乙烯砜類化合物和喹啉砜類化合物的合成研究
[Abstract]:Vinylsulfones can be used as cysteine protease, sorbent and HIV integrase inhibitors, and neuroprotective agents in pharmaceutical chemistry. They can be used as important organic synthesis intermediates in organic synthesis. (2) Wittig reaction of sulfonyl phosphates with carbonyl compounds; (3) ipsilateral beta-elimination reaction of sulfonyl o-halogenated cycloalkane derivatives; (4) cross-coupling reaction of olefins or alkynes derivatives with sulfonyl derivatives, etc., but these reactions have some shortcomings, such as difficult to obtain raw materials and strict reaction conditions. Therefore, it is necessary to explore a new method to synthesize ethylene sulfone compounds with cheap raw materials and simple operation. In this paper, the synthesis of ethylene sulfone compounds with olefins and tert-butyl sulfite amide as raw materials under the catalysis of copper sulfate pentahydrate has been developed for the first time. Quinoline and its derivatives have certain pharmacological activities such as antiviral, antimalarial, antitumor, etc. 3-sulfonyl quinoline and 4-sulfonyl quinoline compounds can be used as receptor antagonists against schizophrenia, Parkinson, Alzheimer. Previous synthesis methods of 3-sulfonyl quinoline and 4-sulfonyl quinoline derivatives were mostly achieved by cyclization reactions. These methods were mostly realized by multi-step synthesis, with complicated operation and low utilization of starting materials. 3-sulfonyl quinoline and 4-sulfonyl quinoline were synthesized with the aid of H-diethyl phosphite. The advantages of this method are as follows: less reaction steps, simple operation, cheap reagents. This paper mainly consists of the following aspects: (1) the study of new methods for the synthesis of sulfonyl compounds. Sulfone compounds in pharmaceutical chemistry, organic synthesis applications, the previous synthesis of ethylene sulfone compounds; 2. Styrene and tert-butyl sulfoxide as raw materials for the synthesis of ethylene sulfone as a template reaction, respectively, the reaction time, catalyst, reactant amount, acid, solvent and temperature optimization. Scope: Twenty sulfone compounds were synthesized under the optimum conditions and confirmed by 1H NMR, 13C NMR and HR MS data. 3. The experimental mechanism of sulfone synthesis was studied by free radical blocker, nitrogen protection, isotope labeling and other experimental methods, and the related experimental mechanism was elaborated in detail. Reaction mechanism (2) New methods for the synthesis of 3-sulfonyl quinoline and 4-sulfonyl quinoline compounds 1. Literature review, summarized the application of 3-sulfonyl quinoline compounds and 4-sulfonyl quinoline compounds in pharmaceutical chemistry, as well as previous synthesis methods. 2. Synthesis of 3-methylquinoline azo and sodium benzosulfite by template reaction Sulfonyl quinoline and 4-sulfonyl quinoline compounds. The reaction time, amount of reactants, type and amount of alkali, type and amount of H-phosphite ester, temperature and solvent were optimized. 24 target products were synthesized under the optimum conditions. All of them were confirmed by 1H NMR, 13C NMR and HRMS data. 3. Reference has been reported. According to the relevant literature, the reaction mechanism of the synthesis of 3-sulfonyl quinoline and 4-sulfonyl quinoline derivatives was speculated as follows: the reaction mechanism of the synthesis of 3-sulfonyl quinoline sulfone and 4-sulfonyl quinoline derivatives
【學(xué)位授予單位】:鄭州大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:O621.3
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