Dithieno[a,e]pentalenes: Highly Antiaromatic Yet Stable π-Electron Systems without Bulky Substituents
J. Usuba, M. Hayakawa, S. Yamaguchi, A. Fukazawa
Chem. Eur. J. 2021, 27, 1638–1647.
DOI: 10.1002/chem.202004244
Selected as a Hot Paper
Highlighted in a Front Cover & Cover Profile

Before 2018


Negative Fluorescence Anisotropy of Phosphole Oxide-Based Dyes in Nematic Liquid Crystals
T. Ohzono, T. Yatabe, C. Wang, A. Fukazawa, S. Yamaguchi Communications Chemistry, 2018, 1, Article number 52.
DOI: 10.1038/s42004-018-0055-6

End-Capping π-Conjugated Systems with Medium-Sized Sulfur-Containing Rings: A Route Towards Solution-Processable Air-Stable Semiconductors
A. Fukazawa, Y. Toda, M. Hayakawa, A. Sekioka, H. Ishii, T. Okamoto, J. Takeya, Y. Hijikata, S. Yamaguchi
Chem. Eur. J. 2018, 24, 11503–11510.
DOI: 10.1002/chem.201802656
Highlighted in SYNFACTS

Water-Soluble Phospholo[3,2-b]phosphole P,P’-Dioxide-Based Fluorescent Dyes with High Photostability
C. Wang, A. Fukazawa, Y. Tanabe, N. Inai, D. Yokogawa, S. Yamaguchi
Chem. Asian J. 2018, 13, 1616–1624.
DOI: 10.1002/asia.201800533

Near Infrared Two-Photon-Excited and -Emissive Dyes Based on a Strapped Excited-State Intramolecular Proton-Transfer (ESIPT) Scaffold
N. Suzuki, K. Suda, D. Yokogawa, H. Kitoh-Nishioka, S. Irle, A. Ando, L. M. G. Abegão, K. Kamada, A. Fukazawa, S. Yamaguchi
Chem. Sci. 20189, 2666–2673.
DOI: 10.1039/C8SC00066B
Highlighted in an Inside Back Cover


Uncovering Different States of Topological Defects in Schlieren Textures of a Nematic Liquid Crystal
T. Ohzono, K. Katoh, C. Wang, A. Fukazawa, S. Yamaguchi, J.-i. Fukuda
Sci. Rep. 20177, 16814.
DOI: 10.1038/s41598-017-16967-1
Ranked in the top 100 read physics papers for Scientific Reports in 2017 (among more than 3000 papers)

Photochemical Intramolecular C–H Addition of Dimesityl(hetero)arylboranes via a [1,6]-Sigmatropic Rearrangement
N. Ando, A. Fukazawa, T. Kushida, Y. Shiota, S. Itoyama, K. Yoshizawa, Y. Matsui, Y. Kuramoto, H. Ikeda, S. Yamaguchi
Angew. Chem. Int. Ed. 2017,56, 12210–12214.
DOI: 10.1002/anie.201706929

A Super-Photostable Phosphole-Based Dye for Multiple-Acquisition STED Imaging
C. Wang, M. Taki, Y. Sato, A. Fukazawa, T. Higashiyama, S. Yamaguchi
J. Am. Chem. Soc. 2017139, 10374–10381.
DOI: 10.1021/jacs.7b04418
Press release (Nagoya University)
Highlighted in web (日本の研究.com, Optronics Online)

Synthesis of Seminaphtho-Phospha-Fluorescein Dyes Based on Consecutive Arylation of Aryldichlorophosphines
A. Fukazawa, J. Usuba, R. A. Adler, S. Yamaguchi
Chem. Commun. 201753, 8565–8568.
DOI: 10.1039/C7CC04323F

Structures and Physical Properties of Chemically Reduced Diindenosiloles and Their π-Extended Derivatives
R. Takano, R. Shintani, A. Fukazawa, S. Yamaguchi, K. Nakabayashi, S.-i. Ohkoshi, K. Nozaki
Organometallics 201736, 2646–2653.
DOI: 10.1021/acs.organomet.7b00260

