Origin of Reactivity Difference between Phosphines and Phosphinites in Ru-Catalyzed Phosphorus-Directed sp2C–H Borylation: Mechanistic Study and Improvement of Reaction Conditions

Yuki Homma, Kazuishi Fukuda, Ryoga Ueno, Nobuharu Iwasawa, Jun Takaya

Bulletin of the Chemical Society of Japan　2023/09/15　Research paper (scientific journal)

Merging the Norrish type I reaction and transition metal catalysis: photo- and Rh-promoted borylation of C–C σ-bonds of aryl ketones

Yuki Fujimaki, Nobuharu Iwasawa, Jun Takaya

Chemical Science　2023　Research paper (scientific journal)

Recent progress in transition metal complexes supported by multidentate ligands featuring group 13 and 14 elements as coordinating atoms

Takashi Komuro, Yumiko Nakajima, Jun Takaya, Hisako Hashimoto

Coordination Chemistry Reviews　Vol. 473　p. 214837-214837　2022/12　Research paper (scientific journal)

Photo-promoted Skeletal Rearrangement of o-Anisyldimesitylborane Involving C–H/C–O/C–B Bond Cleavage

Kosuke Hirai, Yuki Homma, Tatsuyoshi Ito, Nobuharu Iwasawa, Jun Takaya

Chemistry Letters　Vol. 51　No. 5　p. 570-573　2022/05/05　Research paper (scientific journal)

Facile synthesis and utilization of bis(o-phosphinophenyl)zinc as isolable PZnP-pincer ligands enabled by boron–zinc double transmetallation

Kazuishi Fukuda, Takuma Harada, Nobuharu Iwasawa, Jun Takaya

Dalton Transactions　2022　Research paper (scientific journal)

Rhodium-Catalyzed Chemoselective Hydrosilylation of Nitriles to an Imine Oxidation Level Enabled by a Pincer-type Group 13 Metallylene Ligand

Jun Takaya, Koki Ogawa, Ryota Nakaya, Nobuharu Iwasawa

ACS Catalysis　Vol. 10　No. 20　p. 12223-12228　2020/10/16　Research paper (scientific journal)

Photo‐promoted Skeletal Rearrangement of Phosphine–Borane Frustrated Lewis Pairs Involving Cleavage of Unstrained C−C σ‐Bonds

Tatsuyoshi Ito, Nobuharu Iwasawa, Jun Takaya

Angewandte Chemie International Edition　Vol. 132　No. 29　p. 12011-12015　2020/07/13　Research paper (scientific journal)

Rh‐Catalyzed Direct Carboxylation of Alkenyl C−H Bonds of Alkenylpyrazoles

Takanobu Saitou, Yushu Jin, Kotaro Isobe, Takuya Suga, Jun Takaya, Nobuharu Iwasawa

Chemistry – An Asian Journal　Vol. 15　No. 13　p. 1941-1944　2020/07　Research paper (scientific journal)

Catalysis using transition metal complexes featuring main group metal and metalloid compounds as supporting ligands

Jun Takaya

Chemical Science　Vol. 12　No. 6　p. 1964-1981　2020　Research paper (scientific journal)

Ruthenium-catalyzed regio- and site-selective ortho C–H borylation of phenol derivatives

Yuki Homma, Kazuishi Fukuda, Nobuharu Iwasawa, Jun Takaya

Chemical Communications　2020　Research paper (scientific journal)

Rhodium‐Catalyzed C−H Activation Enabled by an Indium Metalloligand

Ryosuke Yamada, Nobuharu Iwasawa, Jun Takaya

Angewandte Chemie International Edition　Vol. 58　No. 48　p. 17251-17254　2019/11/25　Research paper (scientific journal)

Stabilized Gallylene in a Pincer‐Type Ligand: Synthesis, Structure, and Reactivity of PGaIP‐Ir Complexes

Narumasa Saito, Jun Takaya, Nobuharu Iwasawa

Angewandte Chemie　Vol. 58　No. 29　p. 9998-10002　2019/07/15　Research paper (scientific journal)

Improved Conditions for the Visible-Light Driven Hydrocarboxylation by Rh(I) and Photoredox Dual Catalysts Based on the Mechanistic Analyses

Jun Takaya

Frontiers in Chemistry　2019/05/22　Research paper (scientific journal)

Ruthenium‐Catalyzed ortho C−H Borylation of Arylphosphines

Kazuishi Fukuda, Nobuharu Iwasawa, Jun Takaya

Angewandte Chemie　Vol. 131　No. 9　p. 2876-2879　2019/02/25　Research paper (scientific journal)

