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Y. Okamoto · SciRah

Researcher profile · Semantic Scholar

Y. Okamoto

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Y. Okamoto — researcher profile on SciRah

h-index: 10
Works: 52
Citations: 351

Most-cited papers

Phase transition of collagen and gelatin
Y. Okamoto, K. Saeki
196449 citations
Semantic Scholar
[3 + 4] Annulation of α,β-Unsaturated Acylsilanes with Enolates of α,β-Unsaturated Methyl Ketones: Scope and Mechanism
K. Takeda, A. Nakajima, M. Takeda, Y. Okamoto +4 more
199847 citations
Semantic Scholar
Studies on the Behavior of Partially Oxidized Tributylborane as a Radical Initiator for Methyl Methacrylate (MMA) Polymerization
Y. Okamoto, K. Takahata, Kenji Saeki
199833 citations
Semantic Scholar
First total synthesis of (±)-AM6898A and (±)-AM6898D
Yoshio Fukuda, Y. Okamoto
200226 citations
Semantic Scholar
ASYMMETRIC SYNTHESIS OF CHIRAL SULFOXIDES VIA MICROBIAL OXIDATION OF SULFIDES
H. Ohta, Y. Okamoto, Gen-ichi Tsuchihashi
198423 citations
Semantic Scholar
Molecular aggregation states and wetting behavior of a poly{2-(perfluorooctyl)ethyl acrylate} brush-immobilized nano-imprinted surface
T. Shinohara, Y. Higaki, Shiki Nojima, H. Masunaga +4 more
201519 citations
Semantic Scholar
A new strategy for construction of eight-membered carbocycles by Brook rearrangement mediated [6 + 2] annulation.
K. Takeda, Hidekazu Haraguchi, Y. Okamoto
2003Organic Letters13 citations Open access
Semantic Scholar
Preparation of Optically Active α-Acetoxyacylophenones via Enzyme Mediated Hydrolysis
H. Ohta, M. Ikemoto, Hiroyuki Ii, Y. Okamoto +1 more
198613 citations
Semantic Scholar
Studies on enzymatic oxidation of sulfides. Part II. Microbial oxidation of alkyl aryl sulfides to the corresponding optically active sulfoxides.
H. Ohta, Y. Okamoto, G. Tsuchihashi
198513 citations Open access
Semantic Scholar
Structural effects of cross-linking reagents on triple-helix reformation of intramolecularly cross-linked collagen
Kazuo Watanabe, Junko Nakagawa, T. Ebihara, Y. Okamoto
199610 citations
Semantic Scholar
The role of through-bond interaction in thermal behavior of cage molecules.
Y. Okamoto, K. Harano, M. Yasuda, E. Ōsawa +1 more
198310 citations Open access
Semantic Scholar
Effects of the methylene chain length of chemically introduced crosslinks on the properties of collagen
Kazuo Watanabe, Junko Nakagawa, T. Ebihara, Y. Okamoto
19979 citations
Semantic Scholar
A supported epoxidation catalyst for nucleophilic olefins
Y. Okamoto, W. Still
19889 citations Open access
Semantic Scholar
Intramolecular C-H Insertion Reactions of Acetoxy Fischer Carbene Complexes
K. Takeda, Y. Okamoto, A. Nakajima, E. Yoshii +1 more
19978 citations
Semantic Scholar
Microbial Asymmetric Oxidation of 2-Alkoxyethylsulfides and a Facile Synthesis of Chiral Vinyl Sulfoxide
H. Ohta, S. Matsumoto, Y. Okamoto, T. Sugai
19898 citations
Semantic Scholar
Lewis acid catalyzed [2σ+2σ] cycloreversion reaction of strained cage ketones to triquinane skeletons: kinetic evidence for a large acceleration of the reaction owing to stereoelectronic requirement
Y. Okamoto, K. Senokuchi, K. Kanematsu
19848 citations Open access
