Generation of (amino)(boryloxy)carbenes from carbamoylboranes and their coupling reaction with aldehydes, K. Ishida, H. Kusama, Chem. Commun., 58, 1625-1628 (2022).

 

Visible-Light-Induced In Situ Generation of Fischer-Type Copper Carbene Complexes from Acylsilanes and Its Application to Catalytic [4+1] Cycloaddition with Siloxydienes, T. Takeuchi, T. Aoyama, K. Orihara, K. Ishida, H. Kusama, Org. Lett., 23, 9490-9494 (2021). (selected as a Supplementary Cover Art)

 

Efficient Generation and Synthetic Applications of Alkyl-Substituted Siloxycarbenes: Suppression of Norrish-type Fragmentations of Alkanoylsilanes by Triplet Energy Transfer, K. Ishida, H. Yamazaki, C. Hagiwara, M. Abe, H. Kusama, Chem.–Eur. J., 26, 1249-1253 (2020).

 

Lewis Acid-Assisted Photoinduced Intermolecular Coupling between Acylsilanes and Aldehydes: A Formal Cross Benzoin-Type Condensation, K. Ishida, F. Tobita, H. Kusama, Chem.–Eur. J., 24, 543-546 (2018). (selected as a Frontispiece)

 

Total Synthesis of (±)-Integrifolin, K. Shimomaki, H. Kusama, N. Iwasawa, Chem.–Eur. J., 22, 9953-9957 (2016).

 

Total Synthesis of Englerin A Utilizing Intermolecular [3+2] Cycloaddition Reaction of Platinum- Containing Carbonyl Ylide, H. Kusama, A. Tazawa, K. Ishida, N. Iwasawa, Chem. Asian J., 11, 64-67 (2016).

 

Total Synthesis of Proposed Structure of Yuremamine and All Diastereomers Utilizing [3+2]- Cycloaddition of Platinum-Containing Azomethine Ylide, T. Ohyama, M. Uchida, H. Kusama, N. Iwasawa, Chem. Asian J., 10, 1850-1853 (2015).

 

Cobalt–Salen Complex-Catalyzed Oxidative Generation of Alkyl Radicals from Aldehydes for the Preparation of Hydroperoxides, E. Watanabe, A. Kaiho, H. Kusama, N. Iwasawa, J. Am. Chem. Soc., 135, 11744 (2013).

 

Construction of Cyclohepta[b]indoles via Platinum-Catalyzed Intermolecular Formal [4+3]-Cycloaddition Reaction of α,β-Unsaturated Carbene Complex Intermediates with Siloxydienes, H. Kusama, H. Sogo, K. Saito, T. Suga, N. Iwasawa, Synlett, 2013, 1364.

 

Chromium(0)-Catalyzed Tandem Cyclization of α,β-Unsaturated Thioimidates Containing an Enyne Moiety, Y, Karibe, H. Kusama, N. Iwasawa, Angew. Chem. Int. Ed., 51, 6214 (2012).

 

Selective Intermolecular [2+2] Cycloaddition Reaction Using Platinum(II) Catalyst with Hollow-Shaped Triethynyl Phosphine, M. Ebisawa, H. Kusama, N. Iwasawa, Chem. Lett., 41, 786 (2012). (selected as Editor’s Choice)

 

Efficient Control for the Cationic Platinum(II)-Catalyzed Concise Synthesis of Two Types of Fused Carbocycles with Angular Oxygen Functionality, H. Kusama, E. Watanabe, K. Ishida, N. Iwasawa, Chem. Asian J., 6, 2273 (2011).

 

[3+2] Cycloaddition of Metal-Containing Azomethine Ylides for Highly Efficient Synthesis of Mitosene Skeleton, J. Takaya, Y. Miyashita, H. Kusama, N. Iwasawa, Tetrahedron, 67, 4455 (2011).

 

Photochemically Promoted Transition Metal-Free Cross Coupling of Acylsilanes with Organoboronic Esters, K. Ito, H. Tamashima, N. Iwasawa, H. Kusama, J. Am. Chem. Soc., 133, 3716 (2011).

 

Rhenium(I)- and Tungsten(0)-Catalyzed Tandem Cyclization of Acetylenic Dienol Silyl Ethers Based on Geminal Carbo-Functionalization of Alkynes, H. Kusama, Y. Karibe, R. Imai, Y. Onizawa, H. Yamabe, N. Iwasawa, Chem. Eur. J., 17, 4839 (2011).

