Ester derivatives
Synthesis and characterization of dextran ester derivatives and their adhesive properties
... dextran ester derivatives measured using ...dextran ester derivatives that did not break at the start of the meas- urement decreased at the tanδ peak ...pullulan ester ...
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Design, Synthesis, Characterization and Biological Evaluation of Benzothiazole Fused Guanidinopropionic Ester Derivatives.
... A novel series of Benzothiazole fused Guanidinopropionic ester derivatives have been synthesized and characterized by FTIR, 1 HNMR and mass spectral analysis. All the compounds were evaluated for their ...
131
Synthesis, Brain Antihypoxic Activity and Cell Neuroprotection of Ester Derivatives of 7 Theophylline acetic acid
... three ester derivatives of 7-theophylline-acetic acid and hydroxyl group containing compounds was studied by DCC/4-DMAP – mediated esterification under mild ...
8
Synthesis, Stability and Computational Study of some Ester Derivatives of Theophylline 7 acetic Acid with Antiproliferative Activity
... two ester derivatives 3a and 3b were more active than than ...an ester moiety is a structuralprerequisite for higher activity as compared to the non-estherifyed prototypic theophylline acetic ...
14
A Crystallization-Induced Asymmetric Transformation using Racemic Phenyl Alanine Methyl Ester Derivatives as Versatile Precursors to Prepare Amino Acids
... methyl ester derivatives as versatile precursors were prepared by reducing azlactone derivatives with Mg in methanol as a reducing reagent and then in the resolution step (S)- enantiomer of L-Dopa ...
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DESIGN, SYNTHESIS, CHARACTERIZATION AND EVALUATION OF THE ANTICANCER PROPERTIES OF OXA TRIAZACYCLOPENTA [B] PHENANTHRENE DICARBOXYLIC ESTER DERIVATIVES
... Pyrazole derivatives are used extensively to synthesize fused heterocyclic ...positional ester isomers using HPLC, LCMS, NMR and XRD (crystallization) ...
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A NOVEL MESOMORPHIC HOMOLOGOUS SERIES OF ESTER DERIVATIVES P (P’ N ALKOXY BENZOYLOXY) N HEPTYL BENZOATES
... Octyloxy derivatives: 893 & 842 cm -1 pera di substituted phenyl ring 1008, 1207, 1271 cm -1 ether linkage, 1442,1608 cm -1 aromatic ring, 1690 cm -1 ester present, 2866, 2941 long chain alkane ...
10
Identification of anti-inflammatory and other biological activities of 3-carboxamide, 3-carbohydrazide and ester derivatives of gatifloxacin
... It is established that N1, C2–H, C3-carboxylic acid, C4- carbonyl, C6-F, and C7-piperazine are essential or benefi- cial for the antibacterial activity of fluoroquinolones [12,13]. Modification or elimination of these ...
11
Anticancer properties of ester derivatives of betulin in human metastatic melanoma cells (Me-45)
... soluble derivatives [8]. Betu- lin derivatives were previously shown to have increased solubility in water ...these derivatives was investigated using human epidermoid carcinoma cells (A431) and ...
7
Amidation of unactivated ester derivatives mediated by trifluoroethanol
... the ester species used in the model reaction was altered to methyl 4-(trifluoromethyl)benzoate, as the inherent electron-withdrawing characteristic of which was anticipated to make the desired amidation reaction ...
84
Antimicrobial Activities of Novel Xylopic Acid Derivatives
... The ester derivatives of xylopic acid 3, 4, 5, and 6 did not show significant difference in antimicrobial activity as indicated by the MIC ...deacetylated derivatives of xylopic acid 2, also possess ...
6
EVALUATION OF PRESERVATIVE EFFECTIVENESS OF FERULIC ACID DERIVATIVES IN ALUMINIUM HYDROXIDE GEL USP
... p-amino ester and 8- hydroxy quinoline ester, naphthyl amide, morpholine amide of ferulic acid in the pharmaceutical ...and ester derivatives of ferulic acid were found effective against all ...
5
An investigation into the use of cobalt chelates in peptide synthesis : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science, Massey University, Palmerston North
... They have also demonstrated the preparation of alkyl ester derivatives of some of these complexes and the condensation of these derivatives with the free amino termini of amino acids,ami[r] ...
30
Isolation of Lupeol, Design and Synthesis of Lupeol derivatives and their Biological activity
... oxime ester derivatives from natural product Lupeol has been achieved using PCC oxidation, oxime formation followed by yamaguchi ...Synthesized derivatives can be screened for their antimicrobial and ...
8
Microwave irradiation: synthesis and characterization of α-ketoamide and bis (α-ketoamide) derivatives via the ring opening of N-acetylisatin
... -ketoamide) derivatives respectively via the ring opening of ...methyl ester derivatives in excellent yields and purities as observed from their spectral ...
10
Synthesis and Antibacterial Activity of Novel 3-Hydroxy Benzoic Acid Hybrid Derivative [Part I]
... The novel hybrid derivative of 3-Hydroxy benzoic acid was synthesized by cost effective industry viable process following the principle of green chemistry. The synthesis of hybrid derivative is another way to prepare ...
6
Development of a sustainable catalytic ester amidation process
... sustainable ester amidation ...of ester derivatives with amino alcohols in the presence of a catalytic quantity of an K 3 PO 4 deploying iso-propanol as solvent ...
22
Synthesis and anthelmintic potential of a novel series of 2-mercaptobenzimidazolopeptides
... acid derivatives 2-4 and ...benzimidazolopeptide derivatives, in comparison to other two species ...peptide derivatives 9-11 displayed better activity in comparison to corresponding ester ...
6
Bioengineering Functional Copolymers XVII Interaction of Organoboron Amide Ester Branched Derivatives of Poly(Acrylic Acid) with Cancer Cells
... amide-ester derivatives by amidolysis of PAA with 2-aminoethyldiphenyl borinate (2-AEPB) and their ,ω-hydroxy-methoxypoly(ethylene oxide) (PEO) macrobranched derivative by grafting of synthesized ...
10
Synthesis and antibacterial activity of some new amino acid derivatives of 3 chloro 6 methylbenzo[b]thiophene 2 carboxylic acid
... methyl ester derivatives (VIII-X) was carried out by the coupling reaction between 3-chloro-6-methylbenzo[b]-thiophene-2-carbonylamino acid hydrazide derivatives (V- VII) and some amino acid methyl ...
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