850313-06-3

Upstream product

• 13822-56-5 3-(trimethoxysilyl)propan-1-amine 
• 90-02-8 salicylaldehyde 
• 919-30-2 3-aminopropyltriethoxysilane 

Relevant academic research and scientific papers

A silica supported cobalt (II) Salen complex as efficient and reusable catalyst for the selective aerobic oxidation of ethyl benzene derivatives

A silica supported cobalt (II) Salen complex catalyst has been successfully employed in the aerobic oxidation of alkyl aromatics at atmospheric pressure in the presence of N-hydroxyphthalimide (NHPI). The reaction is particularly selective for the oxidation of the benzylic CH2 group and the major product obtained was ketone. The immobilized catalyst can be easily recovered and reused for at least four reaction cycles without any significant loss of its catalytic activity.

Magnetite nanoparticles immobilized Salen Pd (II) as a green catalyst for Suzuki reaction

In this work, we described a methodology to immobilize Salen Pd (II) complex on the surface of magnetite nanoparticles. The palladium catalyst exhibited efficient catalytic activity in coupling reactions with aryl iodides or bromides and phenylboronic aci

Ratiometric Fluorescence Platform Based on Modified Silicon Quantum Dots and Its Logic Gate Performance

A novel optical nanoprobe based on silicon quantum dots (SiQDs) has been assembled through a one-pot low-temperature (40 °C) treatment by using 3-(aminopropyl)trimethoxysilane (APTMS) and ascorbic acid (AA) as two precursors. The water-soluble SiQDs demonstrate intense green luminescence in aqueous environment and the excitation-dependent feature has been explored. Meanwhile, the incorporation of salicylaldehyde (SA) serves to suppress the emission of SiQDs effectively via nucleophilic reaction and an on-off change is observed. Furthermore, the addition of Zn2+ can lead to evolution of emission peaks, and the green band at 500 nm gradually shifts toward the blue side at 455 nm. The corresponding ratiometric signal changes (I455/I500) can accurately determine the Zn2+ concentration and the limit of detection is calculated to be 0.17 μM in the linear range between 1 and 100 μM. In this research, a molecular logic gate (AND) system has been well established by using SA and Zn2+ as two inputs. The fluorescence emission changes based on SiQDs will shed new light on the development of functional sensors at the nanoscale level.

Synthesis of nitroaldols through the Henry reaction using a copper(II)–Schiff base complex anchored on magnetite nanoparticles as a heterogeneous nanocatalyst

A Cu(II)-Schiff base complex supported on functionalized Fe3O4 magnetic nanoparticles (MNPs@Salen-Cu(II)) was obtained as a new heterogeneous nanocatalyst. The nanocomposite materials were characterized by vibrating sample magnetometer (VSM), X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FT-IR), and thermogravimetric analysis (TGA). The catalyst was used in the Henry reaction in order to accomplish one-pot synthesis of nitroaldol derivatives in green conditions. This nanocatalyst can be easily separated from media of reaction using an external magnet and reused several times without loss of its catalytic activity. Furthermore, the non-toxicity of the catalysts and the high yield of the products are other advantages of this method.

Catalytic activity of Co(II) Salen&at;KCC-1 on the synthesis of 2,4,5-triphenyl-1H-imidazoles and benzimidazoles

The synthesis, reactions and biological properties of imidazoles and benzimidazole make up the bulk of the ring chemistry. In this study, the reaction between different types of aromatic aldehydes and ammonium acetate with diphenylethanedione, in ethanol solvent, using the Co(II) Salen complex&at;KCC-1 catalyst which is produced from Co (II) complex which is supported onto the KCC-1 was studied. The results showed that the products were synthesized in good to excellent yields. The products were identified with IR and NMR spectroscopy. Also, the catalyst was identified by FT-IR, TGA, TEM, and XRD. Finally, the catalyst was reused several times without lack of catalytic activity.

Selective oxidation of alcohols and sulfides: Via O2using a Co(ii) salen complex catalyst immobilized on KCC-1: Synthesis and kinetic study

The aim of this study was to immobilize a Co(ii) salen complex on KCC-1 as a catalyst that can be recovered (Co(ii) salen complex?KCC-1). Field-emission transmission electron microscopy, FT-IR spectroscopy, thermogravimetric analysis, elemental analysis,

Synthesis, characterization and catalytic activity of manganese(II)-cobalt(II) complexes anchored SBA-16 for liquid phase oxidation of p-xylene

In this study, the results of synthesis and modified mesoporous surface of SBA-16 by using Schiff-base complexes [Co(II)-Mn(II)-Sal-APTES] were presented. Manganese(II) and cobalt(II)-Schiff bases complexes were synthesized by reaction between salicylalde

A cellulose-supported Mn(salen)Cl complex as an efficient heterogeneous catalyst for the selective oxidation of benzylic alcohols

[Mn(salen)Cl-cellulose] was synthesized by immobilization of homogeneous Mn(salen)Cl complex on cellulose and characterized by FT-IR, TGA and atomic absorption spectroscopy. The resulted catalyst exhibited moderate to high reactivity in the oxidation of benzylic alcohols into carbonyl compounds using oxone as oxidant in ambient conditions. The catalytic activity of Mn(salen)Cl and [Mn(salen)Cl-cellulose] in this reaction was investigated. The heterogeneous catalyst showed higher catalytic activity with respect to neat Mn(salen)Cl complex.

Anchoring of a Copper(II)-Schiff Base Complex onto Silica-Coated Ferrite Nanoparticles: A Magnetically Separable Catalyst for Oxidative C-O Coupling by Direct C(sp2)-H and C(sp3)-H Bond Activation

A novel catalyst consisting of a Schiff base-copper complex on surface-modified silica-coated ferrite nanoparticles was been prepared and used for oxidative C-O cross-coupling reactions of 1,3-dicarbonyl compounds with formamides for the synthesis of enol

An efficient and green synthesis of benzimidazole derivatives using SBA-15 supported cobalt nanocatalysts

Benzimidazole derivatives have attracted a significant attention in recent years because of their medicinal applications as antiviral, antiulcer, antifungal, antihypertensive, anticancer, and antihistamine compounds. The one-pot synthesis of benzimidazole derivatives via oxidative condensation of aromatic aldehydes with o-phenylenediamines under mild conditions was successfully accomplished using a cobalt(II) supported on mesoporous silica-type material. The supported cobalt catalyst could be easily recovered after reaction completion and reused seven times with an excellent durability and without any noticeable loss in activity.