide-Assisted Chiral Phosphoric Acid Catalyst for a Highly Enantioselective Diels–Alder Reaction of 1,2-Dihydropyridines by Hatano, Manabu, Goto, Yuta, Izumiseki, Atsuto, Akakura, Matsujiro, Ishihara, Kazuaki

“…BBr3–chiral phosphoric acid complexes are highly effective and practical Lewis acid-assisted Brønsted acid (LBA) catalysts for promoting the enantio­selective…”
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Selective Michael Reaction Controlled by Supersilyl Protecting Group by Izumiseki, Atsuto, Yamamoto, Hisashi

“…Selective Michael reaction of organolithium reagents to supersilyl methacrylate is reported. The method was able to control a single and double Michael…”
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Correlations between Substituent Effects and Catalytic Activities: A Quantitative Approach for the Development of Halogen‐Bonding‐Driven Anion‐Binding Catalysts by Momiyama, Norie, Izumiseki, Atsuto, Ohtsuka, Naoya, Suzuki, Toshiyasu

“…A quantitative approach for the development of halogen‐bonding‐driven anion‐binding catalysts was studied using 4‐substituted perfluorinated iodobenzene. 19F…”
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Quasi-Homoepitaxial Junction of Organic Semiconductors: A Structurally Seamless but Electronically Abrupt Interface between Rubrene and Bis(trifluoromethyl)dimethylrubrene by Takahashi, Kana, Izawa, Seiichiro, Ohtsuka, Naoya, Izumiseki, Atsuto, Tsuruta, Ryohei, Takeuchi, Riku, Gunjo, Yuki, Nakanishi, Yuki, Mase, Kazuhiko, Koganezawa, Tomoyuki, Momiyama, Norie, Hiramoto, Masahiro, Nakayama, Yasuo

“…Single-crystalline organic semiconductors exhibiting band transport have opened new possibilities for the utilization of efficient charge carrier conduction in…”
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Catalytic Asymmetric Three-Component Mannich-Type Reaction of Alkenyl Trichloroacetates by Izumiseki, Atsuto, Yoshida, Kazuhiro, Yanagisawa, Akira

“…A catalytic enantioselective three-component Mannich-type reaction of alkenyl trichloroacetates, ethyl glyoxalate, and aniline derivatives was achieved using…”
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Methanol-Assisted Catalysis by Chiral Tin Methoxides: An Alternative Asymmetric Aldol Process by Yanagisawa, Akira, Satou, Tomoya, Izumiseki, Atsuto, Tanaka, Youichi, Miyagi, Masahiko, Arai, Takayoshi, Yoshida, Kazuhiro

“…Opening a tin of catalysts: A catalytic enantioselective aldol reaction of alkenyl trichloroacetates with aldehydes was achieved using a (S)‐BINOL‐derived…”
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Intermolecular/Intramolecular Sequential Aldol Reaction by Izumiseki, Atsuto, Yamamoto, Hisashi

“…The first example of intermolecular/intramolecular sequential aldol reaction of disilyl enol ethers is described. This strategy enables the formation of five-,…”
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Organozinc-aided, HMPA-free, stoichiometric three-component coupling for the general synthesis of prostaglandins and stable prostacyclin analogs with biological significance by Koyama, Hiroko, Izumiseki, Atsuto, Suzuki, Masaaki

“…[Display omitted] •Organozinc-aided complete monoalkylation of lithium enolate without HMPA.•First stoichiometric coupling of three components leading to PG…”
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Molecular Design of a Chiral Brønsted Acid with Two Different Acidic Sites: Regio-, Diastereo-, and Enantioselective Hetero-Diels-Alder Reaction of Azopyridinecarboxylate with Amidodienes Catalyzed by Chiral Carboxylic Acid-Monophosphoric Acid by Momiyama, Norie, Tabuse, Hideaki, Noda, Hirofumi, Yamanaka, Masahiro, Fujinami, Takeshi, Yamanishi, Katsunori, Izumiseki, Atsuto, Funayama, Kosuke, Egawa, Fuyuki, Okada, Shino, Adachi, Hiroaki, Terada, Masahiro

“…A chiral Brønsted acid containing two different acidic sites, chiral carboxylic acid-monophosphoric acid 1a, was designed to be a new and effective concept in…”
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Enantioselective Diels-Alder Reactions with Anomalous endo/exo Selectivities Using Conformationally Flexible Chiral Supramolecular Catalysts by Hatano, Manabu, Mizuno, Tomokazu, Izumiseki, Atsuto, Usami, Ryota, Asai, Takafumi, Akakura, Matsujiro, Ishihara, Kazuaki

“…Swapped selectivities: The use of tailor‐made catalysts results in anomalous endo/exo selectivities and high enantioselectivities in the Diels–Alder reactions…”
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Stereodivergent Synthesis of 1,3-Dienes via Protodeboronation of Homoallenylboronic Esters by Sakamoto, Ryota, Odagi, Minami, Izumiseki, Atsuto, Konuki, Kaname, Nagasawa, Kazuo

“…Vinylboronic esters and allylboronic esters are well known to afford olefins by protodeboronation, and therefore homoallenylboronic esters should be similarly…”
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Selective Michael Reaction Controlled by Supersilyl Protecting Group by Izumiseki, Atsuto, Yamamoto, Hisashi

“…Selective Michael reaction of organolithium reagents to supersilyl methacrylate is reported. The method was able to control a single and double Michael…”
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Enantioselective Diels-Alder Reactions with Anomalous endo/exo Selectivities Using Conformationally Flexible Chiral Supramolecular Catalysts by Hatano, Manabu, Mizuno, Tomokazu, Izumiseki, Atsuto, Usami, Ryota, Asai, Takafumi, Akakura, Matsujiro, Ishihara, Kazuaki

“…Umgekehrte Selektivitäten: Durch die Verwendung von maßgefertigten Katalysatoren werden unübliche endo/exo‐Selektivitäten sowie hohe Enantioselektivitäten in…”
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Molecular Design of a Chiral Brønsted Acid with Two Different Acidic Sites: Regio‑, Diastereo‑, and Enantioselective Hetero-Diels–Alder Reaction of Azopyridine­carboxylate with Amidodienes Catalyzed by Chiral Carboxylic Acid–Monophosphoric Acid by Momiyama, Norie, Tabuse, Hideaki, Noda, Hirofumi, Yamanaka, Masahiro, Fujinami, Takeshi, Yamanishi, Katsunori, Izumiseki, Atsuto, Funayama, Kosuke, Egawa, Fuyuki, Okada, Shino, Adachi, Hiroaki, Terada, Masahiro

“…A chiral Brønsted acid containing two different acidic sites, chiral carboxylic acid–monophosphoric acid 1a, was designed to be a new and effective concept in…”
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