Semantic Scholar
Oxidation of Allylic Sulfides with Corynebacterium equi
H. Ohta, Y. Okamoto, G. Tsuchihashi
19857 citations
Semantic Scholar
First total synthesis of (±)-AM6898D and its three diastereoisomers by Claisen rearrangement and stereoselective epimerization
Yoshio Fukuda, M. Sakurai, Y. Okamoto
20005 citations
Semantic Scholar
Asymmetric Microbial Oxidation of Formaldehyde Dithioacetals
Y. Okamoto, H. Ohta, G. Tsuchihashi
19865 citations Open access
Semantic Scholar
Microbial Oxidation of Alkyl Aryl Sulfides to the Corresponding Optically Active Sulfoxides
H. Ohta, Y. Okamoto, G. Tsuchihashi
19855 citations
Semantic Scholar
First total synthesis of (±)-AM6898A by stereoselective aldol cyclization
Yoshio Fukuda, M. Sakurai, Y. Okamoto
20004 citations Open access
Semantic Scholar
Competitive rearrangement and cycloreversion reactions of the dimethoxy-substituted Cookson's cage diketone effected with Lewis acid catalyst.
Y. Okamoto, K. Senokuchi, K. Kanematsu
19854 citations Open access
Semantic Scholar
Studies on enzymatic oxidation of sulfides. Part III. Oxidation of allylic sulfides with Corynebacterium equi.
H. Ohta, Y. Okamoto, G. Tsuchihashi
19854 citations Open access
Semantic Scholar
Asymmetric synthesis of chiral sulfoxides via microbial oxidation of sulfides.
H. Ohta, Y. Okamoto, G. Tsuchihashi
19844 citations
Semantic Scholar
Remarkably fast [2+2]cycloreversion in methoxy substituted Cookson's cage ketones assisted by the capto-dative substituent effect and by the through-bond interaction
Y. Okamoto, K. Kanematsu, Teruyo Fujiyoshi, E. Ōsawa
19834 citations
Semantic Scholar
Dielectric Properties of Solid-State Gelatin and Collagen
K. Saiki, Y. Okamoto
19664 citations Open access
Semantic Scholar
Biosynthesis of opium alkaloids. Substrate specificity and aberrant biosynthesis: attempted detection of oripavine in Papaver somniferum.
E. Brochmann-Hanssen, Y. Okamoto
1980Journal of Natural Products3 citations
Semantic Scholar
[The effect of Bis-GMA based resins on insoluble collagen and its biocompatibility with the dentin matrix].
Y. Okamoto
1984Hiroshima Daigaku shigaku zasshi. The Journal of Hiroshima University Dental Society2 citations
Semantic Scholar
Two New Host-plants of Sesia molybdoceps (Lepidoptera, Sesiidae)
Y. Arita, Kazuki Sato, Y. Okamoto
19921 citations
Semantic Scholar
Chemical reactivity and molecular structure relationship of highly strained cage oxetanes
K. Harano, Y. Okamoto, M. Yasuda, Kaoru Ueyama +1 more
19831 citations
Semantic Scholar
Improvement of Adhesive Strength of Polyacetal by Irradiation of Vacuum Ultra-Violet Light and Deposition of Nanometer-Sized Particles Simultaneously using Laser Ablation
A. Takeichi, Y. Okamoto, H. Azuma
20120 citations
Semantic Scholar
Influence of Annealing Treatment on Adhesion Behavior of Poly(butylene terephthalate)
Y. Okamoto, T. Aoki, Kazúo Kato, Keiji Tanaka +1 more
20090 citations Open access
Semantic Scholar
Influence of Annealing and Surface Treatment on Surface Crystal Aggregation Structure of Polyoxymethylene
Y. Okamoto, A. Takeichi, H. Azuma, T. Aoki +1 more
20090 citations
Semantic Scholar
Reliability Analysis of Adhesive for PBT-Epoxy Interface
