Faculty Profiles - YAMAMOTO, Yoshihiko

Ruthenium-Catalyzed Transfer Oxygenative [2 + 2 + 1] Cycloaddition of Silyldiynes Using Nitrones as Adjustable Oxygen Atom Donors. Synthesis of Bicyclic 2-Silylfurans Reviewed

Kazuma Matsui, Masatoshi Shibuya, Yoshihiko Yamamoto

ACS Catalysis Vol. 5 ( 11 ) page： 6468-6472 2015.11

A Combined Transition-Metal-Catalyzed and Photopromoted Process: Synthesis of 2,3-Fused 4-Phenylnaphthalen-1-yl Carboxylates from 1,7-Diaryl-1,6-diynes Reviewed

Yoshihiko Yamamoto, Shota Mori, Masatoshi Shibuya

Chemistry - A European Journal Vol. 21 ( 25 ) page： 9093-9100 2015.6

A lactone-fused cyclohexadiene as a versatile platform for diversified synthesis of 5,6,5-tricyclic scaffolds Reviewed

M. Shibuya, T. Sudoh, T. Kawamura and Y. Yamamoto

Organic & Biomolecular Chemistry Vol. 13 ( 21 ) page： 5862-5866 2015.6

A Combined Experimental and Computational Study on the Cycloisomerization of 2-Ethynylbiaryls Catalyzed by Dicationic Arene Ruthenium Complexes Reviewed

Yoshihiko Yamamoto, Kazuma Matsui, Masatoshi Shibuya

Chemistry - A European Journal Vol. 21 ( 19 ) page： 7245-7255 2015.5

Synthesis of 3,4-Fused 2-Quinolones from an (o-Aminophenyl) propiolate via Sequential Cycloaddition/Lactam Formation Reviewed

Tsukasa Murayama, Masatoshi Shibuya, and Yoshihiko Yamamoto

Advanced Synthesis & Catalysis Vol. 357 ( 4 ) page： 690-694 2015.3

Synthesis of β-Allylbutenolides via One-Pot Copper-Catalyzed Hydroallylation/Cyclization of γ-Hydroxybutynoate Derivatives Reviewed

Yoshihiko Yamamoto, Shinya Shibano, Takashi Kurohara, and Masatoshi Shibuya

The Journal of Organic Chemistry Vol. 79 ( 10 ) page： 4503-4511 2014.5

Tandem Ruthenium-Catalyzed Transfer-Hydrognative Cyclization/Intramolecular Diels-Alder Reaction of Enediynes Affording Dihydrocoumarin-Fused Polycycles Reviewed

Yoshihiko Yamamoto, Kazuma Matsui, and Masatoshi Shibuya

Organic Letters Vol. 16 ( 6 ) page： 1806-1809 2014.3

Synthesis of Heterocycles via Transition-metal-catalyzed Hydroarylations of Alkynes Reviewed

Yoshihiko Yamamoto

Chemical Society Reviews Vol. 43 ( 5 ) page： 1575-1600 2014.3

Syntheses of Heterocycles via Alkyne Cycloadditions Catalyzed by Cyclopentadienylruthenium-Type Complexes Invited Reviewed

Yoshihiko Yamaoto

Heterocycles Vol. 87 ( 12 ) page： 2459-2493 2013.12

Theoretical Study on Ruthenium-Catalyzed Hydrocarboxylative Dimerization of Phenylacetylene with Acetic Acid Leading to (1E,3E)-1,4-Diphenyl-1,3-butadienyl Acetate Reviewed

Yoshihiko Yamamoto

Organometallics Vol. 32 ( 18 ) page： 5201-5211 2013.9

Ruthenium-Catalyzed Transfer-Hydrogenative Cyclization of 1,6-Diynes with Hantzsch 1,4-Dihydropyridine as a H₂ Surrogate Reviewed

Yoshihiko Yamamoto, Shota Mori, Masatoshi Shibuya

Chemistry - A European Journal Vol. 19 ( 36 ) page： 12034-12041 2013.9

Copper-Catalyzed Conjugate Addition of Organoboronic Acids and Esters to Electron-Deficient Alkynes Reviewed

Yoshihiko Yamamoto

Vol. 71 ( 4 ) page： 296-306 2013.4

Ruthenium-catalyzed hydrophosphinylative cyclization of 1,6-diynes. Stereoselective synthesis of exocyclic 1,3-dienylphosphine oxides Reviewed

