Journal of the Chemical Society, Part 4The Society., 1949 |
From inside the book
Results 1-3 of 66
Page 3179
... ether with an ethereal solution of diazomethane gave the crude diazo - ketone ( 3.8 g . , m . p . 62—65 ° ) , which was dissolved in warm dioxan ( 25 c.c. ) to ... extracted with ether [ 1949 ] 3179 Intramolecular Acylation . Part I.
... ether with an ethereal solution of diazomethane gave the crude diazo - ketone ( 3.8 g . , m . p . 62—65 ° ) , which was dissolved in warm dioxan ( 25 c.c. ) to ... extracted with ether [ 1949 ] 3179 Intramolecular Acylation . Part I.
Page 3181
... extracted with ether and the ethereal extract was washed with aqueous sodium carbonate . Evapor- ation of the ether left a dark tarry residue ( 2.5 g . ) , which was devoid of ketonic properties . The alkaline solution was boiled with ...
... extracted with ether and the ethereal extract was washed with aqueous sodium carbonate . Evapor- ation of the ether left a dark tarry residue ( 2.5 g . ) , which was devoid of ketonic properties . The alkaline solution was boiled with ...
Page 3277
... ether , and the aqueous solution was acidified and again extracted with ether . The product was dissolved in sodium hydrogen carbonate , recovered with hydro- chloric acid , and collected . - ( b ) Ethyl 56 : 7 - trimethoxy - 1 ...
... ether , and the aqueous solution was acidified and again extracted with ether . The product was dissolved in sodium hydrogen carbonate , recovered with hydro- chloric acid , and collected . - ( b ) Ethyl 56 : 7 - trimethoxy - 1 ...
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