A New Infrared Dye that Undergoes Multiple Interconversions through Acid-Base Equilibria and Reversible Redox Processes
K. Asai, A. Fukazawa, S. Yamaguchi
Angew. Chem. Int. Ed. 201756, 6848–6852.
DOI: 10.1002/anie.201702140

Tuning the Photophysical Properties of Photostable Benzo[b]phosphole P-Oxide-Based Fluorophores
R. A. Adler, C. Wang, A. Fukazawa, S. Yamaguchi
Inorg. Chem. 201756, 8718–8725.
DOI: 10.1021/acs.inorgchem.7b00658

Synthesis and Physical Properties of Strained Doubly Phosphorus-Bridged Biaryls and Viologens
T. W. Greulich, E. Yamaguchi, C. Doerenkamp, C. G. Daniliuc, A. Fukazawa, H. Eckert, S. Yamaguchi, A. Studer
Chem. Eur. J. 201723, 6029–6033.
DOI: 10.1002/chem.201605272

Facile Synthesis of Polycyclic Pentalenes with Enhanced Hückel Antiaromaticity
H. Oshima, A. Fukazawa, S. Yamaguchi
Angew. Chem. Int. Ed. 201756, 3270–3274.
DOI: 10.1002/anie.201611344
Highlighted in a Back Cover
Highlighted in SYNFACTS


Stable Red-Emissive Cationic Dithienotropylium Dyes
K. Asai, A. Fukazawa, S. Yamaguchi
Chem. Eur. J. 2016, 22, 17571–17575.
DOI: 10.1002/chem.201604509

A Macrocyclic Fluorophore Dimer with Flexible Linkers: Bright Excimer Emission with Long Fluorescence Lifetime
H. Osaki, C.-M. Chou, M. Taki, K. Welke, D. Yokogawa, S. Irle, Y. Sato, T. Higashiyama, S. Saito, A. Fukazawa, S. Yamaguchi
Angew. Chem. Int. Ed. 201655, 7131–7315.
DOI: 10.1002/anie.201602239
Highlighted as a Hot Paper

A Biphenyl Containing Two Electron-Donating and Two Electron-Accepting Moieties: A Rigid and Small Donor–Acceptor–Donor Ladder System
T. W. Greulich, N. Suzuki, C. G. Daniliuc, A. Fukazawa, E. Yamaguchi, A. Studer, S. Yamaguchi
Chem. Commun. 201652, 1120–1123.
DOI: 10.1039/C5CC03063C
Highlighted in SYNFACTS

Phospha-fluorescein: A Red-Emissive Fluorescein Analogue with High Photobleaching Resistance
A. Fukazawa, S. Suda, M. Taki, E. Yamaguchi, M. Grzybowski, Y. Sato, T. Higashiyama, S. Yamaguchi
Chem. Commun. 201652, 1120–1123.
DOI: 10.1039/C5CC09345G
Highlighted as a Cover Picture


A Phosphole Oxide Based Fluorescence Dye with Exceptional Resistance to Photobleaching: A Practical Tool for Continuous Imaging in STED Microscopy
C. Wang, A. Fukazawa, M. Taki, Y. Sato, T. Higashiyama, S. Yamaguchi
Angew. Chem. Int. Ed. 201554, 15213–15217.
DOI: 10.1002/anie.201507939
Press release (Nagoya University)
Highlighted in a newspaper (日経産業新聞) and websites (日本の研究.com, Alpha Galileo JP, EurekAlert!JP, Optronics Online, BioOptics, asia RESEACH NEWS)
超耐光性蛍光色素として市販化(2017年9月発売, 商品名 C-Naphox-TEG, 東京化成工業株式会社)

A Benzophosphole P-Oxide with an Electron-Donating Group at 3-Position: Enhanced Fluorescence in Polar Solvents
E. Yamaguchi, A. Fukazawa, Y. Kosaka, D. Yokogawa, S. Irle, S. Yamaguchi
Bull. Chem. Soc. Jpn. 201588, 1545–1552.
DOI: 10.1246/bcsj.20150238
Selected Paper in Issue 11, 2015

A Red-emitting Ratiometric Fluorescent Probe Based on a Benzophosphole P-oxide Scaffold for the Detection of Intracellular Sodium Ions
M. Taki, H. Ogasawara, H. Osaki, A. Fukazawa, Y. Sato, K. Ogasawara, T. Higashiyama, S. Yamaguchi
Chem. Commun. 201551, 11880–11883.
DOI: 10.1039/C5CC03547C