Yoshihiko Yamamoto, Kosuke Fukatsu, Hisao Nishiyama

Chemical Communications Vol. 48 ( 64 ) page： 7985-7987 2012.8

Transition-Metal-Catalyzed Cycloisomerizations of α,ω-Dienes Reviewed

Yoshihiko Yamamoto

Chemical Reviews Vol. 112 ( 8 ) page： 4736-4769 2012.8

Ruthenium-Catalyzed Transfer Oxygenative Cyclization of α,ω-Diynes: Unprecedented [2 + 2 + 1] Route to Bicyclic Furans via Ruthenacyclopentatriene Reviewed

Ken Yamashita, Yoshihiko Yamamoto, Nisao Nishiyama

Journal of the American Chemical Society Vol. 134 ( 18 ) page： 7660-7663 2012.5

Copper-Catalyzed Regio- and Stereoselective Conjugate Allylation of Electron-Deficient Alkynes with Allylboronates under Mild Conditions Reviewed

Yoshihiko Yamamoto, Satoshi Yamada, Hisao Nishiyama

Chemistry - A European Journal Vol. 18 ( 11 ) page： 3153-3156 2012.3

Ruthenium-catalyzed cyclization/transfer hydrogenation of 1,6-diynes: unprecedented mode of alcohol activation via metallacyclopentatriene Reviewed

Ken Yamashita, Yuki, Nagashima, Yoshihiko Yamamoto, Hisao Nishiyama

Chemical Communications Vol. 47 ( 41 ) page： 11552-11554 2011.11

Synthesis of 3-Arylindole-2-carboxylates via Copper-Catalyzed Hydroarylation of o-Nitrophenyl-Substituted Alkynoates and Subsequent Cadogan Cyclization Reviewed

Yoshihiko Yamamoto, Satoshi Yamada, and Hisao Nishiyama

Advanced Synthesis & Catalysis Vol. 353 ( 5 ) page： 701–706 2011.3

Activation of water molecule under mild conditions by ruthenacyclopentatriene: Mechanism of hydrative cyclization of diynes Reviewed

Yoshihiko Yamamoto, Ken Yamashita, Hisao Nishiyama

Chemical Communications Vol. 47 ( 5 ) page： 1556–1558 2011.2

Systematic Evaluation of Substituted Cyclopentadienyl Ruthenium Complexes, [(η5-C5MenH5-n)RuCl(cod)], for Catalytic Cycloadditions of Diynes Reviewed

Yoshihiko Yamamoto, Ken Yamashita, Yu Harada

Chemistry - An Asian Journal Vol. 5 ( 4 ) page： 946-952 2010.4

Synthesis of Organometallic Analogues of Spirocyclic C-Arylribosides Reviewed

Yoshihiko Yamamoto, Ken Yamashita, Mitsutaka Nakamura

Organometallics Vol. 29 ( 6 ) page： 1472-1478 2010.3

The First General and Selective Palladium(II)-Catalyzed Alkoxycarbonylation of Arylboronates: Interplay among Benzoquinone-Ligated Palladium(0) Complex, Organoboron, and Alcohol Solvent Reviewed

Yoshihiko Yamamoto

Advanced Synthesis & Catalysis Vol. 352 ( 2-3 ) page： 478-492 2010.2

SYNTHESIS OF 4-ARYL-SUBSTITUTED BUTENOLIDES AND PENTENOLIDES BY COPPER-CATALYZED HYDROARYLATION Reviewed

Yoshihiko Yamamoto, Naohiro Kirai

Heterocycles Vol. 80 ( 1 ) page： 269-279 2010.1

STEREOSELECTIVE SYNTHESIS OF 3-ARYLACRYLATES BY COPPER-CATALYZED SYN HYDROARYLATION Reviewed

Naohiro Kirai, Yoshihiko Yamamoto

Organic Synthesis Vol. 87 page： 53-58 2010

Synthesis of 2,5-Dihydrofuran-fused Quinones from Ether-Tethered Diiododiyne Reviewed

Yoshihiko Yamamoto, Ryosuke Takuma, Tomitaka Hotta, and Ken Yamashita

The Journal of Organic Chemistry Vol. 74 ( 11 ) page： 4324-4328 2009.6

Copper-Catalyzed Stereoselective Hydroarylation of 3-Aryl-2-propynenitriles with Arylboronic Acids Reviewed

