A Highly Efficient Synthesis of Z-Macrocycles using Stereoretentive,
Recent advances in the synthesis of peptoid macrocycles.
... 3 enzymatic degradation. Furthermore, the shift of the side- chain means there are no stereogenic centres on the peptoid backbone. The lack of amide backbone protons means that peptoids are more flexible than their ...
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Synthesis and reactivity of NHC based rhodium macrocycles
... 22 Vazquez-Serrano, L. D.; Owens, B. T.; Buriak, J. M. Inorg. Chim. Acta 2006, 359, 2786–2797. 23 Miecznikowski, J. R.; Gründemann, S.; Albrecht, M.; Mégret, C.; Clot, E.; Faller, J. W.; Eisenstein, O.; Crabtree, R. H. ...
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A Simple and Highly Efficient Enantioselective Synthesis of (S) Rivastigmine
... procedure includes, insitu preparation of N-sulfiny- limine 11 from 13 and (S)-8 using Ti(OEt) 4 as Lewis acid and water scavenger in tetrahydrofuran. Imine on reduction with sodium borohydride at –48˚C furnished ...
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Highly efficient synthesis of DNA-binding polyamides using a convergent fragment-based approach
... the synthesis of hairpin pyrrole-imidazole polyamides (PAs) are ...phase synthesis of a C-terminal fragment and the solution phase synthesis of the N-terminal ...
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Highly efficient and practical synthesis of 2 amino chromene derivatives using ionic base
... of using ionic base anhydrous potassium carbonate and ethanol as solvent leads to give 2-Amino-3-Cyano Chromene Derivatives 3a 1- 10 and 2-Amino-3-Carboxylate Chromene Derivatives 3b 1-10 obtain by using ...
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Highly Efficient Synthesis of New 2H-Chromene Dyes using Cu-SBA-15
... INTRODUCTION 2H-chromenes are ver y impor tant heterocyclic compounds which have shown biological activities 1-4 , some medical properties such as antihypertensive 5 and cardio protectors as well as hypoglycemic agents ...
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A highly efficient green synthesis of 1, 8-dioxo-octahydroxanthenes
... 4d, using different type of the catalysts was compared with SmCl 3 . The data on catalysts ranging from neutral slats, protic acids, and Lewis acids (Table 3, Scheme 3) were used for the comparison. This clearly ...
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Highly efficient synthesis of the tricyclic core of Taxol by cascade metathesis
... OBOM), using Danishefsky's route to convert the C3-C4 alkene into the ketone 5 and Granja's method to install the 11-ene-10,13 diol from the C10-C13 ...a highly effi- cient access to this ...the ...
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Highly Efficient Synthesis of 2-substituted 4(3H)-quinozolinones Derivatives Using Boron Tribromide as a Catalyst
... Considering the significance of this class of compounds, many efforts have been devoted to explore the methodologies for the construction of 4(3H)-quinazolinone skeletons. Several methods for the synthesis of ...
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SbCl3 as an Efficient Catalyst for the One-pot Synthesis of Highly Substituted Piperidines
... Under the optimized reaction conditions, the generality of the reaction was investigated using various aldehydes, anilines and β-ketoesters to produce piperidines derivatives. The results are summarized in Table ...
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Highly Efficient Targeted Mutagenesis in Mice Using TALENs
... error-prone synthesis of oligonucleotides and identify ODN quality and length as important factors to optimize the net rate of correctly modified ...the synthesis of shorter ODNs correlates with an increased ...
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Bi(OTf)3 as a powerful and efficient catalyst for the synthesis of highly functionalized piperidines
... organic synthesis due to its low toxicity, commercial availability, moisture stability, and recyclability ...an efficient one-pot synthesis of highly substituted and functionalized piperidine ...
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Highly efficient synthesis of LTA type aluminophosphate molecular sieve by improved ionothermal method
... Nitrogen adsorption/desorption studies were conducted on a Micromeritics ASAP 2020 surface area and pore size analyzer at -196 ºC. Samples were outgassed at 350 ºC for 4 h prior to the measurements. Specific surface ...
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A Highly Efficient Method for Site-Specific Modification of Unprotected Peptides after Chemical Synthesis
... a highly efficient method for the site-specific attachment of biophysical probes to unprotected peptides after chemical ...peptide synthesis. The functional N-methylaminooxy group is unmasked ...
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Improved Organic Dye Degradation using Highly Efficient MXene Composites
... 5. Conclusion La and Mn Co-doped BiFeO 3 (BFO) nanoparticles as Bi 1-x La x Fe 1-y Mn y O 3 with concentrations (x = 0.1, y = 0.0, 0.05, 0.10, 0.20, 0.25) were synthesized using double-solvent sol-gel method. The ...
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Application of one pot three component condensation reaction for the synthesis of new organophosphorus sulfur macrocycles
... the synthesis of 1–3 and 5–12 do not need highly dilute solutions and are in fact quite concentrated for a macrocyclizaton ...by using the same starting material in the presence of the strong base of ...
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Sulfonic acid supported on Fe2O3/VO2 nanocatalyst: A highly efficient and reusable nanocatalyst for synthesis of spirooxindole derivatives
... the synthesis of spirooxindole derivatives by the reaction of isatin, 1,3-cyclohexadiene and malonitrile in solvent-free ...characterized using fourier transform infrared spectroscopy (FT-IR), scanning ...
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Synthesis and Characterisation of Tetra-tetrazole Macrocycles
... Bond, A., Fleming, A., Kelleher, F., McGinley, J., Prajapati, V., Skovsgaard, S.: Synthesis and Characterisation of Tetra-tetrazole Macrocycles. Tetrahedron, vol. 63 (29), 16 July 2007, p.6835–6842 This ...
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A short synthesis of 1,5 cyclooctadiene macrocycles
... 8-membered macrocycles have the carbocyclic frame work of several ...8-Membered macrocycles, domino intermolecular alkylation and cycloalkylation, 1,5cyclooctadiene, Reformatsky ...
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Synthesis and Characterization of Macrocycles Derieved f
... derivatives have posses extensive biological properties such as antitumor 6 , anti-tubercular 7 and analgesic activities inclusion of azole fragments in the ring of macrocycles can be enhanced the range of the ...
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