A Nonaromatic Thiophene-fused Heptalene and Its Aromatic Dianion
H. Oshima, A. Fukazawa, T. Sasamori, S. Yamaguchi
Angew. Chem. Int. Ed. 2015, 54, 7636–7639.
DOI: 10.1002/anie.201501790

A Cyclic Octithiophene Containing β,β’-Linkages
K. Asai, A. Fukazawa, S. Yamaguchi
Chem. Commun. 201551, 6096–6099.
DOI: 10.1039/C5CC00570A

Environment-Sensitive Fluorescent Probe: A Benzophosphole Oxide with an Electron-Donating Substituent
E. Yamaguchi, C. Wang, A. Fukazawa, M. Taki, Y. Sato, T. Sasaki, M. Ueda, N. Sasaki, T. Higashiyama, S. Yamaguchi
Angew. Chem. Int. Ed. 201554, 4539–4543.
DOI: 10.1002/anie.201500229
Highlighted in an Inside Cover
高感度な脂肪滴ライブセルイメージング色素として市販化(2016年7月発売, 商品名LipiDye, フナコシ株式会社)


A Strap Strategy for Construction of an Excited-State Intramolecular Proton Transfer (ESIPT) System with Dual Fluorescence
N. Suzuki, A. Fukazawa, K. Nagura, S. Saito, H. Kitoh-Nishioka, D. Yokogawa, S. Irle, S. Yamaguchi
Angew. Chem. Int. Ed. 201453, 8231–8235.
DOI: 10.1002/anie.201404867

Dearomatization-Induced Transannular Cyclization: Synthesis of Electron-Accepting Thiophene-S,S-Dioxide-Fused Biphenylene
A. Fukazawa, H. Oshima, S. Shimizu, N. Kobayashi, S. Yamaguchi
J. Am. Chem. Soc. 2014136, 8738–8745.
DOI: 10.1021/ja503499n
Highlighted in SYNFACTS

The B(C6F5)3Boron Lewis Acid Route to Arene-Annulated Pentalenes
C. Chen, M. Harhausen, A. Fukazawa, S. Yamaguchi, R. Fröhlich, C. G. Daniliuc, J. L. Petersen, G. Kehr, G. Erker
Chem. Asian J. 20149, 1671–1681.
DOI: 10.1002/asia.201400096

Synthesis of Pyridine N-Oxide-BF2CF3Complexes and Their Fluorescence Properties
T. Nishida, A. Fukazawa, E. Yamaguchi, H. Oshima, S. Yamaguchi, M. Kanai, Y. Kuninobu
Chem. Asian J. 20149, 1026–1030.
DOI: 10.1002/asia.201301688

Hydroxyphenyl-Substituted Benzophosphole Oxides: Impact of the Intramolecular Hydrogen Bond on the Fluorescence Properties
A. Fukazawa, H. Osaki, S. Yamaguchi
Asian J. Org. Chem. 20143, 122–127.
DOI: 10.1002/ajoc.201300227
Highlighted as a Cover Picture
Highlighted in ChemistryViews (Wiley-VCH)


Diarylated Bi(thieno[2,3-c]thiophene)s: A Ring-fusing Strategy for Controlling the Molecular Alignment of Oligoarenes
A. Fukazawa, D. Kishi, Y. Tanaka, S. Seki, S. Yamaguchi
Angew. Chem. Int. Ed. 201352, 12091–12095.
DOI: 10.1002/anie.201306323

Photochemical Double 5-exodig Cyclization of Alkenyl-substituted Dithienylacetylenes: Efficient Synthesis of Diarylated Dithienofulvalenes
A. Fukazawa, T. Karasawa, H. Zhang, K. Minemura, C. Camacho, J. Wang, S. Irle, S. Yamaguchi
Angew. Chem. Int. Ed. 201352, 10519–10523.
DOI: 10.1002/anie.201303738