Yoshihiko Yamamoto, Tsuyoshi Asatani, Naohiro Kirai

Advanced Synthesis & Catalysis Vol. 351 ( 9 ) page： 1243-1249 2009.6

Homocoupling of Arylboronic Acids Catalyzed by 1,10-Phenanthroline-Ligated Copper Complexes in Air Reviewed

Naohiro Kirai and Yoshihiko Yamamoto

European Journal of Organic Chemistry ( 12 ) page： 1864-1867 2009.4

Synthesis of Chromans via [3 + 3] Cyclocoupling of Phenols with Allylic Alcohols Using a Mo/o-Chloranil Catalyst System Reviewed

Yoshihiko Yamamoto and Kouhei Itonaga

Organic Letters Vol. 11 ( 3 ) page： 717-720 2009.2

Synthesis of 4-Arylcoumarins via Cu-catalyzed Hydroarylation with Arylboronic Acids Reviewed

Yoshihiko Yamamoto and Naohiro Kirai

Organic Letters Vol. 10 ( 24 ) page： 5513-5516 2008.12

Versatile Friedel-Crafts-Type Alkylation of Benzene Derivatives Using a Molybdenum Complex/ortho-Chloranil Catalytic System Reviewed

Yoshihiko Yamamoto and Kouhei Itonaga

Chemistry - A European Journal Vol. 14 ( 34 ) page： 10705-10715 2008.11

Silver-Catalyzed Csp-H and Csp-Si Bond Transformations and Related Processes Invited Reviewed

Yoshihiko Yamamoto

Chemical Reviews Vol. 108 ( 8 ) page： 3199-3222 2008.8

ルテニウム触媒環化三量化反応を用いるC－アリールグリコシドの合成 Reviewed

山本芳彦

有機合成化学協会誌 Vol. 66 ( 8 ) page： 795-805 2008.8

Cu-catalyzed stereoselective conjugate addition of arylboronic acids to alkynoates Reviewed

Yoshihiko Yamamoto, Naohiro Kirai, and Yu Harada

Chemical Communications ( 17 ) page： 2010-2012 2008.5

Synthesis of multiply functionalized benzenes via ruthenium-catalyzed cycloaddition of diiododiynes Reviewed

Yoshihiko Yamamoto and Kozo Hattori

Tetrahedron Vol. 64 ( 5 ) page： 847-855 2008.1

Synthesis of Spirocyclic C-Arylglycosides and -Ribosides by Ruthenium-Catalyzed Cycloaddition Reviewed

Yoshihiko Yamamoto, Ken Yamashita, Tomitaka Hotta, Toru Hashimoto, Makoto Kikuchi, Hisao Nishiyama

Chemistry - An Asian Journal Vol. 2 ( 11 ) page： 1388-1399 2007.11

Multi-component coupling synthesis of polycyclic pyrrole derivatives via Ir- and Rh-catalyzed cycloisomerizations with microwave heating Reviewed

Yoshihiko Yamamoto, and Hiroki Hayashi

Tetrahedron Vol. 63 ( 41 ) page： 10149-10160 2007.10

Recent advances in Pyridine synthesis via catalytic intramolecular cyclocotrimerizations of alkynes and nitriles Invited Reviewed

Yoshihiko Yamamoto

Chimica Oggi - Chemistry Today Vol. 25 ( 5 ) page： 108-110 2007.9

Homocoupling of Arylboronic Acids with a Catalyst System Consisting of a Palladium(II) N-Heterocyclic Carbene Complex and p-Benzoquinone Reviewed

Yoshihiko Yamamoto

Synlett ( 12 ) page： 1913-1916 2007.7

Convergent Synthesis of Azabicycloalkenones Using Squaric Acid as Platform Reviewed

Yoshihiko Yamamoto, Shoji Kuwabara, Hiroyuki Hayashi, and Hisao Nishiyama

Advanced Synthesis & Catalysis Vol. 348 ( 16-17 ) page： 2493-2500 2006.11

Synthesis of Spirocyclic C-Arylribosides via Cyclotrimerization Reviewed

Yoshihiko Yamamoto, Toru Hashimoto, Kozo Hattori, Makoto Kikuchi, and Hisao Nishiyama

Organic Letters Vol. 8 ( 16 ) page： 3565-3568 2006.8

Ruthenium-Catalyzed Cycloaddition of 1,6-Diynes and Nitriles under Mild Conditions: Role of the Coordinating Group of Nitriles Reviewed

Yoshihiko Yamamoto, Keisuke Kinpara, Ryuji Ogawa, Hisao Nishiyama, and Kenji Itoh

