Results 71 to 80 of about 18,467 (263)

Synthesis and characterization of a novel quaternary copolymerized thermoplastic copolyimide with excellent heat resistance, thermoplasticity, and solubility

eXPRESS Polymer Letters, 2020
A series of novel quaternary copolymerized thermoplastic polyimides were successfully prepared with asymmetric diahydride: 3,4′-oxydiphthalic anhydride (a-ODPA) and symmetric anhydride: 4,4′-oxydiphthalicanhydride (s-ODPA), 9,9′-bis(4-aminophenyl ...
X. W. Cao, C. Wei, G. J. He, X. Liu
doaj   +1 more source

Studies on the Fluorene Derivatives. XI

Journal of Synthetic Organic Chemistry, Japan, 1958
2-Methoxyfluorene in glacial acetic acid is nitrated and the products are separated into 2-methoxy-7-nitrofluorene (mp 218-9°C) and 2-methoxy-3-nitrofluorene (mp 190-1°C) with 54% and 9% yield, respectively.2-Methoxy-7-aminofluorene (mp 189-90°C), 2-methoxy-3-aminofluorene (mp 203-4°C), and 2-methoxy-3-acetaminofluorene (mp 241-2°C) are also ...
Nobuo ISHIKAWA, Mitsuo OKAZAKI
openaire   +2 more sources

Fluorene Complexes of Group 9 Metals: Fluorene Effect and Application for Reductive Amination

, 2019
The η6-fluorene cyclopentadienyl complexes [(η5-C5R5)­M­(η6-fluorene)]­(SbF6)2 (1: M = Co, R = Me; 2a: M = Rh, R = H; 2b: M = Ir, R = H) were synthesized by the iodide abstraction from [(η5-C5R5)­MI2]n with AgSbF6 in the presence of fluorene.
Dmitry V. Muratov (2376274), Yulia V. Nelyubina (563717), Alexander S. Peregudov, Denis Chusov, Vladimir B. Kharitonov, Yulia V. Nelyubina, Vladimir B. Kharitonov (5550077), Gleb Denisov, Dmitry A. Loginov (2297215), Dmitry A. Loginov, Denis Chusov (1688374), Dmitry V. Muratov, Evgeniya Podyacheva (7148408), Alexander S. Peregudov (1612717), Gleb Denisov (7148411), Evgeniya Podyacheva   +15 more
core   +1 more source

The electronic structure of free radical 9-fluorenyl within the framework of QTAIM

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов
The paper presents the results of studying the influence of free valence on the electronic structure of 9-fuorenyl radical in comparison with the fluorene molecule.
E.M. Chernova, Yu..D. Orlov, E.A. Miroshnichenko   +2 more
doaj   +1 more source

Photochemistry of fluorene derivatives

, 1969
Excited-state pK values for fluorene and some 9-substituted fluorenes are reported.SCOPUS: ar.jinfo:eu-repo/semantics ...
Thiry, Philippe, Vander Donckt, Emile, Nasielski, Jacques   +2 more
core   +1 more source

Catalytic Pyrolysis of Waste Polystyrene Over Fe–B Composite Catalyst for Enhanced Liquid Fuel Production

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Healthcare derived polystyrene waste represents a growing and under addressed fraction of plastic waste streams due to contamination risks and limited recyclability. This study aims to investigate the valorization of waste polystyrene foam through catalytic and noncatalytic pyrolysis pathways to evaluate product yield distribution and identify
Salman Khan, Zahid Hussain, Bilal Ahmad, Naveed Ahmad, Shohreh Azizi   +4 more
wiley   +1 more source

One-Dimensional Fluorene-Based Co(II) Phosphonate Co(H2O)2PO3C–C12H9·H2O: Structure and Magnetism

Inorganics, 2018
A new Co(II) phosphonate, Co(H2O)2PO3C–C12H9·H2O, has been synthesized under hydrothermal conditions. The monoclinic P21/c structure of this organic–inorganic hybrid consists of isolated perovskite-type chains of corner-shared CoO4(H2O)
Clarisse Bloyet, Jean-Michel Rueff, Olivier Perez, Alain Pautrat, Vincent Caignaert, Bernard Raveau, Guillaume Rogez, Paul-Alain Jaffrès   +7 more
doaj   +1 more source

Conjugated Conductive Polymer Binders for Lithium Batteries: Structural Engineering and Design Principles

Carbon Energy, EarlyView.
Structural engineering of conjugated conductive polymer binders enables integrated electronic transport, strong adhesion, and stable electrode interfaces, offering a promising strategy to reduce inactive components and improve the performance of high‐energy lithium batteries.
Fating Wang, Fei Lv, Jingjing Guo, Min Hong, Xia Wang, Xiaohan Cai, Tiefeng Liu, Jun Lu   +7 more
wiley   +1 more source

Fluorene-thiophene copolymer wire on TiO2: Mechanism achieving long charge separated state lifetimes

, 2017
Insertion of interfacial molecules in bulk heterojunction and dye sensitized solar cells is effective to retard charge recombination reactions, and thus to improve solar cell performance.
Satoshi Makuta (1539265), Jun Terao (1478968), Tsuda Susumu (20010081), Salvy Russo (18029545), Shu Seki (1280874), Maning Liu (4520755), Yasuhiro Tachibana (18031291)   +6 more
core  

Fluorene transformation by bacteria of the genus Rhodococcus

, 2003
Of the four investigated Rhodococcus strains (R. rhodochrous172, R. opacus 4a and 557, and R. rhodnii 135), the first three strains were found to be able to completely transform fluorene when it was present in the medium as the sole source of carbon at a
Golovlev, E.L., Baboshin, M.A., Golovleva, L.A., Rietjens, I.M.C.M., Finkelstein, Z.I., Baskunov, B.P., Vervoort, J.J.M.   +6 more
core   +1 more source