Journal of the Chemical SocietyThe Society., 1948 |
From inside the book
Results 1-3 of 86
Page 1064
... separated from methanol - water in thin colourless needles , m . p . 202 ° , which depressed the m . p . of the initial compound ( Found : C , 57-9 ; H , 4.9 ; N , 11-3 % ) ; its picrate separated from ethanol in needles , m . p . 194 ...
... separated from methanol - water in thin colourless needles , m . p . 202 ° , which depressed the m . p . of the initial compound ( Found : C , 57-9 ; H , 4.9 ; N , 11-3 % ) ; its picrate separated from ethanol in needles , m . p . 194 ...
Page 1504
... separated from a small volume of water in colourless prisms , m . p . 80 ° , and , after being dried at 100 ° / vac . , 139-140 ° ( Found : C , 46 · 1 ; H , 6 · 4 ; loss at 100 ° / vac . , 77. CH1N , S , HCI , H , O requires C , 46.1 ...
... separated from a small volume of water in colourless prisms , m . p . 80 ° , and , after being dried at 100 ° / vac . , 139-140 ° ( Found : C , 46 · 1 ; H , 6 · 4 ; loss at 100 ° / vac . , 77. CH1N , S , HCI , H , O requires C , 46.1 ...
Page 1505
... separated from water in colourless , rectangular plates ( 5 g . ) , m . p . 124 ° ( Found : C , 55 · 7 ; H , 4 · 6 ; N , 7 · 0 . C , H , ONS requires C , 55-4 ; H , 4-6 ; N , 7.2 % ) . The mother - liquors on concentration afforded a ...
... separated from water in colourless , rectangular plates ( 5 g . ) , m . p . 124 ° ( Found : C , 55 · 7 ; H , 4 · 6 ; N , 7 · 0 . C , H , ONS requires C , 55-4 ; H , 4-6 ; N , 7.2 % ) . The mother - liquors on concentration afforded a ...
Contents
acetic acid | 963 |
The isolated base 2 5 g m p 125 with frothing was readily soluble in most organic solvents | 6 |
addition of zinc dust 0 2 g during 15 minutes followed by heating on the steambath for hour | 114 |
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Common terms and phrases
4-trimethyl absorption acetic anhydride acetone acetyl added alcohol alkaline Amer amine ammonia atoms bands benzaldehyde benzene boiling bromine Calc carbon CH₂ Chem chloroform colourless needles compound concentrated hydrochloric acid condensation cooled crystallised crystals D.Sc decomp derivative diazotised dilute dissolved distilled dried electrons energy equiv ester ethanol ether ethyl acetate evaporated experimental extracted filtered filtrate formation formed Found fraction gave give glacial acetic acid heated hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodine isolated ketone light petroleum m. p. and mixed method methyl mixed m. p. mixture molecular molecule nitrogen obtained orbitals oxidation polysaccharide potassium hydroxide precipitated prepared prisms proflavine pyridine reaction refluxed removed requires residue resonance room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure substance sulphate sulphuric acid surface vacuum values washed yellow needles yield