Chemistry - A European Journal Vol. 12 ( 21 ) page： 5618-5631 2006.7

Synthesis of Bicyclic p-Diiodobenzenes via Silver-Catalyzed Csp-H Iodination and Ruthenium-Catalyzed Cycloaddition Reviewed

Yoshihiko Yamamoto, Kozo Hattori, and Hisao Nishiyama

Journal of the American Chemical Society Vol. 128 ( 25 ) page： 8336-8340 2006.6

Base- and Phosphine-free Palladium-Catalyzed Homocoupling of Arylboronic Acid Derivatives under Air Reviewed

Yoshihiko Yamamoto, Ryo Suzuki, Kozo Hattori, and Hisao Nishiyama

Synlett ( 7 ) page： 1027-1030 2006.5

Synthesis of arylboronates via Cp*RuCl-catalyzed cycloaddition of alkynylboronates Reviewed

Yoshihiko Yamamoto, Kozo Hattori, Jun-ichi Ishii and Hisao Nishiyama

Tetrahedron Vol. 62 ( 18 ) page： 4294-4305 2006.5

Synthesis of 2-Haloalkylpyridines via Cp*RuCl-Catalyzed Cycloaddition of 1,6-Diynes with α-Halonitriles. Unusual Halide Effect in Catalytic Cyclotrimerization Reviewed

Yoshihiko Yamamoto, Keisuke Kinpara, Hisao Nishiyama, and Kenji Itoh

Advanced Synthesis & Catalysis Vol. 347 ( 15 ) page： 1913-1916 2005.12

One-Pot Sequential Four-Component Coupling via Cp*RuCl-Catalyzed Cyclotrimerization and Suzuki-Miyaura Coupling Reviewed

Yoshihiko Yamamoto, Jun-ichi Ishii, and Hisao Nishiyama

Tetrahedron Vol. 61 ( 48 ) page： 11501-11510 2005.11

Synthesis of bi- and tricyclic arylboronates via Cp*RuCl-catalyzed cycloaddition of α,ω-diynes with ethynylboronate Reviewed

Yoshihiko Yamamoto, Kozo Hattori, Jun-ichi Ishii, Hisao Nishiyama, and Kenji Itoh

Chemical Communications ( 35 ) page： 4438-4440 2005.9

Domino Coupling Relay Approach to Polycyclic Pyrrole-2-carboxylates Reviewed

Yoshihiko Yamamoto, Hiroki Hayashi, Tomoaki Saigoku, and Hisao Nishiyama

Journal of the American Chemical Society Vol. 127 ( 31 ) page： 10804-10805 2005.8

Cp*RuCl-Catalyzed Formal Intermolecular Cyclotrimerization of Three Unsymmetrical Alkynes through Boron Temporary Tether. Regioselective Four-Component Coupling Synthesis of Phthalides Reviewed

Yoshihiko Yamamoto,* Jun-ichi Ishii, Hisao Nishiyama and Kenji Itoh

Journal of the American Chemical Society Vol. 127 ( 26 ) page： 9625-9631 2005.7

Selective synthesis of C-arylglycosides via Cp*RuCl-catalyzed partially intramolecular cyclotrimerizations of C-alkynylglycosides Reviewed

Yoshihiko Yamamoto, Tomoaki Saigoku, Hisao Nishiyama, Takashige Ohgai, and Kenji Itoh

Organic and Biomolecular Chemistry Vol. 3 ( 9 ) page： 1768-1775 2005.5

Synthesis of Ferrocenylbenzenes via Cp*RuCl-Catalyzed Partially Intramolecular Cyclotrimerization of Ferrocenylalkynes Reviewed

Yoshihiko Yamamoto, Hisashi Kataoka, Keisuke Kinpara, Hisao Nishiyama, Kenji Itoh

Letteres in Organic Chemistry Vol. 2 ( 3 ) page： 219-221 2005.5

Recent Advances in Intramolecular Alkyne Cyclotrimerization and Its Applications Reviewed

Yoshihiko Yamamoto

Current Organic Chemistry Vol. 9 ( 6 ) page： 503-519 2005.4

Ruthenium(II)-Catalyzed Alkyne Cyclotrimerizations Invited Reviewed

Yoshihiko Yamamoto

Journal of Synthetic Organic Chemistry Japan Vol. 63 ( 2 ) page： 112-121 2005.2

Cp*RuCl-Catalyzed [2+2+2] Cycloaddition of α,ω-Diynes with Electron-Deficient Carbon-Heteroatom Multiple Bonds Leading to Heterocycles Reviewed

