- Synthesis and characterization of a novel fluorene-based covalent triazine framework as a chemical adsorbent for highly efficient dye removal
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Covalent organic frameworks (COFs) are known as emerging candidates for textile wastewater treatment due to their high porosity and regular channel structure. In the current paper, a Fluorene-based COF (FLU-COF) was synthesized by a facile method directin
- Afshari, Mohaddeseh,Dinari, Mohammad,Mokhtari, Nazanin
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- A dual-functionalized, luminescent and highly crystalline covalent organic framework: Molecular decoding strategies for VOCs and ultrafast TNP sensing
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Luminescent and robust covalent organic frameworks (COFs) with desired crystallinity and properties are rarely obtained due to synthetic challenges in combining the molecular building blocks required to adopt a structure that prevents aggregation-caused q
- Das, Prasenjit,Mandal, Sanjay K.
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- Synthesis and evaluation of biological activities of tripodal imines and β-lactams attached to the 1,3,5-triazine nucleus
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Abstract: A novel collection of tripodal β-lactam derivatives with 1,3,5-triazine as the central core is presented for the first time. The diastereoselective synthesis of tris-β-lactams was achieved via a [2 + 2] cycloaddition reaction between s-triazine-
- Amirghofran, Zahra,Bashiri, Mohammad,Haddadi, Mahtab,Iraji, Aida,Irajie, Cambyz,Jarrahpour, Aliasghar,Malek-Hosseini, Saeed,Motamedifar, Mohammad,Rastegari, Banafsheh,Turos, Edward,Zareshahrabadi, Zahra,Zomorodian, Kamiar
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- Covalent triazine-based polyimine framework as a biocompatible pH-dependent sustained-release nanocarrier for sorafenib: An in vitro approach
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In the present study, a novel polyimine-based covalent triazine framework (PI-CTF) was introduced as a promising biocompatible carrier for sorafenib (SFN) delivery. High specific surface area and porosity allowed us to achieve drug loading and encapsulati
- Mokhtari, Nazanin,Taymouri, Somayeh,Mirian, Mina,Dinari, Mohammad
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- Synthesis of novel star-shaped molecules based on a 1,3,5-triazine core linked to different heterocyclic systems as novel hybrid molecules
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The synthesis of novel star-shaped compounds based on an s-triazine core and linked to hexahydroacridinediones, pyrimido[4,5-b]quinolones, 1H-isoquinolino[2,1-a]quinolines, tetrahydro-4H-chromenes, dihydropyrano[2,3-c]pyrazoles, thiazole, or benzothiazole
- Abdelhamid, Ismail A.,Diab, Hadeer M.,Elwahy, Ahmed H. M.,Salem, Mostafa E.
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- The synthesis and characterization of [M(salen/salophen/saldeta)] [M=Cr(III), Mn(III) or Fe(III)] capped s-triazine cored tripodal trinuclear Schiff bases complexes
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Abstract: Ligand complexes ([M(salen/salophen)]2O, [M(saldeta)]Cl shortened as LC, M=Cr(III), Mn(III) or Fe(III)), have been synthesized. 2,4,6-tris(4-formylphenoxy)-1,3,5-triazine (3) was synthesized with the reaction of p-hydroxybenzaldehyde
- ???i, Berkman,Uysal, ?aban
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- Construction of Flexible Amine-linked Covalent Organic Frameworks by Catalysis and Reduction of Formic Acid via the Eschweiler–Clarke Reaction
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Compared to the current mainstream rigid covalent organic frameworks (COFs) linked by imine bonds, flexible COFs have certain advantages of elasticity and self-adaptability, but their construction and application are greatly limited by the complexity in s
- Zhang, Meicheng,Li, Yang,Yuan, Wenli,Guo, Xinghua,Bai, Chiyao,Zou, Yingdi,Long, Honghan,Qi, Yue,Li, Shoujian,Tao, Guohong,Xia, Chuanqin,Ma, Lijian
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- Luminescent Triazene-Based Covalent Organic Frameworks Functionalized with Imine and Azine: N2 and H2 Sorption and Efficient Removal of Organic Dye Pollutants
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Design of adsorbents with high stability and efficiency to achieve rapid uptake and high capacity for dye pollutants is a key challenge in environmental remedies. Herein, we have design and synthesized three triazene-based imine and azine functionalized c
- Konavarapu, Satyanarayana K.,Biradha, Kumar
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- A Synergistic Magnetically Retrievable Inorganic-Organic Hybrid Metal Oxide Catalyst for Scalable Selective Oxidation of Alcohols to Aldehydes and Ketones
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Herein, we report a synergistic silica coated magnetic Fe3O4 catalyst functionalized with nitrogen rich organic moieties and immobilized with cobalt metal ion (FNP-5) for selective oxidation of alcohols to aldehydes and ketones using tert-butyl hydroperoxide (TBHP) as oxidant. The catalyst was rigorously characterized via several techniques which delineate its core-shell structure, magnetic behavior, phase and crystal structure. The Co(III) acts as the active catalytic center for selective oxidation reaction. The control reactions revealed radical mechanistic pathway assisted by the synergism induced by the inorganic-organic hybrid nature of FNP-5. The other features of current protocol involve neat reaction conditions, high TOF values, scalability of product and low E-factor value (1.92). Moreover, FNP-5 could be effortlessly separated via an external magnet, displays recyclability over eight catalytic cycles and exhibits structural integrity even after rigorous use. Overall, these results manifest the understanding of synergistic architectures as sustainable surrogates for selective oxidation reactions.
