Journal of the Chemical SocietyThe Society., 1954 |
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Page 112
... alumina gave a product which still contained benzoperylene . Benzoperylene fraction . Fractions 25-42 ( see scheme ) were a greenish - yellow oil , estimated spectrophotometrically to contain 20 mg . of a benzoperylene . It was ...
... alumina gave a product which still contained benzoperylene . Benzoperylene fraction . Fractions 25-42 ( see scheme ) were a greenish - yellow oil , estimated spectrophotometrically to contain 20 mg . of a benzoperylene . It was ...
Page 250
... alumina , and the main red band eluted with benzene . Evaporation gave 1 - m - chlorobenzylaminoanthraquinone which crystallised from chlorobenzene in red needles ( 2 g . ) , m . p . 209–211 ° ( Found : C , 72-6 ; H , 4 · 0 ; N , 4-1 ...
... alumina , and the main red band eluted with benzene . Evaporation gave 1 - m - chlorobenzylaminoanthraquinone which crystallised from chlorobenzene in red needles ( 2 g . ) , m . p . 209–211 ° ( Found : C , 72-6 ; H , 4 · 0 ; N , 4-1 ...
Page 466
... Alumina .— ( a ) Acid- washed alumina ( for preparation , see preceding paper ) . The ketone ( 0.5 g . ) in light petroleum- benzene ( 11 ) was adsorbed on acetic acid - washed alumina ( 30 g . ) . Elution with the same solvent mixture ...
... Alumina .— ( a ) Acid- washed alumina ( for preparation , see preceding paper ) . The ketone ( 0.5 g . ) in light petroleum- benzene ( 11 ) was adsorbed on acetic acid - washed alumina ( 30 g . ) . Elution with the same solvent mixture ...
Contents
Organic | xv |
Magnetic Moments and Stereochemistry of Cobaltous Compounds | xv |
789Tetrahydro4 7sulphinylthionaphthen | 15 |
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absorption spectra acetic acid acetic anhydride acetone acetyl added addition alcohol alkaline alumina aluminium Amer amine ammonia aqueous atom band benzaldehyde benzene boiling bond bromide Calc carbonate carbonyl Chem chloride chloroform chromatography colour colourless complexes compound concentrated cooled crystallised crystals cyanogen cyanogen chloride decomp derivatives diazotised dilute dissolved distilled dried eluted equiv ester ether evaporated extracted ferric filtered formed Found fraction gave give H₂O heated hydrobromic acid hydrochloric acid hydrogen hydrogen chloride hydrolysis infra-red isolated ketone ligand light petroleum b. p. liquid m. p. and mixed methanol methyl mixed m. p. mixture molecule needles nitrate obtained orbitals oxidation phenol phosphate potassium hydroxide precipitate prepared pyridine reaction refluxed Reprint Order requires residue room temperature salt separated sodium carbonate sodium hydroxide solid solution solvent spectrum stirring sulphate sulphide sulphone sulphuric acid Table washed yield