Yoshihiko Yamamoto, Keisuke Kinpara, Tomoaki Saigoku, Hideyuki Takagishi, Satoshi Okuda, HisaoNishiyama, and Kenji Itoh

Journal of the American Chemical Society Vol. 127 ( 2 ) page： 605-613 2005.1

Synthesis of C-arylglycosides via Ru(II)-catalyzed [2 + 2 + 2] cycloaddition Reviewed

Yoshihiko Yamamoto, Tomoaki Saigoku, Takashige Ohgai, Hisao Nishiyama, and Kenji Itoh

Chemical Communications ( 23 ) page： 2702-2703 2004.12

Palladium(0)-Catalyzed Cyclization of Electron-Deficient Enynes and Enediynes Reviewed

Yoshihiko Yamamoto, Shoji Kuwabara, Yoji Ando, Hitomi Nagata, Hisao Nishiyama, and Kenji Itoh

The Journal of Organic Chemistry Vol. 69 ( 20 ) page： 6697-6705 2004.10

Synthesis of a Dinuclear Ruthenabicyclic Complex and Its Ligand-Substitution Reactions Reviewed

Yoshihiko Yamamoto, Yumiko Miyabe, and Kenji Itoh

European Journal of Inorganic Chemistry ( 18 ) page： 3651-3661 2004.9

Synthesis and Decomposition Behavior of a C2-Symmetrical Palladoum(IV) Spirocyclic Complex Reviewed

Yoshihiko Yamamoto, Shoji Kuwabara, Shigeo Matsuo, Takuya Ohno, Hisao Nishiyama, and Kenji Itoh, , Organometallics 2004, 23 (16), 3898-3906.

Organometallics Vol. 23 ( 16 ) page： 3898-3906 2004.8

Synthesis of Naphthoquinone-Fused Cyclobutadiene Ruthenium Complexes Reviewed

Yoshihiko Yamamoto, Takayasu Arakawa, and Kenji Itoh

Organometallics Vol. 23 ( 15 ) page： 3610-3614 2004.7

Synthesis of benzo-fused lactams and lactones via Ru(II)-catalyzed cycloaddition of amide- and ester-tethered α,ω-diynes with terminal alkynes: electronic directing effect of internal conjugated carbonyl group Reviewed

Yoshihiko Yamamoto, Keisuke Kinpara, Tomoaki Saigoku, Hisao Nishiyama, and Itoh Kenji

Organic & Biomolecular Chemistry Vol. 2 ( 9 ) page： 1287-1294 2004.5

Ru(II)-Catalyzed Chemo- and Regioselective Cyclotrimerization of Three Unsymmetrical Alkynes through Boron Temporary Tether. One-Pot Four-Component Coupling via Cyclotrimerization/Suzuki-Miyaura Coupling Reviewed

Yoshihiko Yamamoto, Jun-ichi Ishii, Hisao Nishiyama, and Kenji Itoh

Journal of the American Chemical Society Vol. 126 ( 12 ) page： 3712-3713 2004.3

Ruthenium-Catalyzed One-Pot Double Allylation/Cycloisomerization of 1,3-Dicarbonyl Compounds Leading to exo-Methylenecyclopentanes Reviewed

Yoshihiko Yamamoto, Yu-ichiro Nakagai, Kenji Itoh

Chemistry - A European Journal Vol. 10 ( 1 ) page： 231-236 2004.1

Ruthenium-Catalyzed Synthesis of Heterocyclic Compounds Invited Reviewed

Yoshihiko Yamamoto and Kenji Itoh

Ruthenium Catalysts and Fine Chemistry, Topics In Organometallic Chemistry, Vol. 11, Springer Vol. 11 page： 249-276 2004

Carbon-Carbon Bond Formations via Ruthenacycle Intermediates Invited Reviewed

Yoshihiko Yamamoto and Kenji Itoh

Ruthenium in Organic Synthesis (ed. by Shun-Ichi Murahashi) Wiley-VCH page： 95-124 2004

Ruthenium(II)-Catalyzed Selective Intramolecular [2 + 2 + 2] Alkyne Cyclotrimerizations Reviewed

Yoshihiko Yamamoto, Takayasu Arakawa, Ryuji Ogawa, Kenji Itoh

Journal of the American Chemical Society Vol. 125 ( 40 ) page： 12143-12160 2003.10

