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 57
... extracted with butan - 1 - ol . These extracts were combined with the organic phase , which was then diluted with ether and extracted with aqueous sodium hydrogen carbonate . The resultant aqueous solution was washed with ether and ...
... extracted with butan - 1 - ol . These extracts were combined with the organic phase , which was then diluted with ether and extracted with aqueous sodium hydrogen carbonate . The resultant aqueous solution was washed with ether and ...
Page 204
... extracted with chloroform . The product on evaporation of the chloroform and recrystallisation from methanol - water was 1 - isoquinolone ( 1.50 g . , 86 % ) , m . p . 208 ° ( lit. , 208-5-209 ° ) [ benzoate , m . p . 147 ° ( lit. , 147 ...
... extracted with chloroform . The product on evaporation of the chloroform and recrystallisation from methanol - water was 1 - isoquinolone ( 1.50 g . , 86 % ) , m . p . 208 ° ( lit. , 208-5-209 ° ) [ benzoate , m . p . 147 ° ( lit. , 147 ...
Page 863
... extracted with chloroform ( 3 × 5 c.c. ) . Evapor- ation of the aqueous solution at 20 ° in vacuo , finally at 0.03 mm . , left a syrup which was dissolved in tetrahydrofuran ; this solution was filtered and again evaporated in vacuo ...
... extracted with chloroform ( 3 × 5 c.c. ) . Evapor- ation of the aqueous solution at 20 ° in vacuo , finally at 0.03 mm . , left a syrup which was dissolved in tetrahydrofuran ; this solution was filtered and again evaporated in vacuo ...
Contents
NO PAGE | 1 |
Nucleophilic reactivity Part IV Competing bimolecular substitution | 5 |
The biosynthesis of fungal metabolites Part I Two different pathways | 16 |
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absorption acetic acid acetic anhydride alkaline aluminium chloride Amer amine ammonia anhydride aqueous aromatic atoms band benzene bond bromide Calc carbon Chem chloride chloroform chromatography complex compound concentration coupling constants crystallised crystals decomp decomposition derivative dilute dimethyl dimethyl ether dioxan distilled dried Elution equation erythroaphin-fb erythroaphins ester ethanol ether ethyl ethyl acetate evaporated EXPERIMENTAL extracted formation Found fraction gave halides hydrochloric acid hydrogen hydrolysis infrared infrared spectra iodide irradiated isomer k₂ ligand light petroleum m. p. and mixed maltose manganese(III method mixed m. p. mixture mole molecule mµ log nitrogen obtained oxidation oxygen phenyl piperidine potassium precipitate prepared protoaphin proton pyridine quinone reaction recrystallised reflux requires residue room temperature salt sample sodium hydroxide solution solvent spectrum structure substitution Table ultraviolet values Vmax washed yellow yield