Dibenzopentalenes by B(C6F5)3Induced Cyclization Reactions of 1,2-Bis(phenylethynyl)benzenes
C. Chen, M. Harhausen, R. Liedtke, K. Bussmann, A. Fukazawa, S. Yamaguchi, J. L. Petersen, C. G. Daniliuc, R. Fröhlich, G. Kehr, G. Erker
Angew. Chem. Int. Ed. 201352, 5992–5996.
DOI: 10.1002/anie.201300871
Highlighted in SYNFACTS

S-Pechmann Dye: A Thiolactone-Containing Organic Dye with Pronounced Electron-Accepting Character and Its Solid-State Photophysical Properties
A. Fukazawa, M. Adachi, K. Nakakura, S. Saito, S. Yamaguchi
Chem. Commun. 201349, 7117–7119.
DOI: 10.1039/C3CC41007B
Highlighted in a Back Cover

Thiophene-Fused Bisdehydro[12]annulene That Undergoes Transannular Alkyne Cycloaddition by Either Light or Heat
A. Fukazawa, H. Oshima, Y. Shiota, S. Takahashi, K. Yoshizawa, S. Yamaguchi
J. Am. Chem. Soc. 2013135, 1731–1734.
DOI: 10.1021/ja3126849
Highlighted in SYNFACTS

Sequential Electrophilic and Photochemical Cyclizations from Bis(bithienyl)acetylene to a Tetrathienonaphthalene Core
C. Dou, S. Saito, L. Gao, N. Matsumoto, T. Karasawa, H. Zhang, A. Fukazawa, S. Yamaguchi
Org. Lett. 201315, 80–83.
DOI: 10.1021/ol303107y


Reaction of Pentaarylboroles with Carbon Monoxide: An Isolable Organoboron Carbonyl Complex
A. Fukazawa, J. L. Dutton, C. Fan, L. G. Mercier, A. Y. Houghton, Q. Wu, W. E. Piers, M. Parvez
Chem. Sci. 20123, 1814–1818.
DOI: 10.1039/C2SC20336G

Electron-Donating Tetrathienyl-Substituted Borole
T. Araki, A. Fukazawa, S. Yamaguchi
Angew. Chem. Int. Ed. 2012,51, 5484–5487.
DOI: 10.1002/anie.201201156

Combined Experimental and Theoretical Studies on the Photophysical Properties of Cycloparaphenylenes
Y. Segawa, A. Fukazawa, S. Matsuura, H. Omachi, S. Yamaguchi, S. Irle, K. Itami
Org. Biomol. Chem. 201210, 5979–5984.
DOI: 10.1039/C2OB25199J

Synthesis and Photophysical Properties of Aryl Substituted 2-Borylbenzaldimines and their Extended π-Conjugated Congeners
B. Neue, R. Fröhlich, B. Wibbeling, A. Fukazawa, A. Wakamiya, S. Yamaguchi, E.-U. Würthwein
J. Org. Chem. 201277, 2176–2184.
DOI: 10.1021/jo202212s


Bis(phosphoryl)-bridged Biphenyls by Radical Phosphanylaion: Synthesis, Photophysical and Electrochemical Properties
A. Bruch, A. Fukazawa, E. Yamaguchi, S. Yamaguchi, A. Studer
Angew. Chem. Int. Ed. 2011, 50, 12094–12098.
DOI: 10.1002/anie.201104114

Synthesis and Structures of a Series of Bulky “Rind-Br” Based on a Rigid Fused-Ring s-Hydrindacene Skeleton
T. Matsuo, K. Suzuki, T. Fukawa, B. Li, M. Ito, Y. Shoji, T. Otani, L. Li, M. Kobayashi, M. Hachiya, Y. Tahara, D. Hashizume, T. Fukunaga, A. Fukazawa, Y. Li, H. Tsuji, K. Tamao
Bull. Chem. Soc. Jpn.201184, 1178–1191.
DOI: 10.1246/bcsj.20110090
Selected as the BCSJ Award Article in Nov. 2011 & Cover Picture

Zwitterionic Ladder Stilbenes with Phosphonium and Borate-Bridges: Intramolecular Cascade Cyclization and Structure-Photophysical Properties Relationship
A. Fukazawa, E. Yamaguchi, E. Ito, H. Yamada, J. Wang, S. Irle, S. Yamaguchi
Organometallics 201130, 3870–3879.
DOI: 10.1021/om200453w