Synthesis, structure, and reactivity of pincer-type iridium complexes having gallyl- and indyl-metalloligands utilizing 2,5-bis(6-phosphino-2-pyridyl)pyrrolide as a new scaffold for metal–metal bonds

Jun Takaya, Mayuko Hoshino, Kanako Ueki, Narumasa Saito, Nobuharu Iwasawa

Dalton Transactions　2019　Research paper (scientific journal)

Synthesis, Structure, and Reactivity of a Mononuclear η2 -(Ge-H)palladium(0) Complex Bearing a PGeP-Pincer-Type Germyl Ligand: Reactivity Differences between Silicon and Germanium

Jun Takaya

European Journal of Inorganic Chemistry　2018/12/13　Research paper (scientific journal)

Synthesis and Reactivity of Iron- and Cobalt-Dinitrogen Complexes Bearing PSiP-Type Pincer Ligands toward Nitrogen Fixation

Imayoshi, R., Nakajima, K., Takaya, J., Iwasawa, N., Nishibayashi, Y.

European Journal of Inorganic Chemistry　No. 32　p. 3769-3778　2017　Research paper (scientific journal)

Synthesis, Structure, and Catalysis of Palladium Complexes Bearing a Group 13 Metalloligand: Remarkable Effect of an Aluminum-Metalloligand in Hydrosilylation of CO2

Takaya, J., Iwasawa, N.

Journal of the American Chemical Society　Vol. 139　No. 17　p. 6074-6077　2017　Research paper (scientific journal)

Metallic reductant-free synthesis of alpha-substituted propionic acid derivatives through hydrocarboxylation of alkenes with a formate salt

Takaya, J., Miyama, K., Zhu, C., Iwasawa, N.

Chemical Communications　Vol. 53　No. 28　p. 3982-3985　2017　Research paper (scientific journal)

Construction of a visible light-driven hydrocarboxylation cycle of alkenes by the combined use of Rh(I) and photoredox catalysts

Murata, K., Numasawa, N., Shimomaki, K., Takaya, J., Iwasawa, N.

Chemical Communications　Vol. 53　No. 21　p. 3098-3101　2017　Research paper (scientific journal)

Mechanistic study of the rhodium-catalyzed carboxylation of simple aromatic compounds with carbon dioxide

Suga, T., Saitou, T., Takaya, J., Iwasawa, N.

Chemical Science　Vol. 8　No. 2　p. 1454-1462　2017　Research paper (scientific journal)

Lecture Tour upon Receiving the 11th Lectureship Award MBLA

Jun Takaya

JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN　Vol. 74　No. 6　p. 638-644　2016/06　Research paper (scientific journal)

Use of Formate Salts as a Hydride and a CO2 Source in PGeP-Palladium Complex-Catalyzed Hydrocarboxylation of Allenes

Chuan Zhu, Jun Takaya, Nobuharu Iwasawa

ORGANIC LETTERS　Vol. 17　No. 7　p. 1814-1817　2015/04　Research paper (scientific journal)

Fluorine-controlled C-H borylation of arenes catalyzed by a PSiN-pincer platinum complex

Jun Takaya, Shisei Ito, Hironori Nomoto, Narumasa Saito, Naohiro Kirai, Nobuharu Iwasawa

CHEMICAL COMMUNICATIONS　Vol. 51　No. 100　p. 17662-17665　2015　Research paper (scientific journal)

Silyl Ligand Mediated Reversible beta-Hydrogen Elimination and Hydrometalation at Palladium

Jun Takaya, Nobuharu Iwasawa

CHEMISTRY-A EUROPEAN JOURNAL　Vol. 20　No. 37　p. 11812-11819　2014/09　Research paper (scientific journal)

Heavier Group 14 Elements-Based Pincer Complexes in Catalytic Synthetic Transformations of Unsaturated Hydrocarbons

Jun Takaya, Nobuharu Iwasawa

Pincer and Pincer-Type Complexes: Applications in Organic Synthesis and Catalysis　p. 229-248　2014/08/25　Part of collection (book)

Mechanistic Studies on the Stereoisomerization between Two Stereoisomeric, Isolable Five-Coordinate Borylpalladium(II) Complexes Bearing a Phenylene-Bridged PSiP-Pincer Type Ligand

Jun Takaya, Naohiro Kirai, Nobuharu Iwasawa

ORGANOMETALLICS　Vol. 33　No. 6　p. 1499-1502　2014/03　Research paper (scientific journal)

Direct carboxylation of simple arenes with CO2 through a rhodium-catalyzed C-H bond activation

Takuya Suga, Hajime Mizuno, Jun Takaya, Nobuharu Iwasawa

CHEMICAL COMMUNICATIONS　Vol. 50　No. 92　p. 14360-14363　2014　Research paper (scientific journal)

