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Multi-stimulation responsive stigmasterol derivative low-molecular-mass gelator, organic gel and preparation methods of low-molecular-mass gelator and organic gel

A small-molecule gel and multiple stimulation technology, applied in gel preparation, organic chemistry, steroids, etc., can solve problems such as deficiency

Active Publication Date: 2018-08-24
HARBIN INST OF TECH
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Problems solved by technology

[0003] In order to solve the lack of research on the construction of supramolecular gel systems using stigmasterol and ferrocene derivatives as gelling factors in the prior art, the present invention provides a small molecule gelling factor with multiple stimuli-responsive stigmasterol derivatives , organogel and preparation method thereof

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  • Multi-stimulation responsive stigmasterol derivative low-molecular-mass gelator, organic gel and preparation methods of low-molecular-mass gelator and organic gel

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[0043] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings, but it is not limited thereto. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be covered by the present invention. within the scope of protection.

[0044] The present invention provides a novel stigmasterol derivative - stigmasteryl glycine ferrocene (SGF) gelling factor, whose structural formula is as follows:

[0045] .

[0046] like figure 1 As shown, the specific preparation steps of the above-mentioned stigmasteryl glycine ferrocenamide (SGF) gel factor are as follows:

[0047] 1. Synthesis of stigmasteryl BOC-glycinate (SBG):

[0048] (1) Dissolve 600 mg stigmasterol and 300 mg BOC-glycine in CH 2 Cl 2 , then 400 mgDCC and 300 mg DMAP were added to the above solution;

[0049] (2) Stir ...

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Abstract

The invention discloses a multi-stimulation responsive stigmasterol derivative low-molecular-mass gelator, organic gel and preparation methods of the low-molecular-mass gelator and the organic gel. The stigmasterol-based glycine ferrocene amide gelator is prepared through a three-step synthesis reaction including esterification, BOC removal and amidation for the first time with stigmasterol with arigid framework used as a gelator construction parent, glycine used as a linking arm and ferrocene containing an oxidation activity group as a reaction group, and the problem of lack of research on construction of a super-molecular gel system with stigmasterol and ferrocene derivatives as gelators in the prior art is solved. An organic gel material of the gelator has properties of thixotropy, ultrasonic response, thermal response and alcohol solvent stimulation response besides oxidation stimulation response expected to be obtained through introduction of the ferrocene group, and the gel is expected to have potential value in the aspects of sensors, solvent recognition and the like.

Description

technical field [0001] The invention belongs to the field of supramolecular self-assembly, and relates to a stigmasteryl glycine ferrocenyl amide small-molecule gel factor, an organogel and a preparation method thereof. Background technique [0002] Small molecule gel refers to a viscoelastic, semi-solid, semi-liquid, self-supporting soft substance formed by organic small molecule compounds with definite structure and molecular weight in a certain solvent and under certain conditions. Small molecule gels belong to physical gels, which are supramolecular three-dimensional network structures formed under weak non-covalent bond interactions such as hydrogen bonds, van der Waals forces, π-π stacking, electrostatic interactions, and hydrophobic interactions. Due to this weak interaction force, small molecule gels can easily complete some reversible phase transitions under certain conditions, forming intelligent phase change materials with reversible stimulus responses. Small mole...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07J51/00B01J13/00
CPCB01J13/0065C07J51/00
Inventor 杨鑫陈敏赵海田王静
Owner HARBIN INST OF TECH
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