Phosphine Sulfides as an Anchor Unit for Single Molecule Junction
A. Fukazawa, M. Kiguchi, S. Tange, Y. Ichihashi, Q. Zhao, T. Takahashi, T. Konishi, K. Murakoshi, Y. Tsuji, A. Staykov, K. Yoshizawa, S. Yamaguchi
Chem. Lett. 2011, 40, 174–176.
DOI: 10.1246/cl.2011.174
Selected as Editor’s Choice


Intense Fluorescence of 1-Aryl-2,3,4,5-tetraphenylphosphole Oxides in the Crystalline State
A. Fukazawa, Y. Ichihashi, S. Yamaguchi
New J. Chem. 2010,34, 1537–1540. (Themed Issue: Main Group Chemistry)
DOI: 10.1039/c0nj00155d
Highlighted as an Inside Front Cover

Thiophene-Fused Phospholo[3,2-b]phospholes and Their Dichalcogenides: Synthesis and Structure-Photophysical Properties Relationships
A. Fukazawa, T.-a. Murai, L. Li, Y. Chen, S. Yamaguchi
C. R. Chimie 201013, 1082–1090. (Special issue: Phosphorus Chemistry Today)
DOI: 10.1016/j.crci.2010.04.021

Zwitterionic Ladder Bis(arylethenyl)benzenes with Large Two-Photon Absorption Cross Sections
A. Fukazawa, H. Yamada, Y. Sasaki, S. Akiyama, S. Yamaguchi
Chem. Asian J. 20105, 466–469.
DOI: 10.1002/asia.200900517
Most accessed articles in 01/2010


Benzo[b]phosphole-Containing π-Electron Systems: Synthesis Based on an Intramolecular trans-Halophosphanylation and Some Insights into Their Properties
A. Fukazawa, Y. Ichihashi, Y. Kosaka, S. Yamaguchi
Chem. Asian J. 20094, 1729–1740.
DOI: 10.1002/asia.200900303
Most accessed articles in 10/2009

Structural Modification of Silicon-Bridged Ladder Stilbene Oligomers and Distyrylbenzenes
H. Yamada, C. Xu, A. Fukazawa, A. Wakamiya, S. Yamaguchi
Macro. Chem. Phys.2009,210, 904–916.
DOI: 10.1002/macp.200900037


Phosphonium and Borate-Bridged Zwitterionic Ladder Stilbene and Its Extended Analogues
A. Fukazawa, H. Yamada, S. Yamaguchi
Angew. Chem. Int. Ed. 200847, 5582–5585.
DOI: 10.1002/anie.200801834
Highlighted in SYNFACTS

Bis-Phosphoryl-Bridged Stilbenes Synthesized by an Intramolecular Cascade Cyclization
A. Fukazawa, M. Hara, T. Okamoto, E.-C. Son, C. Xu, K. Tamao, S. Yamaguchi
Org. Lett. 200810, 913–916.
DOI: 10.1021/ol7030608

By 2007

Coplanar Oligo(p-phenylenedisilenylene)s Based on the Octaethyl-Substituted s-Hydrindacenyl Groups
A. Fukazawa, Y. Li, S. Yamaguchi, H. Tsuji, K. Tamao
J. Am. Chem. Soc. 2007129, 14164–14165.
DOI: 10.1021/ja0764207

Skeletal Rearrangement of a Bicyclic 1,3-Diphenyltrisilane during Acid-Induced Dephenylation Reactions
A. Fukazawa, H. Tsuji, K. Tamao
Silicon Chemistry 20073, 157–163.
DOI: 10.1007/s11201-006-9022-7

all-anti-Octasilane: Conformation Control of Silicon Chains Using the Robust Bicyclic Trisilane as the Building Block
A. Fukazawa, H. Tsuji, K. Tamao
J. Am. Chem. Soc. 2006128, 6800–6801.
DOI: 10.1021/ja0616231

All-anti Pentasilane: Conformation Control of Oligosilanes Based on Bis(tetramethylene)-tethered Trisilane Unit
H. Tsuji, A. Fukazawa, S. Yamaguchi, A. Toshimitsu, K. Tamao
Organometallics 200423, 3375–3377.
DOI: 10.1021/om049695t