2020-

2020
(229) “Time-dependent DFT study of K-edge spectra for vanadium and titanium complexes: Effects of chloride ligands on pre-edge features”
J. Yi, N. Nakatani, K. Nomura, M. Hada
Phys. Chem. Chem. Phys.22, 674-682 (2020).

(230) “Synthesis of ultrahigh molecular weight polymers containing reactive functionality with low PDIs by polymerizations of long-chain α-olefins in the presence of their nonconjugated dienes by Cp*TiMe2(O-2,6-iPr2C6H3)–borate catalyst”
K. Nomura, S. Pengoubol, W. Apisuk
Polymers12, 3 (2020).  Special issue “Catalytic Polymerization” dedicated to Prof. Tritto.

(231) “(Arylimido)niobium(V)-alkylidenes, Nb(CHSiMe3)(NAr)[OC(CF3)3](PMe3)2, that enable to proceed living metathesis polymerization of internal alkynes”
I. Izawa, K. Nomura
Macromolecules53, 5266-5279 (2020).

(232) “Cis-Specific ring opening metathesis polymerisation (ROMP) of cyclic olefins by (pentafluorophenylimido)vanadium(V)-alkylidene,V(CHSiMe3)(NC6F5)[OC(CF3)3](PMe3)2
K. Nomura, S. Chaimongkolkunasin
Catal. Sci. Technol.10, 5840-5846 (2020).  Inside back cover article

(233) “Synthesis of bio-based long chain polyesters by acyclic diene metathesis (ADMET) polymerization and tandem hydrogenation, and depolymerization with ethylene”
K. Nomura, P. Chaijaroen, M. M. Abdellatif
ACS Omega5, 18301-18312 (2020).

(234) “Phenoxide-modified half-titanocenes supported on star-shaped ROMP polymers as efficient catalyst precursors for ethylene copolymerization”
Z. Sun, P. Unruean, H. Aoki, B. Kitiyanan, K. Nomura
Organometallics39, 2998-3009 (2020). Front cover article (Editor invitation)

(235) “Synthesis of cyclic olefin copolymers (COCs) by ethylene copolymerisations with cyclooctene, cycloheptene, and with tricyclo[6.2.1.0(2,7)]undeca-4-ene: Effect of cyclic monomer structures on thermal properties”
H. Harakawa, M. Okabe, K. Nomura
Polym. Chem., 11, 5590-5600 (2020). Backside cover article 

(236) “Effect of SiMe3, SiEt3 para-substituents for exhibiting high activity, introduction of hydroxy group in ethylene copolymerization catalyzed by phenoxide-modified half-titanocenes”
S. Kitphaitun, Q. Yan, K. Nomura
Angew. Chem. Int. Ed.59, 23072-23076 (2020).  

(237) “Synthesis, structural analysis of four coordinate (arylimido)Niobium(V) dimethyl complexes containing phenoxide ligand: MAO-Free ethylene polymerization by the cationic Nb(V)–methyl complex”
K. Koide, J. Yi, M. Kuboki, S. Yamazoe, N. Nakatani, K. Nomura
Organometallics39, 3742-3758 (2020).

(238) “Norbornene-functionalized plant oils for bio-based thermoset films and binders of silicon-graphite composite electrodes”
D. Le, C. Samart, J.-T. Lee, K. Nomura, S. Kongparakul, S. Kiatkamjornwong
ACS Omega5, 29678-29687 (2020).

(239) “Observation of intramolecular interaction in fluorescent star-shaped polymers: Evidence for energy hopping between branch chains”
M. Asano, T. Morita, T. Miwata, K. Nomura
J. Phys. Chem. B124, 11510-11518 (2020).

 

2021
(240) “Synthesis of amorphous ethylene copolymers with 2-vinylnaphthalene, 4-vinylbiphenyl and 1-(4-vinylphenyl)naphthalene”
H. Aoki, K. Nomura
Macromolecules54, 83-93 (2021).

(241) “Theoretical study of reaction mechanism for half-titanocene-catalyzed styrene polymerization, ethylene polymerization, and styrene-ethylene copolymerization: Roles of the neutral Ti(III) and the cationic Ti(IV) species”
J. Yi, N. Nakatani, N. Tomotsu, K. Nomura, M. Hada
Organometallics40, 643-653 (2021).

(242) “Synchronization in chirogenesis: Co-colloids of p-conjugated homopolymers with helical Si-Si bond copolymers in optofluidic media”
M. Fujiki, S. Okazaki, N. A. Abdul Rahim, T. Yamada, K. Nomura
Symmetry13, 594 (2021). Special issue (invitation), Chiral Auxiliaries and Chirogenesis II

(243) “Ethylene copolymerization with limonene, β-pinene: New bio-based polyolefins prepared by coordination polymerization”
K. Kawamura, K. Nomura
Macromolecules54, 4693-4703 (2021).