Ru(II)-catalyzed [2+2+2] cycloaddition of 1,2-bis(propiolyl)benzenes with monoalkynes Reviewed

Yoshihiko Yamamnoto, Koichi Hata, Takayasu arakawa, Kenji Itoh

Chemical Communications ( 11 ) page： 1290-1291 2003.6

Palladium(0)-Catalyzed Intramolecular [2+2+2] Alkyne Cyclotrimerizations with Electron-Deficient Diynes and Triynes Reviewed

Yoshihiko Yamamoto, Asako Nagata, Hitomi Nagata, Yoji Ando, Yasuhiro Arikawa, Kazuyuki Tatsumi, Kenji Itoh

Chemistry - A European Journal Vol. 9 ( 11 ) page： 2469-2483 2003.6

Dinuclear Palladium(0) and Platinum(0) Complexes with p-Benzoquinone and Norbornene Ligands Reviewed

Yoshihiko Yamamoto, Takuya Ohno, Kenji Itoh

Organometallics Vol. 22 ( 11 ) page： 2267-2272 2003.5

Single-Step Assembly of a C2-Symmetrical Palladium(IV) Spirocyclic Complex Reviewed

Yoshihiko Yamamoto, Takuya Ohno, Kenji Itoh

Avgewandte Chemie International Edition Vol. 41 ( 19 ) page： 3662-3665 2002.10

Selective Synthesis of Fused Cyclooctatetraenes by [4+4] Coupling Between Two Different Diene Units Reviewed

Yoshihiko Yamamoto, Tatsuya Ohno, Kenji Itoh

Chemistry - A European Journal Vol. 8 ( 20 ) page： 4734-4741 2002.10

Ruthenium(II)-Catalyzed [2+2+2] Cycloaddition of 1,6-Diynes with Tricarbonyl Compounds Reviewed

Yoshihiko Yamamoto, Hideyuki Takagishi, Kenji Itoh

Journal of the American Chemical Society Vol. 124 ( 24 ) page： 6844-6845 2002.6

Ruthenium(II)-Catalyzed Cycloaddition of 1,6-Diynes with Isothiocyanates and Carbon Disulfide: First Transition-Metal Catalyzed [2+2+2] Cocyclotrimerization Involving C=S Double Bond Reviewed

Yoshihiko Yamamoto, Hideyuki Takagishi, Kenji Itoh

Journal of the American Chemical Society Vol. 124 ( 1 ) page： 28-29 2002.1

Ruthenium(II)-Catalyzed Isomer-selective Cyclization of 1,6-Dienes Leading to exo-Methylenecyclopentanes. Unprecedented Cycloisomerization Mechanism Involving Ruthenacyclopentane(hydrido) Intermediate Reviewed

Yoshihiko Yamamoto, Yu-ichiro Nakagai, Naoki Ohkoshi, and Kenji Itoh

Journal of the American Chemical Society Vol. 123 ( 26 ) page： 6372-6380 2001.7

Diastereoselective Inter- and Intramolecular Pinacol Coupling of Aldehydes Promoted by Monomeric Titanocene(III) Complex Cp2TiPh Reviewed

Yoshihiko Yamamoto, Reiko Hattori, Takeyuki Miwa, Yu-ichiro Nakagai, Taketeru Kubota, Chiyo Yamamoto, Yoshio Okamoto, and Kenji Itoh

The Journal of Organic Chemistry Vol. 66 ( 11 ) page： 3865-3870 2001.6

Ruthenium(II)-catalyzed [2+2+2] cycloaddition of 1,6-diynes with electron-deficient nitriles Reviewed

Yoshihiko Yamamoto, Satoshi Okuda, and Kenji Itoh

Chemical Communications ( 11 ) page： 1102-1103 2001.6

Significant Chemo- and Regioselectivies in the Ru(II)-Catalyzed [2 + 2 + 2] Cycloaddition of 1,6-Diynes with Dicyanides Reviewed

Yoshihiko Yamamoto, Ryuji Ogawa, and Kenji Itoh

Journal of the American Chemical Society Vol. 123 ( 25 ) page： 6189-6190 2001.6

Ruthenium(II)-Catalyzed Cycloaddition of 1,6-Diynes with Isocyanates Leading to Bicyclic Pyridones Reviewed

Yoshihiko Yamamoto, Hideyuki Takagishi, and Kenji Itoh

Organic Letters Vol. 3 ( 13 ) page： 2117-2119 2001.6

The First Palladium(0) Complex of a Linear 1,6,11-Triyne. A Reactive Intermediate in the Catalytic Cyclotrimerization of a Triyne Reviewed

