Browsing Organic Chemistry by Issue Date
Now showing items 1-20 of 45
-
Biological activities of synthetic heterocyclic compounds and natural secondary metabolite produced from Boesenbergia rotunda roots actinomyces.
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 1/7/2022)Heterocyclic compounds are often found to be part of the structure of many biologically active substances, including anticancer, antibacterial anti-inflammatory activities. It has also been found to be part of plant growth ... -
Chemical constituents and biological activities from Miliusa sessilis Chaowasku & Kessler
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 10/7/2020)Bioassay-guided fractionation of the hexane and ethyl acetate extracts of the leaves of Miliusa sessilis Chaowasku & Kessler sp. nov. (Annoaceae) led to the isolation of nine new neolignans including four dihydro[b]benzofuran ... -
Fluorescent Sensors for Determining Metal Ions in Soultion, Flow Injection Analysis and Polymer Membrane
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 10/7/2020)This research is interested in the design and synthesis of near infrared fluorescent sensor, Cy7C3, for determining copper ion in HEPES buffer:acetonitrile (3:7 v/v) at pH 7.0. The detection limit of was found to be 9 ppb ... -
Synthesis and bioactivity evaluation of 2-substituted indoles
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 10/7/2020)Indoles are heterocylic compounds. It containing pyrrole ring and benzene ring fused to α,β position. Indoles are common substructure in many alkaloids, a biologically accepted pharmacophore, for example, anticancer, ... -
FLUORESCENCE SENSORS BASED ON CORE-SUBSTITUTED NAPHTHALENE DIIMIDE AND Aza-BODIPY FOR RECOGNITION OF METAL IONS
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 12/6/2020)In this work, two new fluorescence probes had been successfully synthesized for detection of Cu2+ based on core-substituted naphthalene diimide and Aza-BODIPY (N1102 and N1004). The probes exhibited ON-OFF fluorescence ... -
Design and Syntheses of Fluorescent Sensors based on [5]Helicene Derivatives for Determining Hazard Heavy Metals for the Environmental Protection
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 12/6/2020)Contaminations of hazard heavy metal ions in beverage, food, cosmetic, and environment can lead to various human health problems. Therefore, fluorescent sensors for hazard heavy metal ions with high sensitivity and selectivity ... -
Syntheses of novel ultraviolet-visible and near-infrared fluorescent probes for their applications of ion sensing and petroleum labeling
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 12/6/2020)In this work, four new fluorescence probes were successfully synthesized based on rhodamine B, Aza-BODIPY and indole alkaloid compounds. The compounds offered the absorption and emission in the UV-visible and near-infrared ... -
ATTEMPTED SYNTHESIS OF CYCLOPENTENONE DERIVATIVES USING CHIRAL ANTHRACENE
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 12/7/2019)Cyclopentenones comprise of five membered ring with ketone and double bond in the same ring. This class of compounds was of interest since they possess a variety of biological activities. The previous studies were reported that ... -
SYNTHESES OF PENTAHELICENE DERIVATIVES FOR DETECTION OF MERCURY ION VIA FLUORESCENCE RESONANCE ENERGY TRANSFER
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 12/7/2019)A new fluorometric and colorimetric sensor (1), consisted of pentahelicene and two units of rhodamine B, was successfully synthesized. Sensor 1 operated through FRET process from the pentahelicene energy donor to the ... -
Design and syntheses of visible and near-infrared fluorescent sensors for copper and fluoride ion detection
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 12/7/2019)Two novel fluorescence sensors were developed for detection of copper and fluoride ions. Sensors I composed of an aza-boron-dipyrromethene (aza-BODIPY) core as near-infrared (NIR) fluorophore covalently bound to two ... -
Synthesis of Tetrahydro-beta-carboline and derivatives
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 17/8/2018)Tetrahydro-ß-carbolines (THßCs) and derivatives are naturally occurring indole alkaloid which are heterocyclic structure consists of piperidine ring fused with indole ring. THßCs are widely distributed in natural products ... -
Synthetic Studies of Grandisine A and Stemoamide
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 17/8/2018)Alkaloids are a type of natural products which can be isolated from many kinds of creature such as plant, animal, fungi and bacteria. These kinds of natural products possess interesting biological activites for instance ... -
Synthesis and biological activities of Iheyamine A and Geldanamycin derivatives
Collection: Theses (Ph.D) - Organic Chemistry / ดุษฎีนิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 18/6/2021)Iheyamine A is a bis-indole alkaloid isolated from ascidians Polycitorella sp.. Iheyamine A is a heteroaromatic compound consisted of bis-indole fused with an azepine ring and showed moderately anticancer activity against ... -
Synthesis and Biological Activities Evaluation of Isomeric Iheyamine Derivatives
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 2/1/2019)Iheyamine A and B are annulated bis-indole alkaloid natural products which were isolated from an ascidian, Polycitorella sp.. Both compounds exhibited moderately anticancer activity against murine leukemia P388 cells, human ... -
Synthesis and Biological Activities of Methyl 5-(hydroxymethyl)-2-furan carboxylate and Derivatives
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(Silpakorn University, 2/1/2019)Methyl 5- (hydroxymethyl) -2-furan carboxylate is a furan natural products. It was reported to be isolated from Streptomyces sp., found in rhizomes of Zingiber zerumbet in Chanthaburi province. This compound showed significant ... -
การศึกษาองค์ประกอบทางเคมีของเปลือกผลสุกของสารภี
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(มหาวิทยาลัยศิลปากร, 2005) -
การศึกษาองค์ประกอบทางเคมีของรากช้าพลู
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(มหาวิทยาลัยศิลปากร, 2005) -
Chemical constituents of the resin of Garcinia hanburyi
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(มหาวิทยาลัยศิลปากร, 2007) -
Total synthesis of schulzeines and analogues and screening for alpha-glucosidase inhibitors
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(มหาวิทยาลัยศิลปากร, 2008) -
Chemical constituents of the branches of Anomianthus dulcis and the branches of Dalbergia cochinchinensis Pierre
Collection: Theses (Master's degree) - Organic Chemistry / วิทยานิพนธ์ - เคมีอินทรีย์Type: Thesis(มหาวิทยาลัยศิลปากร, 2008)