Search Results - "Asako, Sobi"

Remote steric control for undirected meta -selective C-H activation of arenes by Ramadoss, Boobalan, Jin, Yushu, Asako, Sobi, Ilies, Laurean

“…Regioselective functionalization of arenes remains a challenging problem in organic synthesis. Steric interactions are often used to block sites adjacent to a…”
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Use of Cyclopropane as C1 Synthetic Unit by Directed Retro-Cyclopropanation with Ethylene Release by Asako, Sobi, Kobashi, Takaaki, Takai, Kazuhiko

“…Cyclopropanation of alkenes is a well-established textbook reaction for the synthesis of cyclopropanes, where a “high-energy” carbene species is exploited to…”
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Noncovalent interaction with a spirobipyridine ligand enables efficient iridium-catalyzed C–H activation by Jin, Yushu, Ramadoss, Boobalan, Asako, Sobi, Ilies, Laurean

“…Exploitation of noncovalent interactions for recognition of an organic substrate has received much attention for the design of metal catalysts in organic…”
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Ligand-Enabled, Iridium-Catalyzed ortho -Borylation of Fluoroarenes by Kuleshova, Olena, Asako, Sobi, Ilies, Laurean

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Lithium‐Free Synthesis of Sodium 2,2,6,6‐Tetramethylpiperidide and Its Synthetic Applications by Asako, Sobi, Kodera, Masato, Nakajima, Hirotaka, Takai, Kazuhiko

“…Lithium‐free synthetic methods for sodium 2,2,6,6‐tetramethylpiperide (NaTMP) have been developed using sodium dispersion as a sole sodium source. The prepared…”
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Negatively Curved Nanographene with Heptagonal and [5]Helicene Units by Qiu, Zijie, Asako, Sobi, Hu, Yunbin, Ju, Cheng-Wei, Liu, Thomas, Rondin, Loïc, Schollmeyer, Dieter, Lauret, Jean-Sébastien, Müllen, Klaus, Narita, Akimitsu

“…Negatively curved nanographene (NG) 4, having two heptagons and a [5]­helicene, was unexpectedly obtained by aryl rearrangement and stepwise…”
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Synthesis of Linear Allylsilanes via Molybdenum-Catalyzed Regioselective Hydrosilylation of Allenes by Asako, Sobi, Ishikawa, Sae, Takai, Kazuhiko

“…A simple molybdenum-based catalytic system for hydrosilylation of allenes has been developed. The reactions of mono- and disubstituted allenes with secondary…”
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ortho-Allylation of 1-Arylpyrazoles with Allyl Phenyl Ether via Iron-Catalyzed CH Bond Activation under Mild Conditions by Asako, Sobi, Norinder, Jakob, Ilies, Laurean, Yoshikai, Naohiko, Nakamura, Eiichi

“…An iron salt and a bipyridine‐type ligand catalyze the ortho‐allylation of 1‐arylpyrazoles and congeners with allyl phenyl ether under mild conditions (0 °C)…”
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Molybdenum-Catalyzed Stereospecific Deoxygenation of Epoxides to Alkenes by Asako, Sobi, Sakae, Takahisa, Murai, Masahito, Takai, Kazuhiko

“…Mild and simple catalytic systems consisting of molybdenum(VI) dichloride dioxide [MoO2Cl2] as a catalyst and a phosphine as reductant have been developed for…”
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Birch Reduction of Arenes Using Sodium Dispersion and DMI under Mild Conditions by Asako, Sobi, Takahashi, Ikko, Kurogi, Takashi, Murakami, Yoshiaki, Ilies, Laurean, Takai, Kazuhiko

“…An easy-to-handle sodium dispersion in paraffin oil (SD), in combination with inexpensive and environmentally benign 1,3-dimethyl-2-imidazolidinone (DMI) as an…”
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On-surface cyclization of vinyl groups on poly-para-phenylene involving an unusual pentagon to hexagon transformation by Di Giovannantonio, Marco, Qiu, Zijie, Pignedoli, Carlo A., Asako, Sobi, Ruffieux, Pascal, Müllen, Klaus, Narita, Akimitsu, Fasel, Roman

“…On-surface synthesis relies on carefully designed molecular precursors that are thermally activated to afford desired, covalently coupled architectures. Here,…”
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Molybdenum‐Catalyzed Deoxygenative Cyclization of Carbonyl Compounds for the Synthesis of Pyrido[2,1‐a]isoindoles by Asako, Sobi, Kobayashi, Takafumi, Ishihara, Seina, Takai, Kazuhiko

“…A simple catalytic system consisting of Mo(0) and ortho‐quinone as catalyst and phosphine as a reductant has been developed for the synthesis of…”
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Olefin Synthesis by Deoxygenative Coupling of Carbonyl Compounds: From Stoichiometric to Catalytic by Asako, Sobi, Ilies, Laurean

“…This highlight review describes the deoxygenative coupling of carbonyl compounds, starting with a brief historical presentation of stoichiometric reactions…”
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Halogen–sodium exchange enables efficient access to organosodium compounds by Asako, Sobi, Takahashi, Ikko, Nakajima, Hirotaka, Ilies, Laurean, Takai, Kazuhiko

“…With sodium being the most abundant alkali metal on Earth, organosodium compounds are an attractive choice for sustainable chemical synthesis. However,…”
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Theoretical Study on Alkoxydiphosphine Ligand for Bimetallic Cooperation in Nickel-catalyzed Monosubstitution of C–F Bond by Asako, Sobi, Ilies, Laurean, Verma, Pritha, Ichikawa, Saki, Nakamura, Eiichi

“…A theoretical study on a tripodal alkoxydiphosphine (POP) ligand, which accelerates the nickel-catalyzed monosubstitution of a polyfluoroarene with an…”
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Organosodium compounds for catalytic cross-coupling by Asako, Sobi, Nakajima, Hirotaka, Takai, Kazuhiko

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Iron-Catalyzed Ortho-Allylation of Aromatic Carboxamides with Allyl Ethers by Asako, Sobi, Ilies, Laurean, Nakamura, Eiichi

“…Arenes possessing an N-(quinolin-8-yl)amide directing group are ortho-allylated with allyl phenyl ether in the presence of an iron/diphosphine catalyst and an…”
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Synthesis of Anthranilic Acid Derivatives through Iron-Catalyzed Ortho Amination of Aromatic Carboxamides with N‑Chloroamines by Matsubara, Tatsuaki, Asako, Sobi, Ilies, Laurean, Nakamura, Eiichi

“…Arenes possessing an 8-quinolinylamide group as a directing group are ortho aminated with N-chloroamines and N-benzoyloxyamines in the presence of an…”
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Iron-Catalyzed Directed Alkylation of Aromatic and Olefinic Carboxamides with Primary and Secondary Alkyl Tosylates, Mesylates, and Halides by Ilies, Laurean, Matsubara, Tatsuaki, Ichikawa, Saki, Asako, Sobi, Nakamura, Eiichi

“…Alkenes, arenes, and heteroarenes possessing an 8-quinolylamide group as the directing group are alkylated with primary and secondary alkyl tosylates,…”
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Iron-Catalyzed C(sp2)–H Bond Functionalization with Organoboron Compounds by Shang, Rui, Ilies, Laurean, Asako, Sobi, Nakamura, Eiichi

“…We report here that an iron-catalyzed directed C–H functionalization reaction allows the coupling of a variety of aromatic, heteroaromatic, and olefinic…”
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