专利号:US-2025177964-A1 优先权日:2023-11-30 标题 :Synthesis procedure of homopolymers and copolymers based on vinyl ionic liquids, n-vinylpyrrolidone or vinylpyridine and the methodology for their application as catalysts in alkylation reactions of isoparaffins and olefins 发明人:PAZ ARACELI VEGA; DOMà NGUEZ MERCEDES BAZALDUA; LUCERO DIEGO JAVIER GUZMà N; CORTEZ JOSÉ GONZALO HERNà NDEZ; ROBLES NOHEMà ORNELAS; PANTOJA JAVIER GUZMà N; PALOU RAFAEL MARTà NEZ 权利人:MEXICANO INST PETROL 摘要:The present disclosure relates to a procedure for the synthesis of polymers (homo and copolymers) of the poly (ionic liquid) (PIL) type. The homopolymers are derived from polyvinylimidazolium, polyvinylpyrrolidone or polyvinylpyridine and the copolymers from monomers of vinyl ionic liquids (ILs) are derived from imidazole and N-vinylpyrrolidone. The structural modification of these homopolymers and copolymers occurs by using strong inorganic acids such as sulfuric, chlorosulfonic and bromosulfonic, among others, and halide metallic salts such as AlCl3, FeCl3, CuCl, ZnCl2, and SnCl2. Also, these PILs are employed as catalysts in alkylation reactions between isoparaffins and olefins for producing alkylate gasoline.
专利号:US-6696438-B2 优先权日:1998-06-22 标题:Cyclic amino acid compounds, pharmaceutical compositions comprising same, and methods for inhibiting β-amyloid peptide release and/or its synthesis by use of such compounds 发明人:AUDIA JAMES E; DRESSMAN BRUCE A; SHI QING 权利人:ELAN PHARM INC; LILLY CO ELI 摘要:Disclosed are compounds which inhibit β-amyloid peptide release and/or its synthesis, and, accordingly, have utility in treating Alzheimer's disease. Also disclosed are pharmaceutical compositions comprising a compound which inhibits β-amyloid peptide release and/or its synthesis as well as methods for treating Alzheimer's disease both prophylactically and therapeutically with such pharmaceutical compositions.
专利号:US-2003162768-A1 优先权日:1998-06-22 标 题:Cyclic amino acid compounds, pharmaceutical compositions comprising same, and methods for inhibiting beta-amyloid peptide release and/or its synthesis by use of such compounds
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合成参考文献
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