Journal of the Chemical Society, Part 1The Society., 1947 |
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Page 34
... solvent . Silica gel ( 40 g . ) was mixed with water ( 26 c.c. ) , suspended in wet , peroxide - free ether ( 200 c.c. ) , and the slurry poured into the tube , further small quantities of ether being required to complete the transfer ...
... solvent . Silica gel ( 40 g . ) was mixed with water ( 26 c.c. ) , suspended in wet , peroxide - free ether ( 200 c.c. ) , and the slurry poured into the tube , further small quantities of ether being required to complete the transfer ...
Page 107
... Solvent . Acetone Alcohol log 10 kaki . E ( k.-cals./mole ) . 4-7 4.74 6.46 6.94 Solvent . n - Butyl alcohol ... Dioxan 1 . log 10 k2 / k1 . E ( k.-cals./mole ) . 4.7 7.15 4.72 7-28 This The fluorescence in these solvents tends to the ...
... Solvent . Acetone Alcohol log 10 kaki . E ( k.-cals./mole ) . 4-7 4.74 6.46 6.94 Solvent . n - Butyl alcohol ... Dioxan 1 . log 10 k2 / k1 . E ( k.-cals./mole ) . 4.7 7.15 4.72 7-28 This The fluorescence in these solvents tends to the ...
Page 108
... solvent . The fluorescence in hexane- solution increases at low temperatures , and this must be due to other effects than " solvent Relative fluorescence intensity . 25 22 19 0 0.1 0.2 FIG . 3 . -20 ° + 20 ° 0.3 0.4 0.5 0.6 0.7 0.8 0.9 ...
... solvent . The fluorescence in hexane- solution increases at low temperatures , and this must be due to other effects than " solvent Relative fluorescence intensity . 25 22 19 0 0.1 0.2 FIG . 3 . -20 ° + 20 ° 0.3 0.4 0.5 0.6 0.7 0.8 0.9 ...
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Common terms and phrases
acetic anhydride acetone acetyl added alkaline Amer amidine amine ammonia ammonium aqueous sodium atoms benzene boiling bromide Calc CH₂ charcoal Chem chloroform colourless needles compound concentrated hydrochloric acid condensation cooled crystallised crystallised from alcohol crystals cyanide decomp derivative diazotised dilute dissolved distilled dried ester ethyl acetate experimental extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated light petroleum m. p. and mixed methanol Methiodide method methyl alcohol minutes mixed m. p. molecular molecule nitration nitric acid obtained oxidation pale yellow petroleum b. p. phenyl picrate polymer polymerisation potassium precipitate prepared prisms pyridine reduced pressure refluxed removed requires residue room temperature salt separated sodium carbonate sodium hydroxide solid soluble solvent stirred structure substance sulphate sulphide sulphone sulphuric acid washed yellow needles yield