Journal of the Chemical Society, Part 2, Pages 1201-2488The Society., 1964 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 1494
... alginic acid was attempted on a column of diethylaminoethyl ( D.E.A.E . ) - cellulose by elution with potassium ... acid units are 1,4 - linked in the polymer has been derived from methylation studies.8 Support for this was the isolation ...
... alginic acid was attempted on a column of diethylaminoethyl ( D.E.A.E . ) - cellulose by elution with potassium ... acid units are 1,4 - linked in the polymer has been derived from methylation studies.8 Support for this was the isolation ...
Page 1495
... alginic acid dipropionate were reduced to primary alcohol groups . A hydrolysate of this reduced material revealed , in addition to mannose and gulose , trace spots of xylose and of slow - moving oligouronic acids , and three faint fast ...
... alginic acid dipropionate were reduced to primary alcohol groups . A hydrolysate of this reduced material revealed , in addition to mannose and gulose , trace spots of xylose and of slow - moving oligouronic acids , and three faint fast ...
Page 1497
... acid ( 0-2N ; 2.5 1. ) was stirred with the weed for 10—15 min . and then discarded , and fresh acid ( 2.5 1. ) was added and the mixture set aside overnight at 0 ° . The residual weed was then washed with water ... Alginic Acid . Part IV .
... acid ( 0-2N ; 2.5 1. ) was stirred with the weed for 10—15 min . and then discarded , and fresh acid ( 2.5 1. ) was added and the mixture set aside overnight at 0 ° . The residual weed was then washed with water ... Alginic Acid . Part IV .
Contents
NO PAGE | 1205 |
The SN mechanism in aromatic compounds Part XXX The sydnone ring | 1213 |
NO PAGE | 1224 |
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1-phenylethyl absorption acetic acid acetone acetonitrile adducts alcohol alginic acid Amer amine aniline aqueous atom benzene bond bromide Calc calculated carbon carboxyl CH₂ Chem chloride chloroform chromatography cm.¹ complex compounds concentration corresponding crystallised derived diazomethane diphenylphosphinic dissociation constants distilled enol equation equilibrium constants ester ethanol ether evaporated experimental extracted fluorine formation formed Found fraction gave H₂O hydrazine hydrides hydrogen cyanide hydrolysis hydroxide infrared spectrum iodide ionisation isomers k₁ k₂ kcal kinetic ligand methanolysis methyl mixed m. p. mixture mmoles mole mole-¹ molecule nitrogen nucleophilic o-complex obtained optical orbitals oxaloacetic acid oxidation oxygen peaks peroxide phenols phosphate phosphine potassium prepared proton pyridine rate coefficients reaction reduced reflux requires residue room temperature rotation shown similar sodium solution solvent spectra structure substituted sulphide sulphuric t-butyl Table tetracyanoethylene titration tricyanovinyl values yield