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Research Output 2008 2019

  • 690 Citations
  • 13 h-Index
  • 29 Article
  • 2 Review article
  • 1 Comment/debate
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Article
2019
3 Citations (Scopus)

Direct transformation of terminal alkenes with H2O into primary alcohols over metal oxide-supported Pd catalysts

Zhang, Z., Mamba, T., Yamamoto, E., Murayama, H., Ishida, T., Honma, T., Fujitani, T. & Tokunaga, M., Jun 5 2019, In : Applied Catalysis B: Environmental. 246, p. 100-110 11 p.

Research output: Contribution to journalArticle

alkene
Alkenes
Catalyst supports
Oxides
Olefins

Enantioselective Protonation of Enol Esters with Bifunctional Phosphonium/Thiourea Catalysts

Yamamoto, E., Wakafuji, K., Mori, Y., Teshima, G., Hidani, Y. & Tokunaga, M., Jun 7 2019, In : Organic Letters. 21, 11, p. 4030-4034 5 p.

Research output: Contribution to journalArticle

Thiourea
Protonation
thioureas
esters
Esters
1 Citation (Scopus)

The additive effect of amines on the dihydroxylation of buta-1,3-diene into butenediols by supported Pd catalysts

Zhang, Z., Mamba, T., Huang, Q. A., Murayama, H., Yamamoto, E., Honma, T. & Tokunaga, M., Oct 2019, In : Molecular Catalysis. 475, 110502.

Research output: Contribution to journalArticle

dienes
Catalyst supports
Amines
Morpholines
amines
2018
2 Citations (Scopus)

Dynamic Kinetic Resolution of N-Protected Amino Acid Esters via Phase-Transfer Catalytic Base Hydrolysis

Yamamoto, E., Wakafuji, K., Furutachi, Y., Kobayashi, K., Kamachi, T. & Tokunaga, M., Jul 6 2018, In : ACS Catalysis. 8, 7, p. 5708-5713 6 p.

Research output: Contribution to journalArticle

Amino acids
Hydrolysis
Esters
Amino Acids
Stereoselectivity
2017
5 Citations (Scopus)

Formal Nucleophilic Silyl Substitution of Aryl Halides with Silyllithium Reagents via Halogenophilic Attack of Silyl Nucleophiles

Yamamoto, E., Ukigai, S. & Ito, H., Nov 13 2017, In : Synlett. 28, 18, p. 2460-2464 5 p.

Research output: Contribution to journalArticle

Nucleophiles
Substitution reactions
32 Citations (Scopus)

Mechanistic Investigations of the Pd(0)-Catalyzed Enantioselective 1,1-Diarylation of Benzyl Acrylates

Orlandi, M., Hilton, M. J., Yamamoto, E., Toste, F. D. & Sigman, M. S., Sep 13 2017, In : Journal of the American Chemical Society. 139, 36, p. 12688-12695 8 p.

Research output: Contribution to journalArticle

Acrylates
Anions
Negative ions
Phosphates
Catalysis
2 Citations (Scopus)

Transition-Metal-Free Boryl Substitution Using Silylboranes and Alkoxy Bases

Yamamoto, E., Maeda, S., Taketsugu, T. & Ito, H., Jul 3 2017, In : Synlett. 28, 11, p. 1258-1267 10 p.

Research output: Contribution to journalArticle

Transition metals
Substitution reactions
Nucleophiles
Boron
Discrete Fourier transforms
9 Citations (Scopus)

Tris(trimethylsilyl)silylboronate Esters: Novel Bulky, Air- and Moisture-Stable Silylboronate Ester Reagents for Boryl Substitution and Silaboration Reactions

Yamamoto, E., Shishido, R., Seki, T. & Ito, H., Aug 28 2017, In : Organometallics. 36, 16, p. 3019-3022 4 p.

Research output: Contribution to journalArticle

moisture
reagents
esters
Esters
Substitution reactions
6 Citations (Scopus)

Wacker Oxidation of Terminal Alkenes Over ZrO2-Supported Pd Nanoparticles Under Acid- and Cocatalyst-Free Conditions

Zhang, Z., Kumamoto, Y., Hashiguchi, T., Mamba, T., Murayama, H., Yamamoto, E., Ishida, T., Honma, T. & Tokunaga, M., Jan 1 2017, In : ChemSusChem. 10, 17, p. 3482-3489 8 p.

