搜索结果: 1-9 共查到“化学 isolation”相关记录9条 . 查询时间(0.768 秒)
Isolation of bis(1,4-diphenyl-1,4-bis(2-pyridyl)-2,3-diaza-1,3-butadiene) disilver with bridging (N-N) dinucleating subunits: formation of a 6-membered chelate ring
Isolation dinucleating subunits formation a 6-membered chelate ring
2010/10/15
A novel Ag(I) dinuclear complex {[(C6H5)(C5H4N)-C=N-N=C- (C5H4N)(C6H5)]Ag}2.ClO4(ClO4) (1/2CH3CN) (1) that was derived under mild conditions, during the course of combination of AgClO4 with a polymorp...
Isolation and identification of a new acetildenafil analogue used to adulterate a dietary supplement: dimethylacetildenafil
Acetildenafil analogue dimethylacetildenafil adulteration
2010/10/15
A new sildenafil analogue was found to have been added illegally to a dietary supplement marketed for the enhancement of sexual function. The structure was determined as 5-(2-ethoxy-5- {[4-(3,5-dimeth...
Isolation and Structural Analysis In Vivo of Newly Synthesized Fructooligosaccharides in Onion Bulbs Tissues (Allium cepa L.) during Storage
Structural Analysis Storage Onion Bulbs 6G-fructosyltransferase
2009/9/4
Fructooligosaccharides are involved in physiological activities and quality attributes of onion bulbs. This work describes structures of newly synthesized oligosaccharides formed by fructose moieties ...
Synthesis and Isolation of 1-Cyclohex-1,2-dien-1-ylbenzene from 1-(2-Iodocyclohex-1-en-1-yl)benzene and 1-(2-Iodocyclohex-2-en-1-yl)benzene
Cyclic strained allenes dehydroiodination dimerisation cycloaddition
2010/4/8
The key compounds, 1-(2-iodocyclohex-1-en-1-yl) benzene (12) and 1-(2-iodocyclohex-2-en-1-yl) benzene (13), for the generation of 1-cyclohex-1,2-dien-1-ylbezene (20) were synthesized starting with cyc...
Gold(III) Complex of Caffeine: Synthesis, Isolation and Spectroscopic Characterization
Caffeine gold(III)-complex, IR-LD spectroscopy 1H-NMR
2010/4/19
Au(III)-caffeine complex was synthesized and characterized by means of solid-state linear-dichroic infrared spectral analysis (IRLD), 1H-NMR, MS, DSC and TGA methods. The caffeine (I) is monodentate a...
Synthesis and Isolation of New Regioisomeric 4-Thiazolidinones and Their Anticonvulsant Activity
4-thiazolidinones synthesis separation anticonvulsant activity
2010/4/20
Two regioisomer series, 2-(3-ethyl-4(3H)-quinazolinone-2- ylmercaptoacetylhydrazono)-3-alkyl/3-aryl-5-methyl-4-thiazolidinones (12-21) and 2-arylimino-3-(3-ethyl-4(3H)-quinazolinone-2-ylmercaptoacetyl...
Isolation and Characterization of a Smectite as a Micro-Mesoporous Material from a Bentonite
Bentonite mineralogy porosity purification smectite suspension
2010/4/21
A procedure was assessed for obtaining an optimum amount of a micro-mesoporous material known as smectite from Reşadiye (Tokat/Turkey) bentonite. The procedure, which will permit a better economi...
Isolation and Structure Elucidation of Novel Natural Products from Turkish Lichens
Turkish lichens Pseudevernia furfuracea Evernia prunastri Letharia vulpina Phenolic compounds
2010/4/21
Three natural products were isolated from three different Turkish lichens. Microbiological investigations were also examined of these lichens. Compound 1 is known as 2-hydroxy-4-methoxy-3,6-dimethyl b...
The Isolation of Carboxylic Acids from the Flowers of Delphinium formosum
Carboxylic acid, isolation Delphinium formosum chromatography
2010/6/27
From the flowers of Delphinium formosum Boiss. et Huet. (Ranunculaceae) trans-aconitic, p-hydroxybenzoic, p-coumaric, caffeic and chlorogenic acids were isolated and identified. In addition, protocate...