(244) “Ring opening metathesis polymerization (ROMP) of norbornenes by
(arylimido)niobium(V)-alkylidene catalysts, Nb(CHSiMe3)(NAr)[OC(CF3)3](PMe3)2
K. Chatchaipaiboon, K. Nomura
J. Jpn. Petrol. Inst.64, 5266–5279 (2021). Special issue (invitation)

(245) “Effect of para-substituents in ethylene copolymerizations with 1-decene, 1-dodecene, and with 2-methyl-1-pentene using phenoxide modified half-titanocenes–MAO catalyst systems”
S. Kitphaitun, Q. Yan, K. Nomura
Chem. Open10, 1-11 (2021). Special issue, virtual collection with all the journals of ChemistryEurope, International Symposium on Homogeneous Catalysis (invitation)

(246) “Vanadium(V) arylimido alkylidene N-heterocyclic carbene alkyl and perhalophenoxy alkylidenes for the cis, syndiospecific ring opening metathesis polymerization of norbornene”
Y. Kawamoto, I. Elser, M. R. Buchmeiser, K. Nomura
Organometallics, 40, 2017–2022 (2021).

(247) “Ethylene-norbornene-1-octene terpolymers with high 1-octene content, molar masses, tunable Tg values, in high yield by half-titanocene catalysts”
L. Boggioni, H. Harakawa, S. Losio, K. Nomura, I. Tritto
Polym. Chem.12,  4372-4383 (2021).

(248) “Synthesis of semi-crystalline long chain aliphatic polyesters by ADMET copolymerization of dianhydro-D-glucityl bis(undec-10-enoate) with 1,9-decadiene and tandem hydrogenation”
M. Kojima, M. M. Abdellatif, K. Nomura
Catalysts, 11, 1098-1106 (2021). Special issue in Catalysis in Plastics for the 21st Century (invited submission)

(249) “Ethylene/myrcene copolymer as new bio-based elastomers prepared by coordination polymerization using titanium catalysts”
S. Kitphaitun, S. Chaimongkolkunasin, J. Manit, R. Makino, J. Kadota, H. Hirano, K. Nomura
Macromolecules, 54, 10049-10058, (2021).

2022

(250) “Transesterification of ethyl-10-undecenoate using Cu deposited V2O5 catalyst as a model reaction for efficient conversion of plant oils to monomers, fine chemicals”
S. Sudhakaran, A. Taketoshi, S. M. A. Hakim Siddiki, T. Murayama, K. Nomura
ACS Omega7, 4372–4380 (2022).

(251) “Analysis of ethylene copolymers with long chain α-olefins (1-dodecene, 1-tetradecene, 1-hexadecene): A transition between main chain crystallization and side chain crystallization”
S. Kitphaitun, H. Takeshita, K. Nomura,
ACS Omega7,  6900-1910 (2022).

(252) “Solution XAS analysis for reactions of phenoxide-modified (arylimido)vanadium(V) dichloride and (oxo)vanadium(V) complexes with Al alkyls: Effect of Al cocatalyst in ethylene (co)polymerization”
K. Nomura, I. Izawa, M. Kuboki, K. Inoue, H. Aoki, K. Tsutsumi
Catalysts12, 198 (2022). 10th Anniversary special issue of Catalysts: Molecular Catalysis

(253) “Star-shaped ROMP polymers coated with oligothiophenes that exhibit unique emission”
Z. Sun, K. Kobori, K. Nomura, M. Asano
ACS Omega7, 13270-13279 (2022).

(254) “High conversion of CaO-catalyzed transesterification of vegetable oils with ethanol”
P. Unruean, K. Nomura, B. Kitiyanan
J. Oleo Sci.71, 1051-1062 (2022).

(255) “Effect of phosphine, B(C6F5)3 in ring opening metathesis polymerization (ROMP) of cyclic olefins by (Arylimido)Vanadium(V)-Alkylidene Catalysts and the chain transfer ROMP of cycloheptene”
S. Mekcham, X. Hou, K. Nomura
J. Jpn. Petrol. Inst., 65 200-206 (2022). Special issue (invitation)

(256) “La(iii)-Catalysed degradation of polyesters to monomers via transesterifications”
R. Abe, N. Komine, K. Nomura, M. Hirano
Chem. Commun., 58, accepted (2022).

(257) “Effect of borate cocatalysts toward activity and comonomer incorporation in ethylene copolymerization by half-titanocene catalysts in methylcyclohexane”
S. Kitphaitun, T. Fujimoto, Y. Ochi, K. Nomura
ACS Org. Inorg. Au.2, 386-391 (2022).