Research output: Contribution to journalArticle

alkene
Alkenes
Olefins
Nanoparticles
oxidation
2016
7 Citations (Scopus)

Copper(I)-catalyzed diastereoselective borylative exo-cyclization of alkenyl aryl ketones

Yamamoto, E., Kojima, R., Kubota, K. & Ito, H., Jan 23 2016, In : Synlett. 27, 2, p. 272-276 5 p., st-2015-u0477-l.

Research output: Contribution to journalArticle

Cyclization
Ketones
Copper
Derivatives
Catalysts
39 Citations (Scopus)

Development and Analysis of a Pd(0)-Catalyzed Enantioselective 1,1-Diarylation of Acrylates Enabled by Chiral Anion Phase Transfer

Yamamoto, E., Hilton, M. J., Orlandi, M., Saini, V., Toste, F. D. & Sigman, M. S., Dec 14 2016, In : Journal of the American Chemical Society. 138, 49, p. 15877-15880 4 p.

Research output: Contribution to journalArticle

Acrylates
Anions
Negative ions
Enantioselectivity
Alkenes
3 Citations (Scopus)

Direct Introduction of a Dimesitylboryl Group Using Base-Mediated Substitution of Aryl Halides with Silyldimesitylborane

Yamamoto, E., Izumi, K., Shishido, R., Seki, T., Tokodai, N. & Ito, H., Jan 1 2016, In : Chemistry - A European Journal. 22, 49, p. 17547-17551 5 p.

Research output: Contribution to journalArticle

Bearings (structural)
Boranes
Alkali Metals
Iodides
Alkali metals
2015
39 Citations (Scopus)
Substitution reactions
Alkali Metals
Functional groups
Transition metals
alkoxyl radical
34 Citations (Scopus)
Enantioselectivity
Aldehydes
Protons
Copper
Esters
50 Citations (Scopus)

Reaction mechanism of the anomalous formal nucleophilic borylation of organic halides with silylborane: Combined theoretical and experimental studies

Uematsu, R., Yamamoto, E., Maeda, S., Ito, H. & Taketsugu, T., Apr 1 2015, In : Journal of the American Chemical Society. 137, 12, p. 4090-4099 10 p.

Research output: Contribution to journalArticle

Bromine
Boron
Nucleophiles
Theoretical Models
Silicon
34 Citations (Scopus)

Silicon-tethered strategy for copper(I)-catalyzed stereo- and regioselective alkylboration of alkynes

Kubota, K., Iwamoto, H., Yamamoto, E. & Ito, H., Feb 6 2015, In : Organic Letters. 17, 3, p. 620-623 4 p.

Research output: Contribution to journalArticle

Alkynes
alkynes
Silicon
Copper
Stilbenes
2014
43 Citations (Scopus)

Copper(I)-catalyzed enantioselective synthesis of α-chiral linear or carbocyclic (e)-(γ-alkoxyallyl)boronates

Yamamoto, E., Takenouchi, Y., Ozaki, T., Miya, T. & Ito, H., Nov 26 2014, In : Journal of the American Chemical Society. 136, 47, p. 16515-16521 7 p.

Research output: Contribution to journalArticle

Cyclopentanes
Acetals
Aldehydes
Copper
Carbon
10 Citations (Scopus)

Formal nucleophilic boryl substitution of organic halides with Silylborane/Alkoxy base system

Yamamoto, E., Izumi, K., Horita, Y., Ukigai, S. & Ito, H., Jun 2014, In : Topics in Catalysis. 57, 10-13, p. 940-945 6 p.

Research output: Contribution to journalArticle

Bromides
Transition metals
Substitution reactions
Impurities
alkoxyl radical
2013
120 Citations (Scopus)

Copper(I)-catalyzed borylative exo -cyclization of alkenyl halides containing unactivated double bond

Kubota, K., Yamamoto, E. & Ito, H., Feb 20 2013, In : Journal of the American Chemical Society. 135, 7, p. 2635-2640 6 p.

Research output: Contribution to journalArticle

Chemical bonds
Cyclization
Alkenes
Olefins
Copper
25 Citations (Scopus)

Regio- and enantioselective monoborylation of alkenylsilanes catalyzed by an electron-donating chiral phosphine-Copper(I) complex

Kubota, K., Yamamoto, E. & Ito, H., Dec 16 2013, In : Advanced Synthesis and Catalysis. 355, 18, p. 3527-3531 5 p.