 

Platinum(II)-Catalyzed Generation and [3+2] Cycloaddition Reaction of α,β-Unsaturated Carbene Complex Intermediates for the Preparation of Polycylic Compounds, K. Saito, H. Sogou, T. Suga, H. Kusama, N. Iwasawa, J. Am. Chem. Soc., 133, 689 (2011).

 

Synthetic Studies on and Mechanistic Insight into [W(CO)₅(L)]-Catalyzed Stereoselective Construction of Functionalized Bicyclo[5.3.0]decane Frameworks, Y. Onizawa, M. Hara, T. Hashimoto, H. Kusama, N. Iwasawa, Chem. Eur. J., 16, 10785 (2010). (selected as Very Important Paper (VIP))

 

Rhodium-catalyzed Synthesis of γ-Pyrones by Three Consecutive Redox-Aldol Reactions of Allylic Alcohols with α,β-Unsaturated Aldehydes, A. Mizuno, H. Kusama, N. Iwasawa, Chem. Eur. J., 16, 8248 (2010).

 

Enantioselective Preparation of 8-Oxabicyclo[3.2.1]octane Derivatives via Asymmetric [3+2]-Cycloaddition of Platinum-Containing Carbonyl Ylides with Vinyl Ethers, K. Ishida, H. Kusama, N. Iwasawa, J. Am. Chem. Soc., 132, 8842 (2010).

 

Gold-Catalyzed Tandem Cyclization of Dienol-Silyl Ethers for the Preparation of Bicyclo[4.3.0]nonane Derivatives, H. Kusama, Y. Karibe, Y. Onizawa, N. Iwasawa, Angew. Chem. Int. Ed., 49, 4269 (2010).

 

Rhenium(I)-Catalyzed Cyclization of Silyl Enol Ethers Containing a Propargyl Carboxylate Moiety: A Versatile Access to Highly Substituted Phenols, K. Saito, Y. Onizawa, H. Kusama, N. Iwasawa, Chem. Eur. J., 16, 4716 (2010).

 

Pt(II)-Catalyzed Intermolecular [3+2] Cycloaddition Reaction of Propadienyl Silyl Ethers and Alkenyl Ethers, H. Kusama, M. Ebisawa, H. Funami, N. Iwasawa, J. Am. Chem. Soc., 131, 16352 (2009).

 

Rhodium(I)-Catalyzed [4+1] Cycloaddition Reactions of α,β-Unsaturated Imines with Terminal Alkynes for the Preparation of Pyrrole Derivatives, A. Mizuno, H. Kusama, N. Iwasawa, Angew. Chem. Int. Ed., 48, 8318 (2009).

 

Theoretical Study of the Cycloaddition Reaction of a Tungsten-Containing Carbonyl Ylide, K. Ito, Y. Hara, S. Mori, H. Kusama, N. Iwasawa, Chem. Eur. J., 15, 12408 (2009).

 

Efficient Control of π-Alkyne and Vinylidene Pathways for W(CO)₅(L)-Catalyzed Synthesis of Two Types of Nitrogen-Containing Bicyclic Compounds, Y. Onizawa, H. Kusama, N. Iwasawa, J. Am. Chem. Soc., 130, 802 (2008).

 

Synthesis of N-Fused Tricyclic Indoles by a Tandem [1,2] Stevens-Type Rearrangement/ 1,2-Alkyl Migration of Metal-Containing Ammonium Ylides, J. Takaya, S. Udagawa, H. Kusama, N. Iwasawa, Angew. Chem. Int. Ed., 47, 4906 (2008).

 

Platinum(II)-Catalyzed Reaction of γ,δ-Ynones with Alkenes for the Construction of 8-Oxabicyclo[3.2.1]octane Skeletons: Generation of Platinum-Containing Carbonyl Ylides from Acyclic Precursors, H. Kusama, K. Ishida, H. Funami, N. Iwasawa, Angew. Chem. Int. Ed., 47, 4903 (2008).

