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 1571
... residue was extracted with ether ( 5 × 50 ml . ) . The extract was filtered , the solvent removed , and the yellow residue ( yield ca. 25 % ) was sublimed in a long column at 35 ° / 103 mm . for 1 week ( Found : C , 26-2 ; H , 2.2 ...
... residue was extracted with ether ( 5 × 50 ml . ) . The extract was filtered , the solvent removed , and the yellow residue ( yield ca. 25 % ) was sublimed in a long column at 35 ° / 103 mm . for 1 week ( Found : C , 26-2 ; H , 2.2 ...
Page 1572
... residue was extracted with an ether ( 95 % ) - chloroform ( 5 % ) mixture ( 3 × 80 ml . ) . The solution was filtered and concentrated slowly in vacuo affording pale yellow crystals . The mother - liquor , containing the dioxo ...
... residue was extracted with an ether ( 95 % ) - chloroform ( 5 % ) mixture ( 3 × 80 ml . ) . The solution was filtered and concentrated slowly in vacuo affording pale yellow crystals . The mother - liquor , containing the dioxo ...
Page 2253
... residue was then extracted with boiling methanol ( 5 × 50 ml . ) , leaving an insoluble residue . The combined methanolic extracts were taken to dryness under reduced pressure , and the residue , when triturated with ether and then ...
... residue was then extracted with boiling methanol ( 5 × 50 ml . ) , leaving an insoluble residue . The combined methanolic extracts were taken to dryness under reduced pressure , and the residue , when triturated with ether and then ...
Contents
NO PAGE | 1205 |
The SN mechanism in aromatic compounds Part XXX The sydnone ring | 1213 |
NO PAGE | 1224 |
57 other sections not shown
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Common terms and phrases
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