研究業績 | 東京工業大学理学院化学系 鷹谷研究室

発表論文・著書

2023

Reversible Boron-Insertion into Aromatic C–C Bonds
K. Kuroki, T. Ito, and J. Takaya
Angew. Chem. Int. Ed., e202312980 (2023). (Open Access)



Origin of Reactivity Difference between Phosphines and Phosphinites in Ru-Catalyzed Phosphorus-Directed sp2C–H Borylation: Mechanistic Study and Improvement of Reaction Conditions
Y. Homma, K. Fukuda, R. Ueno, N. Iwasawa, and J. Takaya
Bull. Chem. Soc. Jpn., 96, 842 (2023).



Merging the Norrish type I reaction and transition metal catalysis: photo- and Rh-promoted borylation of C–C σ-bonds of aryl ketones
Y. Fujimaki, N. Iwasawa, J. Takaya
Chem. Sci., 14, 1960 (2023).



本論文はFront Coverに採用されました。



2022

Recent progress in transition metal complexes supported by multidentate ligands featuring group 13 and 14 elements as coordinating atoms
T. Komuro, Y. Nakajima, J. Takaya, H. Hashimoto
Coordin. Chem. Rev., 473, 214837 (2022).



Facile Synthesis and Utilization of Bis(o-phosphinophenyl)zinc as Isolable PZnP-pincer Ligands Enabled by Boron-Zinc Double Transmetallation
K. Fukuda, T. Harada, N. Iwasawa, J. Takaya
Dalton Trans., 51, 7035 (2022).



Photo-promoted Skeletal Rearrangement of o-Anisyldimesitylborane Involving C–H/C–O/C–B Bond Cleavage
K. Hirai, Y. Homma, T. Ito, N. Iwasawa, J. Takaya
Chem. Lett., 51, 570 (2022).



2021

Catalysis of Transition Metal Complexes Featuring Main Group Metal and Metalloid Compounds as Supporting Ligands
J. Takaya
Chem. Sci., 12, 1964 (2021).



2020

Rhodium-Catalyzed Chemoselective Hydrosilylation of Nitriles to an Imine Oxidation Level Enabled by a Pincer-type Group 13 Metallylene Ligand
J. Takaya, K. Ogawa, R. Nakaya, and N. Iwasawa
ACS Catal., 10, 12223 (2020).



Ruthenium-catalyzed regio- and site-selective ortho C–H borylation of phenol derivatives
Y. Homma, K. Fukuda, N. Iwasawa, J. Takaya
Chem. Commun., 56, 10710 (2020).



Photo-promoted Skeletal Rearrangement of Phosphine-Borane Frustrated Lewis Pairs Involving Cleavage of Unstrained C–C s-Bonds
T. Ito, N. Iwasawa, J. Takaya
Angew. Chem. Int. Ed., 59, 11913 (2020).



Rh‐Catalyzed Direct Carboxylation of Alkenyl C−H Bonds of Alkenylpyrazoles
T. Saitou, Y. Jin, K. Isobe, T. Suga, J. Takaya, N. Iwasawa
Chem. Asian J., 15, 1941-1944 (2020)


2019

Rhodium-Catalyzed C-H Activation Enabled by an Indium Metalloligand
R. Yamada, N. Iwasawa and J. Takaya
Angew. Chem. Int. Ed., 58, 17251-17254 (2019)



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
J. Takaya, M. Hoshino, K. Ueki, N. Saito and N. Iwasawa
Dalton Trans., 48, 14606-14610 (2019)



Improved Conditions for the Visible-Light Driven Hydrocarboxylation by Rh(I) and Photoredox Dual Catalysts Based on the Mechanistic Analyses
K. Murata, N. Numasawa, K. Shimomaki, J. Takaya and N. Iwasawa
Frontiers in Chemistry, 7, 371 (2019)


Stabilized Gallylene in a Pincer‐Type Ligand: Synthesis, Structure, and Reactivity of PGaIP‐Ir Complexes
N. Saito, J. Takaya, and N. Iwasawa
Angew. Chem. Int. Ed., 58, 9998-10002 (2019)



Ruthenium-Catalyzed ortho C–H Borylation of Arylphosphines
K. Fukuda, N. Iwasawa, and J. Takaya
Angew. Chem. Int. Ed., 58, 2850-2853 (2019)



2018

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
J. Takaya, and N. Iwasawa
Eur. J. Inorg. Chem., 5012-5018 (2018)


2017

Synthesis, Structure, and Catalysis of Palladium Complexes Bearing a Group 13 Metalloligand: Remarkable Effect of an Aluminum-Metalloligand in Hydrosilylation of CO2
J. Takaya, and N. Iwasawa
J. Am. Chem. Soc., 139, 6074-6077 (2017)



Synthesis and Reactivity of Iron– and Cobalt–Dinitrogen Complexes Bearing PSiP-Type Pincer Ligands toward Nitrogen Fixation
R. Imayoshi, K. Nakajima, J. Takaya, N. Iwasawa, and Y. Nishibayashi
Eur. J. Inorg. Chem., 3769-3778 (2017)

