Journal of the Chemical SocietyThe Society., 1958 |
From inside the book
Results 1-3 of 77
Page 2748
... removed under diminished pressure . 2.5N - Sodium hydroxide ( 70 ml . ) and alcohol ( 35 ml . ) were added to the residue , and the solution was kept at 40 ° during 20 min . Excess of alcohol was removed under diminished pressure and ...
... removed under diminished pressure . 2.5N - Sodium hydroxide ( 70 ml . ) and alcohol ( 35 ml . ) were added to the residue , and the solution was kept at 40 ° during 20 min . Excess of alcohol was removed under diminished pressure and ...
Page 2965
... removed and washed with chloroform , and the solvent was removed under reduced pressure . The residual viscous oil was dissolved in ether , washed , and dried ( Na2SO1 ) . After removal of solvents the residue was distilled in vacuo ( b ...
... removed and washed with chloroform , and the solvent was removed under reduced pressure . The residual viscous oil was dissolved in ether , washed , and dried ( Na2SO1 ) . After removal of solvents the residue was distilled in vacuo ( b ...
Page 3096
... removed a slightly dextrorotatory syrup ( 16-6 mg . ) and the residual solid was sublimed at 13 mm . ( m . p . 180-182 ° alone or mixed with succinic acid ) ( 8.6 mg . , 34 % of the yield for complete destruction of two 3 - carboxyl - 4 ...
... removed a slightly dextrorotatory syrup ( 16-6 mg . ) and the residual solid was sublimed at 13 mm . ( m . p . 180-182 ° alone or mixed with succinic acid ) ( 8.6 mg . , 34 % of the yield for complete destruction of two 3 - carboxyl - 4 ...
Contents
Chemical applications of nuclear quadrupole resonance spectroscopy Part | 2634 |
541 | 2637 |
the isomerisation of normal to isosapogenins | 2645 |
114 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid acetic anhydride acetone acetylene activation energy added alkaline alkyl allogibberic alumina Amer amine atom benzene boiling bond bromine Calc carbon cation CH₂ Chem chloride chloroform chromatographed colourless compound concentrated containing cooled crystallised from ethanol crystals curves cyclic sulphide cyclohexene decomp derivative dilute dimethylformamide diphenylene dissolved distilled disulphide dried eluted ester ethanol ether evaporated extracted filtered filtrate formation Found fraction gave give heated hydrochloric acid hydrogen pressure hydrogen sulphide hydrogenolysis hydrolysis infrared spectrum iodide iodine ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitric acid nitrogen obtained olefin oxide picrate polysulphide potassium hydroxide precipitated prepared prisms pyridine reaction reduction reflux requires residue room temperature saturated sodium hydroxide solid solvent spectra substituent sulphuric acid synthesis thiol ultraviolet vacuo washed yellow yield