Thirteen New Xanthone Derivatives from Calophyllum caledonicum (Clusiaceae)Total and Local Quadratic Indices of the Molecular Pseudograph's Atom Adjacency Matrix: Applications to the Prediction of Physical Properties of Organic CompoundsThe Ring Transformation of 3-Methyl-5-nitropyrimidin-4(3H)-oneTheoretical Study on the Interaction of o-Tetrafluorophenylene Mercury with Ethylene and AcetyleneThe Use of 4-(3,4-Dichlorophenyl)-4-Oxo-2-(4-Antipyrinyl)-Butanoic Acid in the Preparation of Some New Heterocyclic Compounds With Expected Biological Activity

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Thirteen New Xanthone Derivatives from Calophyllum caledonicum (Clusiaceae)An EtOAc extract of the stem bark of Calophyllum caledonicum (Clusiaceae) yielded thirteen new hydro
Total and Local Quadratic Indices of the Molecular Pseudograph's Atom Adjacency Matrix: Applications to the Prediction of Physical Properties of Organic CompoundsA novel topological approach for obtaining a family of new molecular descriptors is proposed. In thi
The Ring Transformation of 3-Methyl-5-nitropyrimidin-4(3H)-one3-Methyl-5-nitropyrimidin-4(3H)-one readily reacts with carbonyl compounds to produce three kinds of
Theoretical Study on the Interaction of o-Tetrafluorophenylene Mercury with Ethylene and AcetyleneThe results of a theoretical study on the interaction of o-tetrafluorophenylene mercury with ethylen
The Use of 4-(3,4-Dichlorophenyl)-4-Oxo-2-(4-Antipyrinyl)-Butanoic Acid in the Preparation of Some New Heterocyclic Compounds With Expected Biological ActivityReaction of 4-oxo-4-(3,4-dichlorophenyl)-2-butenoic acid (1) with antipyrin (2) gave the correspondi
The 3-Attractor Water Model: Monte-Carlo Simulations with a New, Effective 2-Body Potential (BMW)According to the precepts of the 3-attractor (3-A) water model, effective 2-body water potentials sh
Theoretical Studies on Electronic States of Rh-C60. Possibility of a Room-temperature Organic FerromagnetA possible mechanism for a ferromagnetic interaction in the rhombic (Rh) formof C₆₀ (Rh-C
The Effects of Conjugation Path Variation on Electron Delocalization in Phenoxyl-Based Systems.A number of persistent 2,6-di-tert-butylphenoxyl based radicals were synthesized as models for unpai
Toward Pyridine-Fused Selenium-Containing AntioxidantsPhotolysis of the thiohydroximate ester derivative 21 of 2-carboethoxy-2-(2- (benzylseleno)pyridin-3
The Preparation of Fluorescence-Quenched Probes for Use in the Characterization of Human Factor Xa Substrate Binding DomainsThe preparation and characterization by LCMS of a library of 55 fluorescence- quenched peptides is d
The Synthesis of Dicationic Extended Bis-BenzimidazolesThe synthesis of extended dicationic bis-benzimidazoles starting from trans-1,2-bis(4-cyanophenyl)et
The Nature of Hydrogen Bond:New Insights into Old TheoriesAlmost hundred years old concepts on hydrogen bonding are brought into light to be compared to the c
The G140S mutation in HIV integrases from raltegravir-resistant patients rescues catalytic defect due to the resistance Q148H mutationRaltegravir (MK-0518) is the first integrase (IN) inhibitorto be approved by the US FDA
Telomerase activity is associated with an increase in DNA methylation at the proximal subtelomere and a reduction in telomeric transcriptionTumours and immortalized cells avoid telomere attrition by usingeither the ribonucleopro
The N-terminal PIN domain of the exosome subunit Rrp44 harbors endonuclease activity and tethers Rrp44 to the yeast core exosomeNuclear and cytoplasmic forms of the yeast exosome share 10components, of which only Rrp
Transcriptional control by adenovirus E1A conserved region 3 via p300/CBPThe human adenovirus type 5 (HAdV-5) E1A 13S oncoprotein isa potent regulator of gene ex
The Torso signaling pathway modulates a dual transcriptional switch to regulate tailless expressionThe Torso (Tor) signaling pathway activates tailless (tll) expressionby re
Telomere length measurement by a novel monochrome multiplex quantitative PCR methodThe current quantitative polymerase chain reaction (QPCR) assayof telomere length measur
The crystal structure of a replicative hexameric helicase DnaC and its complex with single-stranded DNADNA helicases are motor proteins that play essential roles inDNA replication, repair and
The structure of M.EcoKI Type I DNA methyltransferase with a DNA mimic antirestriction proteinType-I DNA restriction–modification (R/M) systems areimportant agents in limiting

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