Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions
Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions
VIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITYHO CHI MINH CITY UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANH( uFe2O4 AM) FezCh SUPERPARAMAGNETIC NANOPAR Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions RTICLES AS CATALYSTS FOR SOME C-N CROSSCOUPLING REACTIONSPhD THESISHO CHI MINH CITY-2021VIETNAM NA TIONAL UNIVERSITY - no CHI MINH CITYHO CHI MINH CH Y UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANHc ill V2O4 AND 1V2O3 SUPERP ARAMAGNET1C NANOPARTICLES AS CATCALYSTS FOR SOME C-NC ROSS-C OUPLING REACTION Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions SMajor: Chemical EngineeringCode: 9520301Independent examiner: Assoc. Prof. Dr. Hoang Thi Kim DungIndependent examiner: Assoc. Prof. Dr. Tran Hoang PhCufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions
uongExaminer: Assoc. Prof. Dr. Tran Ngoc QuycnExaminer: Assoc. Prof. Dr. Nguyen Phuong TungExaminer: Assoc. Prof. Dr. Nguyen Quang LongAdvisor:Prof. DVIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITYHO CHI MINH CITY UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANH( uFe2O4 AM) FezCh SUPERPARAMAGNETIC NANOPAR Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions from any source and in any form. References to sources (if any) have been cited and the source of reference is properly regulated.PhD CandidateSignatureNguyen Thi Kim Oanli1ABSTRACTSuperpara magnetic nanoparticles (NPs) have attracted attention as catalyst supports, because of their response to an Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions applied magnetic field. Magnetic separation has emerged as a robust, highly efficient and rapid catalyst separation tool with manyadvantages comparedCufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions
to other catalyst isolation techniques such as liquid-liquid extraction, chromatography, filtration or centrifugation, rhe supcrparamagnctic nanoparliVIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITYHO CHI MINH CITY UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANH( uFe2O4 AM) FezCh SUPERPARAMAGNETIC NANOPAR Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions particle materials include Cul'cjOj and le^Oj were synthesized by simple methods, having many outstanding advantages suitable for catalytic applications. Moreover, these superparamagnetic nanoparticle materials were commercial materials and could be obtained at low cost.Two materials, including CuFe Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions ^Oj and FejOj were used as heterogeneous catalysts for C-N cross-coupling reactions to synthesize compounds such as triphenylamines. 3-phenylquinoxaliCufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions
n-2( lll)-one and phenyl(2-phenylimidazo[ 1.2-a]pyrimidin-3-yl)methanone substances. The result of the reaction between benzoxazole: iodobenzene (1: 3VIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITYHO CHI MINH CITY UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANH( uFe2O4 AM) FezCh SUPERPARAMAGNETIC NANOPAR Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions l% catalyst of CuFe^Oa in the argon gas. FeiCh material was used as a catalyst for the 3-phenylquinoxalin-2( 1 Ill-one compound from 2-oxo-2-plienylacetic acid (0.25 mmol) and benzene-1,2-diaminc (0.375 mmol). The results achieved a conversion of about 82% after 24 hours at 100 °C in a mixture of so Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions lvent CcJIjCIILO (1.5 / 0.5) (V / V). using 10 mol% catalyst of I c?(h. In addition, Cub'csO-j was also used for phcnyl(2-phenylimidazo[1.2-a] pyrimidCufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions
in-3-yl)methanone from trans-chalcone (0.3 mmol) and 2-aminopyrimidinc (0.2 mmol), rhe results achieved a conversion of about 84% after 7 hours at 140VIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITYHO CHI MINH CITY UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANH( uFe2O4 AM) FezCh SUPERPARAMAGNETIC NANOPAR Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions y and selectivity. In addition, the fraction of the catalysts has also been demonstrated. The superparamagnctic nanoparticle catalysts could be recovered and reused manyiiihttps://khothuvien.cori!times without any significant reduction in catalytic activity. To our knowledge, these transformations u Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions sing superparamagnetic nanoparticle catalysts have not been studied before.ivTÓM TẤT LI ÁN ÁNVật liệu nano siêu thuận từ đà thu hút sự chú ỷ cùa các nCufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions
hà khoa học với vai trò Là chất xúc tác hồ trợ. Sự tách từ tính ngày cảng được chú ý như một phương pháp tách xúc tác. hiên quà cao và nhanh chóng vớiVIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITYHO CHI MINH CITY UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANH( uFe2O4 AM) FezCh SUPERPARAMAGNETIC NANOPAR Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions úc tác cao trong nhiều phân ứng hửu cơ vì chúng chứa các tàm kim loại mỡ. Đặc biệt hai vật liệu gồm CuFe.'Oj vả Fe;O3 được tông hợp bâng phương pháp đơn giản, cớ nhiều ưu điểm vượt trội phũ hợp trong ứng dụng xúc tác. Hơn nữa. các vật liệu nano siêu thuận từ này đà được thương mại hóa và giá thảnh t Cufe2o4 and fe2o3 superparamagnetic nanoparticles as catalysts for some c n crosscoupling reactions ương đòi thấp.VIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITYHO CHI MINH CITY UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANH( uFe2O4 AM) FezCh SUPERPARAMAGNETIC NANOPARVIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITYHO CHI MINH CITY UNIVERSITY OF TECHNOLOGYNGUYEN THI KIM OANH( uFe2O4 AM) FezCh SUPERPARAMAGNETIC NANOPARGọi ngay
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