 

Chelation-Assisted Photochemical Electrocyclization of 3-Alkenyl-2,2’-bipyridines: Efficient Synthesis of Substituted 1,10-Phenanthrolines, A. Takahashi, Y. Hirose, H. Kusama, N. Iwasawa, Chem. Commun., 2008, 609.

 

Synthesis of Naphthalene Derivatives through Platinum(II)-Catalyzed Reaction of 2-Alkynylbenzoates with Vinyl Ethers, H. Kusama, H. Funami, N. Iwasawa, Synthesis, 2007, 2014.

 

W(CO)₅(L)-catalyzed Cyclization of ω-Acetylenic Silyl Enol Ethers for the Preparation of Nitrogen-containing Cyclic Compounds, A. Grandmarre, H. Kusama, N. Iwasawa, Chem. Lett., 36, 66 (2007).

 

Preparation of Substituted Cyclopentadienes through Platinum(II)-catalyzed Cyclization of 1,2,4-Trienes, H. Funami, H. Kusama, N. Iwasawa, Angew. Chem. Int. Ed. 46, 909 (2007).

 

W(CO)₅(L)-catalyzed 6-endo-selective cyclization and formal Cope rearrangement of allenyl silyl enol ethers, T. Miura, K. Kiyota, H. Kusama, N. Iwasawa, J. Organomet. Chem., 692, 562 (2007).

 

W(CO)₅(L)-Catalyzed Tandem Intramolecular Cyclopropanation / Cope Rearrangement for the Stereoselective Construction of Bicyclo[5.3.0]decane Framework, H. Kusama, Y. Onizawa, N. Iwasawa, J. Am. Chem. Soc., 128, 16500 (2006).

 

Intermolecular 1,5-Dipolar Cycloaddition Reaction of Tungsten-Containing Vinyl- Azomethine Ylides Leading to Seven-Membered Heterocycles, H. Kusama, Y. Suzuki, J. Takaya, N. Iwasawa, Org. Lett., 8, 895 (2006).

 

Synthesis of Isochromene Derivatives by 1,6-Addition of Nucleophiles to Benzopyranylidenetungsten Complex, H. Kusama, T. Sawada, A. Okita, F. Shiozawa, N. Iwasawa, Org. Lett., 8, 1077 (2006).

 

Pt(II)- or Au(III)-Catalyzed [3+2] Cycloaddition of Metal-Containing Azomethine Ylides: Highly Efficient Synthesis of Mitosene Skeleton, H. Kusama, Y. Miyashita, J. Takaya, N. Iwasawa, Org. Lett., 8, 289 (2006).

 

Rh(I)-Catalyzed Cyclization of 1-Arylprop-2-yn-1-ol Derivatives Utilizing Rhodium 1,4-Migration, H. Yamabe, A. Mizuno, H. Kusama, N. Iwasawa, J. Am. Chem. Soc., 127, 3248 (2005).

 

W(CO)5(L)-Catalyzed Formal Cope Rearrangement of Allenyl Silyl Enol Ethers, T. Miura, K. Kiyota, H. Kusama, N. Iwasawa, Org. Lett., 7, 1445 (2005).

 

Generation and Reaction of Tungsten-Containing Carbonyl Ylides: [3+2]-Cycloaddition Reaction with Electron-Rich Alkenes, H. Kusama, H. Funami, M. Shido, Y. Hara, J. Takaya, and N. Iwasawa, J. Am. Chem. Soc., 127, 2709 (2005).

 

Rhenium(I)-Catalyzed Intramolecular Geminal Carbo-functionalization of Alkynes: Tandem Cyclization of ω-Acetylenic Dienol Silyl Ethers, H. Kusama, H. Yamabe, Y. Onizawa, T. Hoshino, and N. Iwasawa, Angew. Chem. Int. Ed., 44, 468 (2005).

 

Platinum(II)-Catalyzed Cycloaddition Reaction of 2-Alkynylbenzoates or Benzothioates with Vinyl Ethers: A Concise Method for Synthesis of 1-Acyl-4-alkoxy- or 1-Acyl-4-alkyl- sulfanylnaphthalene Derivatives, H. Kusama, H. Funami, J. Takaya, and N. Iwasawa, Org. Lett., 6, 605 (2004).

 

Isolation and Reaction of (Indolin-3-ylidene)pentacarbonyltungsten Generated from Tungsten-Containing Azomethine Ylide, J. Takaya, H. Kusama, and N. Iwasawa, Chem. Lett., 33, 16 (2004).

