Journal of the Chemical Society, Part 4The Society., 1949 |
From inside the book
Results 1-3 of 77
Page 2516
... minutes . After examination on sheet - paper chromatograms in the usual manner , the eluate was divided in such a ... minutes ; in meat extracts of unknown composition this falls to about 20 minutes . The requirements for this ...
... minutes . After examination on sheet - paper chromatograms in the usual manner , the eluate was divided in such a ... minutes ; in meat extracts of unknown composition this falls to about 20 minutes . The requirements for this ...
Page 2978
... minutes before p - nitrobenzyl alcohol ( 0 · 25 g . ) was introduced . The heating was continued at 65 ° for 40 minutes before isolation of the ester by extraction with chloroform from aqueous sodium hydrogen carbonate . The product ...
... minutes before p - nitrobenzyl alcohol ( 0 · 25 g . ) was introduced . The heating was continued at 65 ° for 40 minutes before isolation of the ester by extraction with chloroform from aqueous sodium hydrogen carbonate . The product ...
Page 2979
... minutes before ẞ - naphthol ( 0-49 g . ) was added . After 45 minutes at room temperature and 5 minutes at 50 ° , the reaction mixture was neutralised and extracted in the customary fashion . Crystallised twice from alcohol , the ...
... minutes before ẞ - naphthol ( 0-49 g . ) was added . After 45 minutes at room temperature and 5 minutes at 50 ° , the reaction mixture was neutralised and extracted in the customary fashion . Crystallised twice from alcohol , the ...
Other editions - View all
Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals D.Sc decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphone sulphuric acid synthesis Table tube values washed yield