Journal of the Chemical SocietyThe Society., 1964 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 206
... chromatography with the following irrigants : ( i ) pyridine - butan - 1 - ol - water ( 3 : 10 : 3 ) ; ( ii ) acetic ... chromatography with inactive maltose and [ 14C ] - maltose was used to examine the irradiated solutions ...
... chromatography with the following irrigants : ( i ) pyridine - butan - 1 - ol - water ( 3 : 10 : 3 ) ; ( ii ) acetic ... chromatography with inactive maltose and [ 14C ] - maltose was used to examine the irradiated solutions ...
Page 333
... Chromatography showed that a trace of benzyl dihydrogen phosphate was also present . Recrystallisation from water gave the pure pyrophosphate , in needles ( 187 mg . , 41 % ) , m . p . 221-225 ° , which showed one spot ( Rp 0 · 67 in A ) ...
... Chromatography showed that a trace of benzyl dihydrogen phosphate was also present . Recrystallisation from water gave the pure pyrophosphate , in needles ( 187 mg . , 41 % ) , m . p . 221-225 ° , which showed one spot ( Rp 0 · 67 in A ) ...
Page 377
... chromatography in propan - 2 - ol - ammonia ( d 0.88 ) -water ( 70 : 6 : 30 ) and examined for the presence of urea , 14 none could be detected . The method was capable of detecting < 0.5 % of the total urea which could be liberated ...
... chromatography in propan - 2 - ol - ammonia ( d 0.88 ) -water ( 70 : 6 : 30 ) and examined for the presence of urea , 14 none could be detected . The method was capable of detecting < 0.5 % of the total urea which could be liberated ...
Contents
By J K P ARIYARATNE and M L H GREEN | 1 |
The biosynthesis of fungal metabolites | 16 |
Monofluoroisoquinolines | 22 |
105 other sections not shown
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Common terms and phrases
absorption acetic acid acetic anhydride alkaline aluminium chloride Amer amine anhydride aphins aqueous aromatic atoms band benzene bond bromide Calc carbon Chem chloride chloroform chromatography cm.¹ complex compound concentration coupling constants crystallised crystals decomp decomposition derivatives diazomethane dilute dimethyl dioxan dried Elution equation erythroaphin-fb erythroaphins ester ethanol ether ethyl ethyl acetate evaporated EXPERIMENTAL extracted formation formed Found fraction gave halides hydrochloric acid hydrogen hydrolysis infrared infrared spectra iodide irradiated isomer ligand light petroleum m. p. and mixed maltose mixed m. p. mixture mole molecule mµ log ɛ nitrogen nuclear magnetic resonance obtained oxidation oxygen phenyl piperidine potassium prepared protoaphin protoaphin-fb proton pyridine quinone reaction recrystallised refluxed requires residue ring room temperature sample similar sodium hydroxide solution solvent spectrum structure substituted Table ultraviolet values washed yellow yield