(258) “CaO catalyzed transesterification of ethyl 10-undecenoate as a model reaction for efficient conversion of plant oils and their application to depolymerization of aliphatic polyesters”
S. Sudhakaran, S. M. A. H. Siddiki, B. Kitiyanan, K. Nomura
ACS Sustainable Chem. Eng. 10, 12864-12872 (2022).

(259) “Transesterification of methyl-10-undecenoate and poly(ethylene adipate) catalyzed by (cyclopentadienyl)titanium trichlorides as model chemical conversions of plant oils and acid-, base-free chemical recycling of aliphatic polyesters”
K. Nomura, T. Aoki, Y.; Ohki, S. Kikkawa, S. Yamazoe
ACS Sustainable Chem. Eng., 10, 12504-12509 (2022).

2023
(260) “Propylene cyclic olefin copolymers with cyclopentene, cyclohexene, cyclooctene, tricyclo[6.2.1.0(2,7)]undeca-4-ene, and with tetracyclododecene: The synthesis and effect of cyclic structure on thermal properties”
M. Okabe and K. Nomura
Macromolecules56, 81-91 (2023).

(261) “Synthesis of ethylene/isoprene copolymers containing cyclopentane/cyclohexane units as unique elastomers by half-titanocene catalysts”
L. Guo, R. Makino, D. Shimoyama, J. Kadota, H. Hirano, K. Nomura
Macromolecules56, 899-914 (2023).

(262) “Synthesis of high molecular weight biobased aliphatic polyesters by acyclic diene metathesis polymerization in ionic liquids”
X. Wang, W. Zhao, K. Nomura
ACS Omega8, 7222-7233 (2023).

(263) “Depolymerization of polyesters by transesterification with ethanol using (cyclopentadienyl)titanium trichlorides”
Y. Ohki, Y. Ogiwara, K. Nomura
Catalysts, 13, 421 (2023). Special issue, Exclusive papers of the editorial board member

(264) “(Arylimido)niobium(V)-Alkylidenes as the Catalysts for Ring Opening Metathesis Polymerization (ROMP) of Cyclic Olefins: Z-Specific ROMP of Cyclooctene by Nb(CHSiMe3)(NC6H5)[OC(CF3)3](PMe3)2”
K. Chatchaipaiboon, K. Nomura
Organometallics (Commun.)42,1052-1058 (2023).

(265)”Polymer composites of biobased aliphatic polyesters with natural abundant fibers that improve the mechanical properties”
Y. Matsumoto, M. M. Abdellatif, K. NomuraJ. Mater. Cycles Waste Manag., web released. special issue. (invitation)

(266)”Synthesis of Bottlebrush Polymers by Z/E-Specific Living Ring-Opening Metathesis Polymerization, Exhibiting Different Thermal Properties”
S. Mekcham, K. Nomura
J. Am. Chem. Soc. (Commun.) , 145, 17001–17006 (2023).

(267) Chemical upcycling of PET into a morpholine amide as a versatile synthetic building block
Y. Ogiwara, K. Nomura
ACS Org. Inorg. Au, web released (2023).

(268) “Efficient chemical depolymerization of polyethylene terephthalate via transesterification with ethanol using CaO catalyst”
P. Unruean, P. Padungros, K. Nomura, B. Kitiyanan
J. Mater. Cycles Waste Manag., web released (2023). special issue. (invitation)

(269) “Synthesis of high molecular weight biobased aliphatic polyesters exhibiting tensile properties beyond polyethylene”
M. Kojima, X. Wang, L. O. P. Go, R. Makino, Y. Matsumoto, D. Shimoyama, M. M. Abdellatif, J. Kadota, S. Higashi, H. Hirano, K. Nomura
ACS Macro Lett., 12, 1403–1408 (2023).

(270) “La(III)-Catalyzed Depolymerization of Poly(L-lactic acid) yielding Chiral Lactates”
N. Kobayashi, N. Komine, K. Nomura, H. Hirano, M. Hirano
Bull. Chem. Soc., Jpn.,96, 1324-1330 (2023). 日本化学会BCSJ賞

(271) “Synthesis of Polyesters Containing Long Aliphatic Methylene Units by ADMET Polymerization and Synthesis of the ABA-Triblock Copolymers by One-Pot End Modification and the Subsequent Living Ring-Opening Polymerization”
M. M. Abdellatif, K. Nomura
ACS Omega submitted revision (2024)

(272) “Synthesis of (Arylimido)niobium(V) Bis(diethylamide) Complexes Containing Phenoxide Ligands”
N. Nakashima, S. Paosopa, K. Nomura
Z. Anorg. Allg. Chem., submitted revision. Special Collection to celebrate the 60th birthday of Prof. Rhett Kempe