Synthesis, characterization and gelation mechanism of L-phenylalanine-based dihydrazide derivative as excellent gelator


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Resumo

A new organogelator, L-phenylalanine dihydrazide derivative (BOC-Phe-HdHz) has been designed, synthesized and characterized. In addition, the gelling behaviors of BOC-Phe-HdHz were studied. The organogelator has been shown to be capable of forming stable thermoreversible organogels in various organic solvents at extremely low concentrations (<3 wt %). The gel–sol phase transition temperatures (TGS) were determined as a function of gelator concentration and the corresponding enthalpies (ΔHg) were extracted. SEM revealed that the gelator self-assembled into different supramolecular network structures in different gels. FT-IR confirmed that hydrogen bonding and hydrophobic interaction were the driving forces for the supramolecular assembly process. XRD was measured in three different states of the gelator: solid powder, gel and xerogel. In addition, XRD and molecular modeling studies have been carried out and provided more information of the possible packing modes for the formation of organogelator aggregates.

Sobre autores

Y. Yu

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

N. Chu

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

X. Li

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

N. Song

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

C. Liu

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

L. Yu

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

B. Li

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

C. Wang

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

Z. Zhao

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

Y. Zhao

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

Y. Sheng

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Autor responsável pela correspondência
Email: yygara@qq.com
República Popular da China, Shenyang, 110142

C. Wang

The Key Laboratory of the Inorganic Molecule-Based Chemistry of Liaoning Province and Laboratory of Coordination Chemistry

Autor responsável pela correspondência
Email: wchsh18@163.com
República Popular da China, Shenyang, 110142

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