Xanthene derivatives
Microwave Promoted Perchloric Acid catalyzed One Pot Synthesis of Xanthene Derivatives under solvent –free conditions
... tetrahydrobenzo[a]xanthen-11-one derivatives through one-pot three-component condensation reaction strategy of β -naphthol with aldehydes and cyclic 1, 3-dicarbonyl compounds using Perchloric acid as a catalyst ...
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GREEN SYNTHESIS OF POLYSUBSTITUTED QUINOLINES AND XANTHENE DERIVATIVES PROMOTED BY TARTARIC ACID AS A NATURALLY GREEN CATALYST UNDER SOLVENT-FREE CONDITIONS
... and xanthene ring systems exhibit DNA binding capability [14], antitumor [15,16] (Figure 1) and antihypertensive [17] activities, tyro kinase platelet-derived growth factor receptors inhibiting [18] and ...
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← Return to Article Details INTRODUCING AN EFFECTIVE NANOCATALYTIC FOR THE ONE-POT SYNTHESIS AND INVESTIGATION OF BIOLOGICAL PROPERTIES OF PYRANOPYRIMIDINONE AND XANTHENE DERIVATIVES
... In this study, an effective method for the synthesis of pyranopyrimidinone and xanthene derivatives is introduced. In this method, zinc oxide-chitosan nanocomposite has been used as a catalyst and all ...
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DABCO Promoted Multi-Component one-pot Synthesis of Xanthene Derivatives
... The reaction of dimedone with various heteroaryl aldehydes afforded the corresponding heteroaryl substituted xanthene derivatives. Reaction proceeds via initial Knoevenagel, subsequent micheal and final ...
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Two Independent Intermolecular 1D-Polymeric H-Bonds between Each Enantiomer in Octahydro-1H-Xanthene-1,8(2H)-Diones and Bis-Xanthen Analogues: Synthesis and Crystal Structure
... Xanthene derivatives of 1,8-dioxo-octahydroxanthenes are an important class of heterocycle containing oxygen atom in which an aryl substituted pyran ring is fused on either side with two cyclohexenone ...
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9 Methoxy 9 (2 methoxyphenyl) 9H xanthene
... Weaker C—H···π interactions include C20···π(C14—C19) = 3.680 Å and an intramolecular C21···π(O1—C13) = 2.974 Å. The shortest π–π contact of 4.034 Å is an intramolecular edge to face interaction between π(O1—C13) and ...
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L Pyrrolidine 2 Carboxylic Acid Sulfate (LPCAS): A New Ionic Liquid for the Synthesis of 14 Aryl 14H Dibenzo[a,j] Xanthenes under Solvent Free Condition
... Xanthene derivatives have been attracted to researchers due to their signifi- cant value in pharmaceutical ...j] xanthene deriva- tives possesses biological potential such antibacterial [2], ...
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← Return to Article Details SOLVENT FREE, ONE POT SYNTHESIS OF SYMMETRIC XANTHENE DYES AND THEIR ELECTROCHEMICAL STUDY
... of xanthene dyes derivatives from 4, 4’-oxydiphthalic anhydride and 1, 4, 5, 8-naphthalenetetracarboxylic dianhydride (3a-e and 6a-e) with different substituted phenols via Friedel-Crafts acylation reaction ...
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9 (2,4 Difluorophenyl) 3,3,6,6 tetramethyl 3,4,5,6,7,9 hexahydro 2H xanthene 1,8 dione
... dyes. Xanthene derivatives are used as dyes (Hilderbrand & Weissleder, 2007) and are used in medicine as they possess biological properties like antibacterial, antiviral and anti-inflammatory activities ...
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2,6-Pyridinedicarboxylic acid as an efficient and mild organocatalyst for the one-pot synthesis of xanthene derivative
... In another study, we carried out the reaction of 5,5-dimethyl-1,3-cyclohexanedione 4 instead of β-naphthol 2 by various aromatic aldehydes such bearing electron-donating substituents, electron withdrawing substituents or ...
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9 (2,4 Dinitrophenyl) 3,3,6,6 tetramethyl 3,4,5,6,7,9 hexahydro 1H xanthene 1,8(2H) dione
... dyes. Xanthene derivatives are used as dyes (Hilderbrand & Weissleder, 2007), possess biological properties like antibacterial, antiviral and anti-inflammatory (Dimmock et ...quinonoid xanthene ...
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A CONVENIENT ONE POT SYNTHESIS OF TETRAHYDROBENZO [C] XANTHENE 1,11 DIONE DERIVATIVES IN AQUEOUS MEDIUM
... Xanthenes and benzoxanthenes have concerned considerable interest because they possess various biological activities such as antibacterial [1] , anti-inflammatory [2] and antiviral activities. [3] These structural ...
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AN EXPLORATION OF SUNDRY NATURE OF BENZOTRIAZOLE DERIVATIVES: A REVIEW
... This work professes that benzotriazole moiety not only show sundry nature but also enjoy celebrity status among medicinal or pharmacological community. Now a day, many research groups are doing collaborative research to ...
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Optical properties of xanthene based fluorescent dyes studied by stretched film linear dichroism
... Xanthene dyes are commonly used to label proteins in order to probe their location and activity using fluorescence spectroscopy and microscopy. However, fundamental properties such as the polarizations of ...
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Green Synthesis of ZnO Nanoparticles via Sol-gel Method and Investigation of Its Application in Solvent-free Synthesis of 12-Aryl-tetrahydrobenzo[α]xanthene-11-one Derivatives Under Microwave Irradiation
... Using this optimized condition, a varied type of aldehydes, dimedone and 2-naphthol were subjected to undergo three-component condensation in the presence of ZnO under solvent-free conditions (Table 3). Then, various ...
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7a,13b Ethylenedioxy 1 hydroxy 7a,13b dihydrodibenzo[a,kl]xanthene
... because the chemical shift of the carbonyl group was much less than the usual range of the carbonyl group of ,-unsaturated ketones (180±213 p.p.m.). In order to further clarify the molecular structure, X-ray ...
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THE STUDY OF INVESTOR S PERCEPTION TOWARDS DERIVATIVES AS AN INVESTMENT AVENUE. Dr. Babaraju. K. Bhatt Principal
... about derivatives, out of which 74 percent have invested in ...in derivatives followed by users who invest 20 percent – 35 percent of their total investment in ...
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REVIEW: SYNTHESIS SCHEMES OF ANTIMICROBIAL AND ANTICANCER THIAZOLE DERIVATIVES
... Thiazole derivatives have been reported to posse’s broad spectrum of pharmacological activities like anticancer 19 , antidiabetic 20 , CNS depressant 21 , analgesic 22 , ...
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(E) 2 Methoxy 9 (2 methoxy 9H xanthen 9 ylidene) 9H xanthene
... Data collection: CrysAlis PRO Oxford Diffraction, 2007; cell refinement: CrysAlis PRO; data reduction: CrysAlis PRO; programs used to solve structure: SHELXS97 Sheldrick, 2008; programs [r] ...
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9 (2 Chlorophenyl) 4a hydroxy 3,4,4a,5,6,7,9,9a octahydro 2H xanthene 1,8 dione
... Data collection: APEX2 Bruker, 2007; cell refinement: SAINT Bruker, 2007; data reduction: SAINT; programs used to solve structure: SHELXTL Sheldrick, 2008; programs used to refine struct[r] ...
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