Yoshihiko Yamamoto, Asako Nagata, Yasuhiro Arikawa, Kazuyuki Tatsumi, and Kenji Itoh

Organometallics Vol. 19 ( 13 ) page： 2403-2405 2000.6

Ru(II)-Catalyzed Cycloadditions of 1,6-Heptadiynes with Alkenes: New Synthetic Potential of Ruthenacyclopentatrienes as Biscarbenoids in Tandem Cyclopropanation of Bicycloalkenes and Heteroatom-Assisted Cyclocotrimerization of 1,6-Heptadiynes with Heterocyclic Alkenes Reviewed

Yoshihiko Yamamoto, Hideaki Kitahara, Ryuji Ogawa, Hiroyuki Kawaguchi, Kazuyuki Tatsumi, and Kenji Itoh

Journal of the American Chemical Society Vol. 122 ( 18 ) page： 4310-4319 2000.5

Highly chemo- and regio-selective [2+2+2] cycloaddition of unsymmetrical 1,6-diynes with terminal alkynes catalyzed by Cp*Ru(cod)Cl under mild conditions Reviewed

Yoshihiko Yamamoto, Ryuji Ogawa, and Kenji Itoh

Chemical Communications ( 7 ) page： 549-550 2000.4

Fully substituted cyclooctatetraenes assembled by the [4+4] cross coupling of two different diene units: a shunting strategy of Wilke's metallacyclopentadiene coupling mechanism Reviewed

Yoshihiko Yamamoto, Tatsuya Ohno, and Kenji Itoh

Chemical Communications ( 16 ) page： 1543-1544 1999.8

Pd(0)-Catalyzed Selective [2+2+2] Cycloaddition of Dimethyl Nona-2,7-diyne-1,9-dioate Derivatives with Dimethyl Acetylenedicarboxylate Reviewed

Yoshihiko Yamamoto, Asako Nagata, and Kenji Itoh

Tetrahedron Letters Vol. 40 ( 27 ) page： 5035-5038 1999.7

Highly trans-selective intramolecular pinacol coupling of dials catalyzed by bulky Cp2TiPh Reviewed

Yoshihiko Yamamoto, Reiko Hattori, and Kenji Itoh

Chemical Communications ( 9 ) page： 825-826 1999.5

The Cp2TiPh-Mediated Reductive Radical cyclization of Cyanoketones and Related Reactions. Efficient Trapping of Ketyl Radicals by Cp2TiPh-Coordinated Polar Multiple bonds Reviewed

Yoshihiko Yamamoto, Daisuke Matsumi, Reiko Hattori, and Kenji Itoh

the Journal of Organic Chemistry Vol. 64 ( 9 ) page： 3224-3229 1999.4

Ruthenium-Catalyzed Highly Efficient Intramolecular Olefin Coupling of α,ω-Dienes. Facile and Regioselective Synthesis of exo-Methylenecyclopentanes

Ruthenium-Catalyzed Highly Efficient Intramolecular Olefin Yoshihiko Yamamoto, Naoki Ohkoshi, Mitsutosi Kameda, and Kenji Itoh

the Journal of Organic Chemistry Vol. 64 ( 7 ) page： 2178-2179 1999.4

Cp*Ru(cod)Cl-Catalyzed [2+2+2] Cycloaddition of 1,6-Heptadiynes with Allylic Ethers. A Decisive Role of Coordination to the Ether Oxygen Atom Reviewed

Yoshihiko Yamamoto, Hideaki Kitahara, Ryuji Ogawa, and Kenji Itoh

the Journal of Organic Chemistry Vol. 63 ( 26 ) page： 9610-9611 1998.12

Ruthenium-Catalyzed Tandem [2+2+2]/[4+2] Cycloaddition of 1,6-Heptadiyne with Norbornene Reviewed

Yoshihiko Yamamoto, Hideaki Kitahara, Reiko Hattori, and Kenji Itoh

Organometallics Vol. 17 ( 10 ) page： 1910-1912 1998.5

Cp2TiPh-coordinated cyano and ester groups as efficient ketyl radical acceptors in the reductive radical cyclization of γ-and δ-cyano ketones and δ-keto esters Reviewed

