Journal of the Chemical SocietyThe Society., 1949 |
From inside the book
Results 1-3 of 79
Page 905
... alkaline medium . None of the processes so far described , however , results in nucleotides in such yields as to warrant the assumption that they are the sole hydrolytic products . It was desirable , therefore , to attempt to devise ...
... alkaline medium . None of the processes so far described , however , results in nucleotides in such yields as to warrant the assumption that they are the sole hydrolytic products . It was desirable , therefore , to attempt to devise ...
Page 1065
... alkaline solution with methyl sulphate afforded the thiazolopyrimidine ( VII ; R presence of the 2 - methylthio - grouping was established by methylating ( III ; R 5 - amino - 2 - methylthio - 4 - carbethoxythiazole ( III ; R = SMe ) ...
... alkaline solution with methyl sulphate afforded the thiazolopyrimidine ( VII ; R presence of the 2 - methylthio - grouping was established by methylating ( III ; R 5 - amino - 2 - methylthio - 4 - carbethoxythiazole ( III ; R = SMe ) ...
Page 1167
... alkaline . The insoluble material was collected and crystallised from aqueous alcohol , giving colourless plates ( 1.8 g . ) , m . p . 224 ° , of 2 - amino - 5 - phenyl- 1 : 3 : 4 - thiadiazole . The alkaline solution was precipitated ...
... alkaline . The insoluble material was collected and crystallised from aqueous alcohol , giving colourless plates ( 1.8 g . ) , m . p . 224 ° , of 2 - amino - 5 - phenyl- 1 : 3 : 4 - thiadiazole . The alkaline solution was precipitated ...
Other editions - View all
Common terms and phrases
4-dinitrophenylhydrazone absorption acetic anhydride acetone acetyl acidified added aldehyde alkaline aluminium chloride Amer amine ammonia aniline aqueous sodium atom benzene boiling bromine Calc carbon catalyst CH₂ Chem chloroform citrinin colourless needles compound condensation containing cooled crystallised crystallised from alcohol crystals cyanide cyclisation decomp derivative dilute dissolved distilled dried electrode ester evaporated extracted with ether filtered filtrate formed colourless Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone lactone light petroleum b. p. m. p. and mixed methanol method methyl alcohol minutes mixed m. p. mixture molecule obtained oxide phenol phosphoric picrate potassium hydroxide precipitate prepared pyridine reaction reduced pressure requires residue resin room temperature salt separated sodium hydroxide solid soluble solution solvent specimen structure substance sulphuric acid triethylamine values washed yellow needles yield