Metallic reductant-free synthesis of α-substituted propionic acid derived through hydrocarboxylaion of alkenes with formate salt
J. Takaya, K. Miyama, C. Zhu, and N. Iwasawa
Chem. Commun., 53, 3982-3985 (2017)

Construction of a Visible Light-Driven Hydrocarboxylation Cycle of Alkenes by the Combined Use of Rh(I) and Photoredox Catalysts
K. Murata, N. Numasawa, K. Shimomaki, J. Takaya, and N. Iwasawa
Chem. Commun., 53, 3098-3101 (2017)

Mechanistic study of the rhodium-catalyzed carboxylation of simple aromatic compounds with carbon dioxide
T. Suga, T. Saitou, J. Takaya, and N. Iwasawa

Chem. Sci., 8, 1454-1462 (2017)

その他,代表的なもの

Fluorine-controlled C-H borylation of arenes catalyzed by a PSiN-pincer platinum complex
J. Takaya, S. Ito, H. Nomoto, N. Saito, N. Kirai and N. Iwasawa
Chem. Commun., 51, 17662-17665 (2015).

Use of Formate Salts as a Hydride and a CO2 Source in PGeP-Palladium Complex-Catalyzed Hydrocarboxylation of Allenes
C. Zhu, J. Takaya, and N. Iwasawa
Org. Lett., 17, 1814-1817 (2015).

Silyl Ligand-Mediated Reversible beta-Hydrogen Elimination and Hydrometallation at Palladium
J. Takaya, and N. Iwasawa
Chem. Eur. J., 20, 11812-11819 (2014).

Mechanistic Studies on the Stereoisomerization Between Two Stereoisomeric, Isolable Five-Coordinate Borylpalladium(II) Complexes Bearing a Phenylene-Bridged PSiP-Pincer Type Ligand
J. Takaya, N. Kirai, and N. Iwasawa
Organometallics, 33, 1499-1502 (2014)

PSiP-Pincer Type Palladium-Catalyzed Dehydrogenative Borylation of Alkenes and 1,3-Dienes
N. Kirai, S. Iguchi, T. Ito, J. Takaya, and N. Iwasawa
Bull. Chem. Soc. Jpn., 86, 784-799 (2013)

Two Reversible σ-bond Metathesis Pathways for Boron-Palladium Bond Formation: Selective Synthesis of Isomeric Five-coordinate Borylpalladium Complexes
N. Kirai, J. Takaya, and N. Iwasawa
J. Am. Chem. Soc., 135, 2493-2496 (2013)

Synthesis, Structure, and Catalytic Activity of Palladium Complexes Bearing a Tridentate PXP-Pincer Ligand of Heavier Group 14 Element (X=Ge, Sn)
J. Takaya, S. Nakamura, and N. Iwasawa
Chem. Lett., 41, 967-969 (2012).

Efficient Synthesis of Diborylalkenes from Alkenes and Diboron by a New PSiP-Pincer Palladium-Catalyzed Dehydrogenative Borylation
J. Takaya, N. Kirai, N. Iwasawa
J. Am. Chem. Soc., 133, 12980-12983 (2011).

Reaction of bis(o-phosphinophenyl)silane with M(PPh3)4 (M = Ni, Pd, Pt): synthesis and structural analysis of η2-(Si-H) metal(0) and pentacoordinate silyl metal(II) hydride complexes of the Ni triad bearing a PSiP-pincer ligand
J. Takaya, N. Iwasawa
Dalton Trans., 40, 8814-8821 (2011).

Efficient One-to-One Coupling of Easily Available 1,3-Dienes with Carbon Dioxide
J. Takaya, K. Sasano, N. Iwasawa
Org. Lett. 13, 1698-1701 (2011).

Bis(o-phosphinophenyl)silane as a Scaffold for Dynamic Behavior of H-Si and C-Si Bonds with Palladium(0)
J. Takaya, N. Iwasawa
Organometallics, 28, 6636-6638 (2009).

Molybdenum(0)-Promoted Carbonylative Cyclization of o-Haloaryl- and β-Haloalkenylimine Derivatives by Oxidative Addition of a Carbon(sp2)-Halogen Bond: Preparation of Two Types of γ-Lactams
J. Takaya, K. Sangu, N. Iwasawa
Angew. Chem. Int. Ed. 48, 7090-7093 (2009).

Hydrocarboxylation of Allenes with CO2 Catalyzed by Silyl Pincer-Type Palladium Complex
J. Takaya, N. Iwasawa
J. Am. Chem. Soc. 130, 15254 (2008).

代表的な著書

ピンサー型錯体を用いる有機合成反応の新展開
鷹谷 絢,岩澤 伸治
カレントレビュー「高機能性金属錯体が拓く触媒科学」, 37, 40 (2020).(分著)

Heavier Group 14 Elements-Based Pincer Complexes in Catalytic Synthetic Transformations of Unsaturated Hydrocarbons
J. Takaya, N. Iwasawa
In Pincer and Pincer-type Complexes; Application in Organic Synthesis and Catalysis, Wiley-VCH publishers, 229-247 (2014).(分著)