Journal of the Chemical Society, Pages 1-1026The Society., 1950 |
From inside the book
Results 1-3 of 68
Page 66
... added . After 4 hours hydrated sodium acetate ( 1-4 g . ) was added with stirring . The main bulk of the O - benzoylthreonine separated rapidly . It was filtered off ; the mother - liquors were evaporated to obtain a second crop and ...
... added . After 4 hours hydrated sodium acetate ( 1-4 g . ) was added with stirring . The main bulk of the O - benzoylthreonine separated rapidly . It was filtered off ; the mother - liquors were evaporated to obtain a second crop and ...
Page 119
... added in portions . The cooled reaction mixture was stirred for 1 hour , 1 - chloro - 4 - bromobutane ( 50 g . ) was gradually added , and stirring was continued for another 4 hours . After being isolated as described previously , the ...
... added in portions . The cooled reaction mixture was stirred for 1 hour , 1 - chloro - 4 - bromobutane ( 50 g . ) was gradually added , and stirring was continued for another 4 hours . After being isolated as described previously , the ...
Page 654
... added , and after 1.25 hours dry hydrogen chloride ( 2 equivs . ) was passed in . Sufficient ethanol was added to re - dissolve a little triethylamine hydrochloride which separated , and the solution seeded with L - alanylglycylglycine ...
... added , and after 1.25 hours dry hydrogen chloride ( 2 equivs . ) was passed in . Sufficient ethanol was added to re - dissolve a little triethylamine hydrochloride which separated , and the solution seeded with L - alanylglycylglycine ...
Other editions - View all
Common terms and phrases
4-dione absorption acetic acid acetic anhydride acetone acetyl activity added alcohol alkaline Amer amine ammonia amylose anhydride atom benzene boiling bromide bromine trifluoride Calc carbon dioxide carbon tetrachloride catalyst CH₂ Chem chloride chloroform CO₂ colour colourless complex compound containing cooling copper corresponding crystallised crystals cyclisation decomp derivatives diazomethane dilute dioxan dissolved distilled disulphide dried electron ester ethanol ethyl acetate ethylamine evaporated filtered filtrate formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone light petroleum b. p. liquid m. p. and mixed metals method methyl minutes mixed m. p. mixture molecule needles nitrate obtained oxidation peroxide potassium precipitate prepared prisms pyridine Q-enzyme reaction reagent reduced requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphide sulphuric acid washed yellow yield