 

W(CO)₅(L)-Promoted Cyclization of 1-Iodo-1-alkynes via Iodovinylidene Tungsten Complexes, T. Miura, H. Murata, K. Kiyota, H. Kusama, and N. Iwasawa, J. Mol. Cat. A: Chemical, 213, 59 (2004).

 

Indium-Mediated β-allylation, β-propargylation, and β-allenylation onto α,β-Unsaturated Ketones: Reactions of in-Situ-Generated 3-tert-Butyldimethylsiloxy-alk-2-enylsulfonium Salt with in-Situ-Generated Organoindium Reagents, K. Lee, H. Kim, T. Miura, K. Kiyota, H. Kusama, S. Kim, N. Iwasawa, and P. H. Lee, J. Am. Chem. Soc., 125, 9682 (2003).

 

W(CO)₅(L)-Catalyzed Endo-Selective Cyclization of Allenyl Silyl Enol Ethers: An Efficient Method for the Cyclopentene Annulation onto α,β-Unsaturated Ketones, T. Miura, K. Kiyota, H. Kusama, K. Lee, H. Kim, S. Kim, P. H. Lee, and N. Iwasawa, Org. Lett., 5, 1725 (2003).

 

An Efficient Method for the Cyclopentene Annulation onto α,β-Unsaturated Ketones: W(CO)₅(L) Catalyzed 5-Endo-Dig Cyclization of 6-Siloxy-5-en-1-ynes, N. Iwasawa, T. Miura, K. Kiyota, H. Kusama, K. Lee, and P.H. Lee, Org. Lett., 4, 4463 (2002).

 

A Facile Method for the Synthesis of Polycyclic Indole Derivatives: The Generation and Reaction of Tungsten-Containing Azomethine Ylides, H. Kusama, J. Takaya, and N. Iwasawa, J. Am. Chem. Soc., 124, 11592 (2002).

 

Tandem Cyclizations of Benzopyranylidenetungsten Complexes with Electron-Rich Dienes for Stereoselective Synthesis of Polycyclic Compounds, H. Kusama, F. Shiozawa, M. Shido, and N. Iwasawa, Chem Lett., 2002, 124.

 

W(CO)₅-Amine Catalyzed Exo- and Endo-Selective Cyclizations of ω-Alkynyl Silyl Enol Ethers: A Highly Useful Method for the Construction of Polycyclic Compounds, H. Kusama, H. Yamabe, and N. Iwasawa, Org. Lett., 4, 2569 (2002).

 

A Novel Reaction for Annulation onto α,β-Unsaturated Ketones: W(CO)₅•L Promoted Exo– and Endo-Selective Cyclizations of ω-Acetylenic Silyl Enol Ethers Prepared by 1,4-Addition of Propargyl Malonate to Enones, N. Iwasawa, K. Maeyama, and H. Kusama, Org. Lett., 3, 3871 (2001).

 

Generation and Reaction of Metal-Containing Carbonyl Ylides: Tandem [3+2]-Cycloaddition–Carbene Insertion Leading to Novel Polycyclic Compounds, N. Iwasawa, M. Shido, and H. Kusama, J. Am. Chem. Soc., 123, 5814 (2001).

 

Reactions of Silyl-substituted Fischer-type Carbene Complexes with Silanes, N. Iwasawa, M. Saitou, and H. Kusama, J. Organomet. Chem., 617-618, 741 (2001).

 

Novel Synthesis of Pentacarbonylbenzopyranylidenetungsten(0) Complexes and their Diels-Alder Reaction with Electron-Rich Alkenes, N. Iwasawa, M. Shido, K. Maeyama, and H. Kusama, J. Am. Chem. Soc., 122, 10226 (2000).

 

Enantioselective Total Synthesis of (-)-Taxol, H. Kusama, R. Hara, S. Kawahara, T. Nishimori, H. Kashima, N. Nakamura, K. Morihira, and I. Kuwajima, J. Am. Chem. Soc., 122, 3811 (2000).

 

Cope Rearrangement of Δ3,8-Taxane Tricarbocycles: Remarkable Solvent Effect on Product Distribution, H. Kusama, K. Morihira, T. Nishimori, T. Nakamura, and I. Kuwajima, Tetrahedron Lett., 40, 4235 (1999).

