Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2403
... concentrated hydrochloric acid ( 5 c.c. ) was diazotised with sodium nitrite ( 0.05 g . ) in water ( 1 c.c. ) , concentrated hydrochloric acid ( 20 c.c. ) added , and the solution heated at 95 ° until it no longer coupled with alkaline ...
... concentrated hydrochloric acid ( 5 c.c. ) was diazotised with sodium nitrite ( 0.05 g . ) in water ( 1 c.c. ) , concentrated hydrochloric acid ( 20 c.c. ) added , and the solution heated at 95 ° until it no longer coupled with alkaline ...
Page 2411
... concentrated sulphuric acid ( 28 c.c. ) was added during hour to a stirred mixture of nitric acid ( 11 c.c .; d 1 · 42 ) and concentrated sulphuric acid ( 14 c.c. ) at -5 ° to 0 ° . The solution was kept for 4 hours at room temperature ...
... concentrated sulphuric acid ( 28 c.c. ) was added during hour to a stirred mixture of nitric acid ( 11 c.c .; d 1 · 42 ) and concentrated sulphuric acid ( 14 c.c. ) at -5 ° to 0 ° . The solution was kept for 4 hours at room temperature ...
Page 2622
... Concentrated Sulphuric Acid on Diphenic Acid . - Caronna ( Gazzetta , 1941 , 71 , 475 ; Chem . Abs . , 1943 , 37 , 118 ) reports that diphenic acid is converted mainly into phenanthr- idone when treated with hydrazoic acid and concentrated ...
... Concentrated Sulphuric Acid on Diphenic Acid . - Caronna ( Gazzetta , 1941 , 71 , 475 ; Chem . Abs . , 1943 , 37 , 118 ) reports that diphenic acid is converted mainly into phenanthr- idone when treated with hydrazoic acid and concentrated ...
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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