- Mittal, Rupali,Awasthi, Satish Kumar
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p. 4799 - 4813
(2021/09/30)
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- Post-synthetic Modification of Covalent Organic Frameworks through in situ Polymerization of Aniline for Enhanced Capacitive Energy Storage
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Covalent organic frameworks (COFs) having layered architecture with open nanochannels and high specific surface area are promising candidates for energy storage. However, the low electrical conductivity of two-dimensional COFs often limits their scope in
- Dutta, Tapas Kumar,Patra, Abhijit
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supporting information
p. 158 - 164
(2020/12/29)
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- Polynuclear complexes of vanadium(IV) and lithium with branched triazine-based Schiff base ligands
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Four dendrimeric hexa- or nona-dentate Schiff base ligands based on triazine structure and several lithium and vanadium(IV) complexes with these ligands were synthesized and characterized by elemental analysis, 1H NMR and IR spectra. The synthe
- Jurowska, Anna,Hodorowicz, Maciej,Szklarzewicz, Janusz
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p. 2069 - 2084
(2020/08/27)
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- Porous triazine polymer: A novel catalyst for the three-component reaction
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A new porous triazine-based covalent organic polymer (Triazine-COP) was prepared through the Schiff-base condensation of 2,4,6-tris(4-formyl phenoxy)-1,3,5-triazine and 4,4′-oxydianiline, under sonication. The synthesized Triazine-COP with a high surface
- Nouruzi, Nasrin,Dinari, Mohammad,Mokhtari, Nazanin,Gholipour, Behnam,Rostamnia, Sadegh,Khaksar, Samad,Boluki, Rana
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- COFs material constructed based on flexible module, as well as preparation method and application thereof
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The invention belongs to the field of organic porous material adsorbents, and concretely relates to a COFs material constructed based on a flexible module, as well as a preparation method and application thereof. The invention provides the COFs material c
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Paragraph 0043; 0044; 0045
(2018/07/07)
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- Nickel-Catalyzed Deoxycyanation of Activated Phenols via Cyanurate Intermediates with Zn(CN)2: A Route to Aryl Nitriles
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A novel, and efficient nickel-catalyzed deoxycyanation of phenolic compounds using relatively nontoxic Zn(CN)2 as the cyanide source was developed. The reaction of C-O bond activated phenolic compounds by 2,4,6-trichloro-1,3,5-triazine with Zn(CN)2 in the presence of a nickel precatalyst afforded the aromatic nitriles in good to excellent yields.
- Heravi, Majid M.,Panahi, Farhad,Iranpoor, Nasser
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supporting information
p. 2753 - 2756
(2018/05/22)
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- Nickel-catalyzed cyanation of phenol derivatives activated by 2,4,6-trichloro-1,3,5-triazine
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A nickel-catalyzed cyanation of phenol derivatives activated by 2,4,6-trichloro-1,3,5-triazine (TCT) using aminoacetonitrile as the cyanating agent is described. This catalytic system delivered the desired products in moderate to good yields with good substrate compatibility. The readily available starting materials, cost-effective nickel catalyst and metal-free cyanating agent are the major features of the present method.
- Wang, Liang,Wang, Yaoyao,Shen, Jun,Chen, Qun,He, Ming-Yang
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supporting information
p. 4816 - 4820
(2018/07/13)
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- The Synthesis and Characterization of s-Triazine-Cored Tripodal Structure and Its Salen/Salophen-Bridged Fe/Cr(III) Capped Complexes
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A novel Schiff base compound was synthesized, and its complexation properties with Fe(III) and Cr(III) were investigated. Tripodal ligand was synthesized by the reaction of s-triazine and 4-hydroxybenzaldehyde. Then a Schiff base involving 8-hydroxyquinoline was synthesized by the reaction of 5-aminomethyl-8-hydroxyquinoline (QN) and 2,4,6-tris(p-formylphenoxy)-1,3,5-triazine (TRIPOD) in methanol/chloroform media. The obtained Schiff base (QN-TRIPOD) was then reacted with four trinuclear Fe(III) and Cr(III) complexes including tetradentate Schiff bases N,N′-bis(salicylidene)ethylenediamine (salenH2)/bis(salicylidene)-o-phenylenediamine (SalophenH2). The synthesized ligand and complexes were characterized by means of elemental analysis carrying out1H NMR, FTIR spectroscopy, thermal analyses, and magnetic susceptibility measurements. Finally, metal ratios of the prepared complexes were determined by using atomic adsorption spectrometry.