Kazúo Kato, T. Aoki, Y. Okamoto, Keiji Tanaka +1 more
20070 citations
Semantic Scholar
A Fundamental Study of Adhesive Reliability : A Study of PBT-Epoxy Adhesive Interface
T. Aoki, Y. Okamoto, T. Izumi, Kazúo Kato +3 more
20070 citations
Semantic Scholar
Effect of annealing treatment and surface treatment on adhesion behavior of poly(butylene terephthalate)
Y. Okamoto, Kazúo Kato, T. Aoki, T. Izumi +4 more
20060 citations
Semantic Scholar
Influence of annealing treatment on adhesion behavior of poly(butylene terephthalate)
Y. Okamoto, Kazúo Kato, T. Izumi, Keiji Tanaka +3 more
20050 citations Open access
Semantic Scholar
An effect of surface treatment on adhesion behavior of poly (butylene terephthalate)
Y. Okamoto, Kazúo Kato, T. Aoki, T. Izumi +5 more
20050 citations
Semantic Scholar
First Total Synthesis of (.+-.)-AM6898A (I) and (.+-.)-AM6898D (II).
Yoshio Fukuda, Y. Okamoto
20020 citations
Semantic Scholar
First Total Synthesis of (.+-.)-AM6898A by Stereoselective Aldol Cyclization.
Yoshio Fukuda, M. Sakurai, Y. Okamoto
20010 citations
Semantic Scholar
First Total Synthesis of (.+-.)-AM6898D and Its Three Diastereoisomers by Claisen Rearrangement and Stereoselective Epimerization.
Yoshio Fukuda, M. Sakurai, Y. Okamoto
20000 citations
Semantic Scholar
[3 + 4] Annulation of α,β-Unsaturated Acylsilanes with Enolates of α,β-Unsaturated Methyl Ketones: Scope and Mechanism.
K. Takeda, A. Nakajima, M. Takeda, Y. Okamoto +4 more
19980 citations
Semantic Scholar
Intramolecular C—H Insertion Reactions of Acetoxy Fischer Carbene Complexes.
K. Takeda, Y. Okamoto, A. Nakajima, E. Yoshii +1 more
19980 citations
Semantic Scholar
Catalyst life and product color prediction for gas oil HDS
M. Ushio, M. Hatayama, T. Waku, M. Akiyama +2 more
19950 citations
Semantic Scholar
Microbial Asymmetric Oxidation of 2-Alkoxyethyl Sulfides and a Facile Synthesis of Chiral Vinyl Sulfoxide.
H. Ohta, S. Matsumoto, Y. Okamoto, T. Sugai
19890 citations
Semantic Scholar
A Supported Epoxidation Catalyst for Nucleophilic Olefins.
Y. Okamoto, W. Still
19880 citations
Semantic Scholar
Preparation of Optically Active α-Acetoxyacyclophenones via Enzyme Mediated Hydrolysis.
H. Ohta, M. Ikemoto, Y. Okamoto, G. Tsuchihashi
19870 citations
Semantic Scholar
Competitive Rearrangement and Cycloreversion Reactions of the Dimethoxy-Substituted Cookson′s Cage Diketone Effected with Lewis Acid Catalyst.
Y. Okamoto, K. Senokuchi, K. Kanematsu
19860 citations
Semantic Scholar
LEWIS ACID CATALYZED (2Σ + 2Σ) CYCLOREVERSION REACTION OF STRAINED CAGE KETONES TO TRIQUINANE SKELETONS: KINETIC EVIDENCE FOR A LARGE ACCELERATION OF THE REACTION OWING TO STEREOELECTRONIC REQUIREMENT
Y. Okamoto, K. Senokuchi, K. Kanematsu
19850 citations
Semantic Scholar
REMARKABLY FAST (2+2)-CYCLOREVERSION IN METHOXY-SUBSTITUTED COOKSON′S CAGE KETONES ASSISTED BY THE CAPTO-DATIVE SUBSTITUENT EFFECT AND BY THE THROUGH-BOND INTERACTION
Y. Okamoto, K. Kanematsu, Teruyo Fujiyoshi, E. Ōsawa
19840 citations
Semantic Scholar

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H. Ohta×11
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T. Aoki×7
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