Research output: Contribution to journalArticle

phosphine
Regioselectivity
Enantioselectivity
Copper
Esters
2012
84 Citations (Scopus)
Bromides
Transition metals
Substitution reactions
Metals
Functional groups
8 Citations (Scopus)

Bacteroides thetaiotaomicron VPI-5482 glycoside hydrolase family 66 homolog catalyzes dextranolytic and cyclization reactions

Kim, Y. M., Yamamoto, E., Kang, M. S., Nakai, H., Saburi, W., Okuyama, M., Mori, H., Funane, K., Momma, M., Fujimoto, Z., Kobayashi, M., Kim, D. & Kimura, A., Sep 1 2012, In : FEBS Journal. 279, 17, p. 3185-3191 7 p.

Research output: Contribution to journalArticle

cycloisomaltooligosaccharide glucanotransferase
Glycoside Hydrolases
Cyclization
Dextranase
Gene encoding
31 Citations (Scopus)

Hydrolytic enantioselective protonation of cyclic dienyl esters and a β-diketone with chiral phase-transfer catalysts

Yamamoto, E., Gokuden, D., Nagai, A., Kamachi, T., Yoshizawa, K., Hamasaki, A., Ishida, T. & Tokunaga, M., Dec 21 2012, In : Organic Letters. 14, 24, p. 6178-6181 4 p.

Research output: Contribution to journalArticle

Protonation
Ketones
ketones
esters
Condensation
44 Citations (Scopus)

Potassium tert-butoxide-mediated regioselective silaboration of aromatic alkenes

Ito, H., Horita, Y. & Yamamoto, E., Aug 18 2012, In : Chemical Communications. 48, 64, p. 8006-8008 3 p.

Research output: Contribution to journalArticle

Alkenes
Olefins
Transition metals
Potassium
potassium tert-butoxide
2011
22 Citations (Scopus)

Catalytic asymmetric hydrolysis: Asymmetric hydrolytic protonation of enol esters catalyzed by phase-transfer catalysts

Yamamoto, E., Nagai, A., Hamasaki, A. & Tokunaga, M., Jun 20 2011, In : Chemistry - A European Journal. 17, 26, p. 7178-7182 5 p.

Research output: Contribution to journalArticle

Protonation
Hydrolysis
Esters
Ammonium Hydroxide
Ammonium hydroxide
5 Citations (Scopus)

Highly atom efficient catalytic reactions utilizing water and alcohols as reagents

Hamasaki, A., Yamamoto, E., Itoh, H. & Tokunaga, M., Jan 1 2011, In : Journal of Organometallic Chemistry. 696, 1, p. 202-210 9 p.

Research output: Contribution to journalArticle

reagents
Hydrolysis
alcohols
Alcohols
Palladium
2010
1 Citation (Scopus)

Metal complexes-catalyzed hydrolysis, alcoholysis, and hydroalkoxylation

Tokunaga, M., Hamasaki, A., Yamamoto, E. & Itoh, H., Jul 1 2010, In : Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry. 68, 7, p. 738-744 7 p.

Research output: Contribution to journalArticle

Coordination Complexes
Hydrolysis
Palladium
Alkenes
Esters
2009
13 Citations (Scopus)

Kinetic resolution of P-Chirogenic compounds by palladium-catalyzed alcoholysis of vinyl ethers

Itoh, H., Yamamoto, E., Masaoka, S., Sakai, K. & Tokunaga, M., Aug 1 2009, In : Advanced Synthesis and Catalysis. 351, 11-12, p. 1796-1800 5 p.

Research output: Contribution to journalArticle

Palladium
Ethers
Kinetics
Diamines
vinyl ether
2008
11 Citations (Scopus)

Kinetic resolution of phosphoryl and sulfonyl esters of 1,1′-bi-2-naphthol via Pd-catalyzed alcoholysis of their vinyl ethers

Sakuma, T., Yamamoto, E., Aoyama, H., Obora, Y., Tsuji, Y. & Tokunaga, M., Jul 11 2008, In : Tetrahedron Asymmetry. 19, 13, p. 1593-1599 7 p.

Research output: Contribution to journalArticle

Naphthol
esters
Ethers
ethers
Esters