Indian Journal of Chemistry: Organic including medicinal, Volume 37Council of Scientific & Industrial Research, 1998 - Chemistry |
Contents
R1O | 2 |
Promotion of selectivity through organized Fries migration of various clixnarene esters n468 | 4 |
91 | 6 |
Copyright | |
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Common terms and phrases
13C NMR accepted revised acetic anhydride activity alcohol Anal anhydrous Ar-H aromatic protons benzene Calcd calix(n)arene calixarene carbon carboxylic CDCI CDCl3 CH₂ Chem Abstr Chem Soc chemical shifts chloride chromone column chromatography compounds COOH cooled crystallised cyclic sulfate cycloaddition D₂O Delhi Department of Chemistry derivatives DMSO-d dried esters ethanol ether ethyl acetate EtOH Experimental Section extracted filtered formation Found Fries migration H NMR CDC13 heterocyclic Indian J Chem IR(KBr Melting points MeOH mesitylene methyl mmol mmoles moiety mole NaOH nitrone NMR spectra obtained OCH3 organic oxidation phenyl piperidine procedure protons pyridine R₁ reaction mixture reagent recrystallized refluxed residue ring room temperature Scheme silica gel Singh sodium solid solution solvent spectra were recorded spectral data spectrometer spectrum stirred structure substituent synthesis Table Tetrahedron Lett toluene vacuo washed with water yield