- Karatas, Erhan,Ucan, Halil Ismet
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p. 692 - 698
(2017/02/04)
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- Efficient Ni-catalyzed conversion of phenols protected with 2,4,6-trichloro-1,3,5-triazine (TCT) to olefins
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An efficient Ni(COD)2/dppf catalyzed olefination of Ar-O-TCT as synthetic equivalents of aryl halides is described. Activation of C-O bonds in phenols as readily available compounds was achieved with 2,4,6-trichloro-1,3,5-triazine (TCT). This method provides practical access to 1,2-disubstituted olefins in high yields and high functional group compatibility.
- Etemadi-Davan,Iranpoor
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supporting information
p. 12794 - 12797
(2017/12/06)
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- A Mild and Selective Method for the Catalytic Hydrodeoxygenation of Cyanurate Activated Phenols in Multiphasic Continuous Flow
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A low-energy, high-selectivity approach to the catalytic hydrodeoxygenation of phenols is reported using batch or continuous flow methods to react 3 equiv of phenol with cyanuric chloride then hydrogenolyzing the triarylcyanurate intermediate to give 3 equiv of deoxo aromatic. The use of cyanuric chloride compares favorably with existing activation methods, showing improved scalability, atom efficiency, and economics. The scope of both the activation and hydrogenolysis stages are explored using lignin-related phenols. Initial development has identified that continuous stir tank reactors (CSTRs) enable a multiphasic process for converting guaiacol to anisole and at steady state overcome the catalyst deactivation issues observed in batch, seemingly caused by the cyanurate byproduct. Green chemistry aspects and the potential for industrial adoption are discussed.
- Zhao, Yuhan,King, Georgina,Kwan, Maria H.T.,Blacker, A. John
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supporting information
p. 2012 - 2018
(2017/02/10)
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- Synthesis of tri-arm star shaped 1, 3, 5-triazines catalyzed by 1,5,7-Triazabicyclo[4.4.0] dec-5-ene (TBD)
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Facile solution method for the synthesis of tri-arm star shaped 1,3,5-triazines was developed using 1,5,7-Triazabicyclo[4.4.0]dec-5-ene (TBD) by reaction of cyanuric chloride with O-nucleophiles.
- Karimi, Marzie,Karimi, Ali Reza
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p. 2674 - 2676
(2015/01/30)
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- Nickel-catalyzed one-pot deoxygenation and reductive homocoupling of phenols via C-O activation using TCT reagent
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A new method for C-O bond activation of phenolic compounds has been achieved using 2,4,6-trichloro-1,3,5-triazine to utilize in one-pot Ni-catalyzed deoxygenation and reductive homocoupling reactions. With this simple method, phenolic compounds were converted to their corresponding arenes or biaryl compounds under mild conditions. The introduced methodology has a broad scope and demonstrates good functional group compatibility.
- Iranpoor, Nasser,Panahi, Farhad
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supporting information
p. 214 - 217
(2015/01/30)
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- Synthesis, characterization, and antimicrobial evaluation of novel trichalcones containing core s-triazine moiety
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A series of ten new trichalcones containing core s-triazine moiety were synthesized. The intermediate 2,4,6-tris(p-formylphenoxy)-1,3,5-triazine was synthesized by the reaction of cyanuric chloride with sodium salt of p-hydroxy benzaldehyde using phase-transfer catalyst. Thus, the prepared 2,4,6-tris(p-formylphenoxy)-1,3,5-triazine has been subsequently treated with various acetophenones to afford title compound in excellent yields. The structures of intermediate and newly synthesized trichalcones were confirmed by physical and spectral analysis. All the trichalcones were evaluated for antibacterial and antifungal activities. Selected trichalcones showed good to excellent antibacterial and antifungal activities with reference to the well-established standards. Springer Science+Business Media 2013.
- Khan, Firdous G.,Yadav, Manjusha V.,Sagar, Ashok D.
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p. 2633 - 2638
(2014/05/06)
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- Synthesis and characterization of some new star-shaped polydentate ligands from 2,4,6-trichloro-1,3,5-triazine
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Some new star-shaped polydentate ligands were synthesized using 2,4,6-tris(p-formylphenoxy)-1,3,5-triazine as a template and were characterized by infrared, 1H NMR, and 13C NMR spectra and elemental analysis. These products may form polynuclear complexes
- Duan, Hongdong,Wang, Lizhen,Qin, Dawei,Li, Xiaomeng,Wang, Shixiao,Zhang, Yi
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experimental part
p. 380 - 384
(2011/04/15)
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- SYNTHESIS OF TRIARYL CYANURATES CATALYSED BY POLYETHYLENE GLYCOL IN A TWO-PHASE SYSTEM : PHASE TRANSFER CATALYSIS
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The synthesis of triaryl cyanurates (2,4,6-triaryloxy-1,3,5-triazines) was accomplished at room temperature in high yields in a two-phase system using PEG-400 as a phase transfer catalyst.
- Kavitake, Bhanudas P.,Patil, Sucheta V.,Salunkhe, Manikrao M.,Wadgaonkar, Prakash P.
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p. 675 - 678
(2007/10/03)
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