PSiP-Pincer Type Palladium-Catalyzed Dehydrogenative Borylation of Alkenes and 1,3-Dienes

Naohiro Kirai, Shoichiro Iguchi, Tatsuyoshi Ito, Jun Takaya, Nobuharu Iwasawa

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN　Vol. 86　No. 7　p. 784-799　2013/07　Research paper (scientific journal)

Palladium(II)-Catalyzed Direct Carboxylation of Alkenyl C-H Bonds with CO2

Kota Sasano, Jun Takaya, Nobuharu Iwasawa

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　Vol. 135　No. 30　p. 10954-10957　2013/07　Research paper (scientific journal)

Development of New Catalytic Synthetic Reactions Utilizing Palladium Complexes Bearing a PSiP-Pincer Type Ligand

Jun Takaya, Nobuharu Iwasawa

JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN　Vol. 71　No. 5　p. 417-424　2013/05　Research paper (scientific journal)

Two reversible σ-bond metathesis pathways for boron-palladium bond formation: Selective synthesis of isomeric five-coordinate borylpalladium complexes

Naohiro Kirai, Jun Takaya, Nobuharu Iwasawa

Journal of the American Chemical Society　Vol. 135　No. 7　p. 2493-2496　2013/02/20　Research paper (scientific journal)

Protonation-Triggered Generation of Acylcobalt Species from Alkyne-[Co-2(CO)(6)] Complexes and Their Reaction with Alkenes

Isao Ooi, Takafumi Sakurai, Jun Takaya, Nobuharu Iwasawa

CHEMISTRY-A EUROPEAN JOURNAL　Vol. 18　No. 46　p. 14618-14621　2012/11　Research paper (scientific journal)

Synthesis, Structure, and Catalytic Activity of Palladium Complexes Bearing a Tridentate PXP-Pincer Ligand of Heavier Group 14 Element (X = Ge, Sn)

Jun Takaya, Shuhei Nakamura, Nobuharu Iwasawa

CHEMISTRY LETTERS　Vol. 41　No. 9　p. 967-969　2012/09　Research paper (scientific journal)

Catalytic, Direct Synthesis of Bis(boronate) Compounds

Jun Takaya, Nobuharu Iwasawa

ACS CATALYSIS　Vol. 2　No. 9　p. 1993-2006　2012/09

Efficient Synthesis of Diborylalkenes from Alkenes and Diboron by a New PSiP-Pincer Palladium-Catalyzed Dehydrogenative Borylation

Jun Takaya, Naohiro Kirai, Nobuharu Iwasawa

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　Vol. 133　No. 33　p. 12980-12983　2011/08　Research paper (scientific journal)

[3+2] Cycloaddition of metal-containing azomethine ylides for highly efficient synthesis of mitosene skeleton

Jun Takaya, Yuichi Miyashita, Hiroyuki Kusama, Nobuharu Iwasawa

TETRAHEDRON　Vol. 67　No. 24　p. 4455-4466　2011/06　Research paper (scientific journal)

Efficient One-to-One Coupling of Easily Available 1,3-Dienes with Carbon Dioxide

Jun Takaya, Kota Sasano, Nobuharu Iwasawa

ORGANIC LETTERS　Vol. 13　No. 7　p. 1698-1701　2011/04　Research paper (scientific journal)

Rhodium(I)-Catalyzed Direct Carboxylation of Arenes with CO2 via Chelation-Assisted C-H Bond Activation

Hajime Mizuno, Jun Takaya, Nobuharu Iwasawa

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　Vol. 133　No. 5　p. 1251-1253　2011/02　Research paper (scientific journal)

Reaction of bis(o-phosphinophenyl)silane with M(PPh3)(4) (M = Ni, Pd, Pt): synthesis and structural analysis of eta(2)-(Si-H) metal(0) and pentacoordinate silyl metal(II) hydride complexes of the Ni triad bearing a PSiP-pincer ligand

Jun Takaya, Nobuharu Iwasawa

DALTON TRANSACTIONS　Vol. 40　No. 35　p. 8814-8821　2011　Research paper (scientific journal)

[4+2] Cycloaddition Reaction of Cyclic Alkyne-{Co-2(CO)(6)} Complexes with Dienes

Nobuharu Iwasawa, Isao Ooi, Kennichi Inaba, Jun Takaya

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION　Vol. 49　No. 41　p. 7534-7537　2010　Research paper (scientific journal)

Bis(o-phosphinophenyl)silane as a Scaffold for Dynamic Behavior of H-Si and C-Si Bonds with Palladium(0)

