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one-pot synthesis of Spiro[fluorene-9,9'-xanthene]Derivatives

Chinese Journal of Chemistry 2021年第3期39卷 701-709页

作者： Hao-Xuan Yuan Ying Wei Ling-Hai Xie Wei Huang Centre for Molecular Systems and Organic Devices(CMSOD)&Key Laboratory for Organic Electronics and Information Displays&Institute of Advanced Materials(IAM)&Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM) Nanjing University of Posts&Telecommunications9 Wenyuan RoadNanjingJiangsu 210023China Shaanxi Institute of Flexible Electronics(SIFE) Northwestern Polytechnical University127 West Youyi RoadXi'anShaanxi 710072China

As a novel class of spirofluorenes,spirobifluorene(SBF)and spiro[fluo-rene-9,9'-xanthene]derivatives(SFXs)have orthogonal geometric config-uration,spiro-conjugation effect,and rigid steric hindrance,which can be widely used in the fields of synthetic chemistry,materials chemistry and supramolecular chemistry.Due to their facile one-pot synthetic route,and to the variety of molecular designs,SFXs are expected to become new spiro functional materials that replace SBF.In this review,we present the history,development and expansion of SFXs synthesis in one-pot methods,and the advantages and limitations of one-pot synthesis are also dis-cussed.

关键词： Spirofluorenes Spiro[fluorene 9,9'-xanthene]s(SFXs) one pot synthesis Synthetic methods Heterocycles Cyclization

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Highly efficient one-pot synthesis of dihydropyran heterocycles

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Chinese Chemical Letters 2014年第2期25卷 212-214页

作者： Mohamed A.Ameen Sara M.Motamed Fathy F.Abdel-latif Chemistry Department.Faculty of Science El Minia University

Diammonium hydrogen phosphate and potassium carbonate-catalyzed one-pot synthesis of 1,4- phenylene-bis（2-amino-4H-pyran-3-carbonitrile and 2-amino-4-aryl-4H-pyran-3-carbonitrile deriva- tives has been achieved by a three-component cyclocondensation of aldehydes, malononitrile, and different nucleophiles in aqueous medium in high yields.

关键词： one pot synthesis Diammonium hydrogen phosphate Pyran Aqueous media

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synthesis, Biological Evaluation, and SAR Studies of Varyingly Substituted 4-Thioflavonols

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Open Journal of Medicinal Chemistry 2022年第2期12卷 15-25页

作者： Rubina Bibi Amina Sadiq Ehsan Ullah Mughal Department of Chemistry Government College Women University Sialkot Pakistan Department of Chemistry University of Gujrat Gujrat Pakistan

A series of 4-thioflavonols compounds were synthesized by treating flavonols with lawsons reagent with variable substituent groups at A, B, and AB rings. All the synthesized compounds were checked for antibacterial and antifungal activity. We report that many compounds were found active against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus, bacterial strains and, C. albicans, C. parapsilosisstrains and C. krusei fungal strains. Most of the synthesized 4-thioflavonols compounds were found to show enhanced antimicrobial activity than respective flavonol compounds.

关键词： Flavonols 4-Thioflavonols Flavonoids Lawsons Reagent Antibacterial Activity Antifungal Activity one pot synthesis Sulfur Compounds SAR Studies

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synthesis of Arylsubstituted Imidazolin-2-one Analogues

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Chinese Chemical Letters 2004年第11期15卷 1281-1284页

作者： YunFengCHENG YongZhouHU DepartmentofMedicinalChemistry ScienceofPharmaceuticalScienceZhejiangUniversityHangzhou310031

Herein we reported a one-pot synthesis of arylsubstituted imidazolin-2-ones by the cyclization of α-aminoacetophenone hydrochloride analogues 2 with arylisocyanates 3. Compared with other known synthetic route, this ... 详细信息

关键词： one pot synthesis arylsubstituted imidazolin-2-ones.

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