Quarterly Journal of the Chemical Society of London |
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Page 35
... crystallised twice from 80 % alcohol , when desmotropo -- santonin was deposited as colourless needles ( 0.06 g ... crystallised from dilute alcohol as long needles , m . p . 164 ° ( Found : C , 74-8 ; H , 6-2 . C2H2O , requires C , 75-4 ...
... crystallised twice from 80 % alcohol , when desmotropo -- santonin was deposited as colourless needles ( 0.06 g ... crystallised from dilute alcohol as long needles , m . p . 164 ° ( Found : C , 74-8 ; H , 6-2 . C2H2O , requires C , 75-4 ...
Page 38
... crystallised from ligroin as colourless plates , m . p . 40. Its 2 : 4 - di- nitrophenylhydrazone crystallised from benzene as orange needles with a violet reflex , m . p . 246-247 ( decomp . ) ( Found : C , 59-2 ; H , 5-25 . C19H20O5N ...
... crystallised from ligroin as colourless plates , m . p . 40. Its 2 : 4 - di- nitrophenylhydrazone crystallised from benzene as orange needles with a violet reflex , m . p . 246-247 ( decomp . ) ( Found : C , 59-2 ; H , 5-25 . C19H20O5N ...
Page 78
... crystallised from ethanol . The separated product ( 3.5 g . ) on crystallisation from ethyl acetate afforded colourless plates ( 3.15 g . , 40 % ) , m . p . 140-141 ° ( Found : C , 81-9 ; H , 6 · 85 . C20H20O2 requires C , 82 · 1 ; H ...
... crystallised from ethanol . The separated product ( 3.5 g . ) on crystallisation from ethyl acetate afforded colourless plates ( 3.15 g . , 40 % ) , m . p . 140-141 ° ( Found : C , 81-9 ; H , 6 · 85 . C20H20O2 requires C , 82 · 1 ; H ...
Contents
The Ternary Systems NaSCNCa SCNH₂O KSCNCaSCNH₂O NHSCNCaSCNH₂O | 1 |
Rareearth Metal Oxides | 7 |
The Acetone Derivatives of Hexahydric Alcohols Part I Triacetone Mannitol and its Conversion | 13 |
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Common terms and phrases
3′-pyridoacridine 4-dideuterobenzene absorption acetic acid acetone acridone active added alkali alkyl Amer amidine ammonia atoms bands benzene bimolecular boiling Calc carbinol CH₂ Chem Chemical chloride combination tones compound condensation cooled crude crystallised D.Sc decomp derivative deuterated benzenes deuterium dilute dissolved distilled dried effect ester ether ethyl alcohol experimental extracted filtered formed Found fraction fundamental frequencies gave give b. p. halides heated hexadeuterobenzene hydrochloric acid hydrochloride hydrogen hydrolysis infra-red spectrum Ingold iodide ionisation isolated ketone kg.-cals ligroin methanol method mixture molecule monodeuterobenzene neopentyl neopentyl bromide nitrate normal co-ordinates obtained oxide picrate potassium potassium carbonate praseodymium precipitate prepared prisms pyridine Raman spectrum reaction reagent rearrangement refluxed requires residue salt separated sodium carbonate sodium hydroxide solid soluble solution solvent spectra steric steric effect stirred substitution sulphate sulphuric acid symmetry class Table temperature washed yellow needles yield