 

Enantioselective Total Synthesis of (+)-Taxusin, R. Hara, T. Furukawa, H. Kashima, H. Kusama, Y. Horiguchi, and I. Kuwajima, J. Am. Chem. Soc., 121, 3072 (1999).

 

Enantioselective Total Synthesis of Taxol, K. Morihira, R. Hara, S. Kawahara, T. Nishimori, N. Nakamura, H. Kusama, and I. Kuwajima, J. Am. Chem. Soc., 120, 12980 (1998).

 

Synthesis and Evaluation of Artificial Taxoids with Antitumor and Multi-Drug Resistance Reversing Activities, K. Morihira, T. Nishimori, H. Kusama, Y. Horiguchi, I. Kuwajima, and T. Tsuruo, Bioorg. Med. Chem. Lett., 8, 2977 (1998).

 

Synthesis of C-Ring Aromatic Taxoids and Evaluation of Their Multi-Drug Resistance Reversing Activity, K. Morihira, T. Nishimori, H. Kusama, Y. Horiguchi, I. Kuwajima, and T. Tsuruo, Bioorg. Med. Chem. Lett., 8, 2973 (1998).

 

Preparations of Furans from a-Bromo Ketones and Enol Ethers Catalyzed by a Rhenium(I) Nitrogen Complex, Y. Koga, H. Kusama, and K. Narasaka, Bull. Chem. Soc. Jpn., 71, 475 (1998).

 

Enantio- and Diastereoselective Synthesis of Allylsilane. A Useful C-Ring Fragment of Taxol. H. Kusama, T. Mori, I. Mitani, H. Kashima, and I. Kuwajima, Tetrahedron Lett., 38, 4129 (1997).

 

Transformation of Oximes of Phenethyl Ketone Derivatives to Quinolines and Azaspiro- trienones Catalyzed by Tetrabutylammonium Perrhenate and Trifluoromethanesulfonic Acid, H. Kusama, Y. Yamashita, K. Uchiyama, and K. Narasaka, Bull. Chem. Soc. Jpn., 70, 965 (1997).

 

Friedel-Crafts Acylation of Arenes Catalyzed by Bromopentacarbonylrhenium(I), H. Kusama and K. Narasaka, Bull. Chem. Soc. Jpn., 68, 2379 (1995).

 

Synthesis of Azaspirodienones via Intramolecular Cyclization of p-Hydroxybenzylacetone Oximes and their Transformation into Quinolines, H. Kusama, K. Uchiyama, Y. Yamashita, and K. Narasaka, Chem. Lett., 1995, 715.

 

Synthesis of Quinolines via Intramolecular Cyclization of Benzylacetone Oxime Derivatives Catalyzed with Tetrabutylammonium Perrhenate and Trifluoromethanesulfonic Acid, H. Kusama, Y. Yamashita, and K. Narasaka, Chem. Lett., 1995, 5.

 

Beckmann Rearrangement of Oximes Catalyzed with Tetrabutylammonium Perrhenate and Trifluoromethanesulfonic Acid, H. Kusama, Y. Yamashita, and K. Narasaka, Bull. Chem. Soc. Jpn., 68, 373 (1995).

 

Beckmann Rearrangement Catalyzed by the Combined Use of Tetrabutylammonium Perrhenate and Trifluoromethanesulfonic Acid, K. Narasaka, H. Kusama, Y. Yamashita, and H. Sato, Chem. Lett., 1993, 489.

 

Rearrangement of Allylic and Propargylic Alcohols Catalyzed by the Combined Use of Tetrabutylammonium Perrhenate and p-Toluenesulfonic Acid, K. Narasaka, H. Kusama, and Y. Hayashi, Tetrahedron, 48, 2059 (1992).

 

Rearrangement of Allylic and Propargylic Alcohols Catalyzed by the Combined Use of Tetrabutylammonium Perrhenate and p-Toluenesulfonic Acid, K. Narasaka, H. Kusama, and Y. Hayashi, Chem. Lett., 1991, 1413.

 

Enantio- and Diastereo-Selective Synthesis of (+)-Grandisol, K. Narasaka, H. Kusama, and Y. Hayashi, Bull. Chem. Soc. Jpn., 64, 1471 (1991).