Jun Takaya, Nobuharu Iwasawa

ORGANOMETALLICS　Vol. 28　No. 23　p. 6636-6638　2009/12　Research paper (scientific journal)

Molybdenum(0)-Promoted Carbonylative Cyclization of o-Haloaryl- and beta-Haloalkenylimine Derivatives by Oxidative Addition of a Carbon(sp(2))-Halogen Bond: Preparation of Two Types of gamma-Lactams

Jun Takaya, Kenichiro Sangu, Nobuharit Iwasawa

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION　Vol. 48　No. 38　p. 7090-7093　2009　Research paper (scientific journal)

Hydrocarboxylation of Allenes with CO2 Catalyzed by Silyl Pincer-Type Palladium Complex

Jun Takaya, Nobuharu Iwasawa

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　Vol. 130　No. 46　p. 15254-+　2008/11　Research paper (scientific journal)

Copper(I)-catalyzed carboxylation of aryl- and alkenylboronic esters

Jun Takaya, Satoshi Tadami, Kazutoshi Ukai, Nobuharu Iwasawa

ORGANIC LETTERS　Vol. 10　No. 13　p. 2697-2700　2008/07　Research paper (scientific journal)

Synthesis, structure, and reactivity of naphthalyne-Co(2)(CO)(6) complexes

Nobuharu Iwasawa, Maiko Otsuka, Satomi Yamashita, Masao Aoki, Jun Takaya

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　Vol. 130　No. 20　p. 6328-+　2008/05　Research paper (scientific journal)

Synthesis of N-fused tricyclic indoles by a tandem [1,2] Stevens-type rearrangement/1,2-alkyl migration of metal-containing ammonium ylides

Jun Takaya, Shuji Udagawa, Hiroyuki Kusama, Nobuharu Iwasawa

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION　Vol. 47　No. 26　p. 4906-4909　2008　Research paper (scientific journal)

Intermolecular addition reaction to alkenes of acylmolybdenum complexes generated by oxidative addition of aryl or alkenyl halides with molybdenum(0) carbonyl complexes

Kenichiro Sangu, Toru Watanabe, Jun Takaya, Nobuharu Iwasawa

SYNLETT　No. 6　p. 929-933　2007/04　Research paper (scientific journal)

Ni(0)-promoted hydroxycarboxylation of 1,2-dienes by reaction with CO2 and O-2

Masao Aoki, Sawa Izumi, Motomu Kaneko, Kazutoshi Ukai, Jun Takaya, Nobuharu Iwasawa

ORGANIC LETTERS　Vol. 9　No. 7　p. 1251-1253　2007/03　Research paper (scientific journal)

Stereoselective synthesis of medium-sized cyclic compounds through the intramolecular Michael-type reaction utilizing alkyne-hexacarbonyldicobalt complex formation

Kennichi Inaba, Jun Takaya, Nobuharu Iwasawa

CHEMISTRY LETTERS　Vol. 36　No. 3　p. 474-475　2007/03　Research paper (scientific journal)

P-505 Efficient Synthesis of Pyrrolo[1,2-a]indole Derivatives Based on [3+2] Cycloaddition of Transition Metal-Containing Azomethine Ylides

Kusama Hiroyuki, Miyashita Yuichi, Takaya Jun, Iwasawa Nobuharu

International Symposium on the Chemistry of Natural Products　Vol. 2006　p. "P-505"　2006/07/23

Bronsted acid-catalyzed Mannich-type reactions in aqueous media

Akiyama, T., Takaya, J., Kagoshima, H.

Advanced Synthesis & Catalysis　Vol. 344　No. 3-4　2002　Research paper (scientific journal)

Mannich-type reaction with trifluoromethylated N,O-hemiacetal: Facile preparation of beta-amino-beta-trifluoromethyl carbonyl compounds

J Takaya, H Kagoshima, T Akiyama

ORGANIC LETTERS　Vol. 2　No. 11　p. 1577-1579　2000/06　Research paper (scientific journal)

One-pot Mannich-type reaction in water: HBF4 catalyzed condensation of aldehydes, amines, and silyl enolates for the synthesis of beta-amino carbonyl compounds

T Akiyama, J Takaya, H Kagoshima

SYNLETT　No. 9　p. 1426-1428　1999/09　Research paper (scientific journal)

Chemoselective activation of aldimine in preference to aldehyde by the combination of BF3 center dot OEt2 and water: Novel catalyst for the Mannich-type reaction

T Akiyama, J Takaya, H Kagoshima

CHEMISTRY LETTERS　No. 9　p. 947-948　1999/09　Research paper (scientific journal)