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 710
... ethanol ) . Treat- ment of the tetrahydro - compound with palladium - charcoal afforded 6 - methyl - y - carboline ( 40 % ) , as prisms , m . p . 244 ° ( sublim . > 195 ° ) ( from ethanol ) [ Found : C , 79-2 ; H , 6-2 ; N , 14.8 % ; M ...
... ethanol ) . Treat- ment of the tetrahydro - compound with palladium - charcoal afforded 6 - methyl - y - carboline ( 40 % ) , as prisms , m . p . 244 ° ( sublim . > 195 ° ) ( from ethanol ) [ Found : C , 79-2 ; H , 6-2 ; N , 14.8 % ; M ...
Page 754
... ethanol ( 20 c.c. ) and concentrated hydrochloric acid ( 4 c.c. ) was treated with sodium nitrite and tetrafluoroborate as above . The diazonium tetrafluoroborate ( 2.9 g . , 97 % ) crystallised from methanol as orange needles , m . p ...
... ethanol ( 20 c.c. ) and concentrated hydrochloric acid ( 4 c.c. ) was treated with sodium nitrite and tetrafluoroborate as above . The diazonium tetrafluoroborate ( 2.9 g . , 97 % ) crystallised from methanol as orange needles , m . p ...
Page 1061
... ethanol , which was boiled for about 2 hr . The purple crystals were collected , washed thoroughly with ethanol and dried ( 40 ° / 0.1 mm . ) , giving the compound , ( 1.8 g . , 89 % ) m . p . 190 ° ( decomp . ) ( Found : C , 54-2 ; H ...
... ethanol , which was boiled for about 2 hr . The purple crystals were collected , washed thoroughly with ethanol and dried ( 40 ° / 0.1 mm . ) , giving the compound , ( 1.8 g . , 89 % ) m . p . 190 ° ( decomp . ) ( Found : C , 54-2 ; H ...
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 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 dimethyl ether dioxan dried Elution equation erythroaphin-fb erythroaphins ester ethanol ether ethyl ethyl acetate evaporated EXPERIMENTAL extracted formation Found fraction gave halides hydrochloric acid hydrogen hydrogen chloride hydrolysis infrared infrared spectra iodide irradiated isomer k₂ ligand light petroleum m. p. and mixed maltose mixed m. p. mixture mole molecule mµ log ɛ nitrogen obtained oxidation oxygen phenyl piperidine potassium precipitate prepared protoaphin proton pyridine quinone reaction recrystallised refluxed requires residue room temperature sample similar sodium hydroxide soluble solution solvent spectrum structure substitution Table ultraviolet values washed yellow yield