Yoshihiko Yamamoto, Daisuke Matsumi, and Kenji Itoh

Chemical Communications ( 8 ) page： 875-876 1998.4

Formation of 2-[1-(Trimethylsilyl)alkylidene]-4-cyclopentene-1,3-dione from Lewis Acid-Catalyzed Reaction of Cyclobutenedione Monoacetal with Alkynylsilane: Novel Cationic 1,2-Silyl Migrative Ring Opening and Subsequent 5-Exo-Trig Ring Closure Reviewed

The Journal of Organic Chemistry Vol. 62 ( 5 ) page： 1292-1298 1997.3

スクアリン酸を合成素子とする多官能型炭素および複素環化合物の高選択的合成

有機合成化学協会誌 Vol. 55 ( 9 ) page： 785 1997

Study of 5-Endo Cyclization of 5-Oxapenta-2,4-dienoyl Radical and Related Radicals by ab Initio Calculations. Unusual Nonradical Cyclization Mechanism Reviewed

The Journal of Organic Chemistry Vol. 61 ( 26 ) page： 9264-9271 1996.12

Synthesis of Phenolic Biaryls and p-Terphenyls and Their Heteroaromatic Analogs via a Cycloaddition Route Using 4-Aryl-2-silyloxybuta-1,3-dienes and Electron Deficient Alkynes Reviewed

Synthesis ( 8 ) page： 949-953 1996.8

New Method for Derivatization of Squaric Acid to Highly Substituted Cyclobutenones: Lewis Acid-Catalyzed Reaction of Cyclobutene-1,2-dione Monoacetal and Its Vinylog with Unsaturated Organosilanes, and Subsequent Ring Transformation of the Adducts Reviewed

Bulletin of the Chemical Society of Japan Vol. 69 ( 5 ) page： 1353-1362 1996.5

Radical-Mediated Ring Enlargement of Cyclobutenones: New Synthetic Potential of Squaric Acid Reviewed

Journal of the American Chemical Society Vol. 117 ( 38 ) page： 9653-9661 1995.9

BF3-Catalyzed Reaction of Cyclobutene-1,2-dione Monoacetal and Its Vinylog with Allylsilanes. Regioselective Synthesis of 4-Allyl-4-ethoxy-cyclobutenones from Squaric Acid and Their Conversion to Bi- and Tricycloalkanones Reviewed

Chemistry Letters ( 7 ) page： 525-526 1995.7

Unexpected Ionic Rearragement of Hypoiodite. Ring-Expansion of 4-Alkynyl-4-hydroxycyclobutenone to Iodomethylenecyclopentene-1,3-dione Reviewed

Tetrahedron Letters Vol. 36 ( 31 ) page： 5539-5542 1995.7

Triethyloxonium Tetrafluoroborate Mediated Addition Reaction of Unsaturated Organosilanes to Squaric Acid Esters Reviewed

Synthesis ( 5 ) page： 571-576 1995.5

Oxidative Rearrangement of 4-Hydroxy-2-cyclobutenone. A New Route to Highly Substituted Furanones from Squaric Acid Reviewed

The Journal of Organic Chemistry Vol. 59 ( 17 ) page： 4707-4709 1994.8

Ring Transformation of 4-Acylmethyl-2-chloro-4-hydroxy-2-cyclobutenone to γ-Acylmethylenetetronate by Thermal Rearrangement: New Synthetic Aspect of Squaric Acid as a C_4 _-Synthon Reviewed

Tetrahedron Vol. 50 ( 26 ) page： 7783-7798 1994.6

Cyanohydrins from Squaric Acid Ester with Trimethylsilyl Cyanide and Their Ring Opening Reactions Reviewed

Synlett ( 10 ) page： 781-783 1993.10

Synthesis of γ-Acylmethylenetetronates from Squaric Acid Reviewed

Tetrahedron Letters Vol. 34 ( 30 ) page： 4807-4810 1993.7

Synthesis of Squaric Acid Derivatives by Lewis Acid-catalysed Reaction of its Dichloride, Methyl Ester Chloride, Diethylamide Chloride, and Ethyl Diester with Unsaturated Organosilanes: New Method for C-C Bond Formation on Cyclobutenedione Reviewed

Journal of Chemical Society, Perkin Transactions 1 ( 2 ) page： 263-271 1993.1

Catalysed 1,2- vs 1,4-Addition of 3,4-Dichlorocyclobut-3-ene-1,2-dione with Unsaturated Organosilanes Reviewed

Journal of Chemical Society, Perkin Transactions 1 ( 9 ) page： 2272-2273 1991.9

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