Journal of the Chemical SocietyThe Society., 1948 |
From inside the book
Results 1-3 of 84
Page 1613
... acetone and sodium hydroxide , was isolated . This has been detected by other workers during the nitration of ... acetone left a sparingly soluble product ( D ) , m . p . 260 ° ( decomp . ) . The acetone extract ( E ) was reserved ...
... acetone and sodium hydroxide , was isolated . This has been detected by other workers during the nitration of ... acetone left a sparingly soluble product ( D ) , m . p . 260 ° ( decomp . ) . The acetone extract ( E ) was reserved ...
Page 1787
... acetone ( 100 c.c. ) , and after crystallisation had been initiated the mixture was kept at room temperature for 1 hour with intermittent shaking . Recrystallisation of the resulting solid from acetone - ethyl acetate ( 1 : 1 ) gave ...
... acetone ( 100 c.c. ) , and after crystallisation had been initiated the mixture was kept at room temperature for 1 hour with intermittent shaking . Recrystallisation of the resulting solid from acetone - ethyl acetate ( 1 : 1 ) gave ...
Page 1792
... acetone gave " B " -7 - bromocholesteryl benzoate ( 1.6 g . ) , m . p . 140 ° ( undepressed on admixture with a sample prepared by the N - bromosuccinimide reaction ) , [ a ] 175 ° ( c , 1 · 05 ) . 19 ° - " B " -7 - Chlorocholesteryl ...
... acetone gave " B " -7 - bromocholesteryl benzoate ( 1.6 g . ) , m . p . 140 ° ( undepressed on admixture with a sample prepared by the N - bromosuccinimide reaction ) , [ a ] 175 ° ( c , 1 · 05 ) . 19 ° - " B " -7 - Chlorocholesteryl ...
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