1,3,5-Tris(4-formylphenyl)benzene

CAS Number 118688-53-2

Chemistry Building Blocks, COF Ligands, Materials, Porous Organic Frameworks

1,3,5-Tris(4-formylphenyl)benzene CAS 118688-53-2

Covalent organic frameworks (COFs) triphenylbenzene ligand

for the synthesis of COFs applied in sensors, CO₂ adsorption and photocatalytic hydrogen evolution

Overview
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1,3,5-Tris(4-formylphenyl)benzene (CAS number 118688-53-2) is a ligands with a triphenylbenzene core functionalised with three aldehyde groups. 1,3,5-Tris(4-formylphenyl)benzene readily reacts with amine derivatives for imine linkage COFs that are used for CO₂ capture. One example of such a COF is benzothiazole COF, which is prepared using this method. This COF exhibits a surface area of 328 m²/g with CO₂ adsorption of 7.8 wt% at 273 K/bar. It also demonstrates excellent thermal stability up to 450 °C under a N₂ atmosphere.

A two-dimensional semiconducting COF (2D COF) can be synthesised from 1,3,5-tris(4-formylphenyl)benzene and benzyl cyanide derivatives through Knoevenagel condensation. The resulting 2D COF has been studied for H₂ evolution with a production rate of 2.9 μmol/h.

Facile reactions

Aldehyde possesses excellent reactivity

High Purity

>98% Purity

Worldwide shipping

Quick and reliable shipping

MOF and COF ligands

Aldehyde ligand for cross-linked COF networks

General Information

CAS Number	118688-53-2
Chemical Formula	C₂₇H₁₈O₃
Full Name	5'-(4-Formylphenyl)-[1,1':3',1''-terphenyl]-4,4''-dicarbaldehyde
Molecular Weight	390.44 g/mol
Synonyms	TFPB, 1,3,5-Tris(4',4'',4'''-formylphenyl)benzene, 3',5'-Bis(4-formylphenyl)-[1,1'-biphenyl]-4-carbaldehyde
Classification / Family	COFs, Aldehyde building blocks, sensors, CO₂ adsorption, Semiconducting COFs, Hydrogen evolution

Chemical Structure

Product Details

Purity	98%
Melting Point	N/A
Appearance	Off-white powder

MSDS Documentation

1,3,5-Tris(4-formylphenyl)benzene MSDS Sheet

Literature and Reviews

Synthesis of a benzothiazole nanoporous polymer for selective CO₂ adsorption, V. Neti et al., RSC Adv., 4, 9669 (2014); DOI: 10.1039/c3ra47587e.
Temperature-responsive covalent organic framework-encapsulated carbon dot-based platform for pyrethroid detection via fluorescence response and smartphone readout, Y. Zhang et al., J. Agric. Food Chem., 70 (20), 6059–6071 (2022); DOI: 10.1021/acs.jafc.2c01568.
Mechanistic investigations into the cyclization and crystallization of benzobisoxazole-linked two-dimensional covalent organic frameworks, D. Pyles et al., Chem. Sci., 9, 6417–6423 (2018); DOI: 10.1039/c8sc01683f.
[3+3] Imine and b-ketoenamine tethered fluorescent covalent-organic frameworks for CO₂ uptake and nitroaromatic sensing, D. Kaleeswaran et al., J. Mater. Chem. C, 3, 7159–7171 (2015); DOI: 10.1039/c5tc00670h.
Two-dimensional semiconducting covalent organic frameworks via condensation at arylmethyl carbon atoms, S. Bai et al., Nat. Common., 10, 2467 (2019); DOI: 10.1038/s41467-019-10504-6.

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