Journal of the Chemical SocietyThe Society., 1949 |
From inside the book
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Page 1370
... extracted with ether . Removal of the ether after drying ( Na , SO1 ) gave 6 - chloroquinazoline , which crystallised from ether - ligroin ( b . p . 40—60 ° ) or from water as white needles , m . p . 143 ° ( 84 % ) ( Found : C , 58-35 ...
... extracted with ether . Removal of the ether after drying ( Na , SO1 ) gave 6 - chloroquinazoline , which crystallised from ether - ligroin ( b . p . 40—60 ° ) or from water as white needles , m . p . 143 ° ( 84 % ) ( Found : C , 58-35 ...
Page 1475
... extracted with ether , the ethereal solution dried ( Na , SO ) , and the product distilled under reduced pressure after removal of the ether ; b . p . 104-106 ° / 13 mm .; yield 27 g . ( 79 % ) . Reaction between Silver Fluoride and Ethyl ...
... extracted with ether , the ethereal solution dried ( Na , SO ) , and the product distilled under reduced pressure after removal of the ether ; b . p . 104-106 ° / 13 mm .; yield 27 g . ( 79 % ) . Reaction between Silver Fluoride and Ethyl ...
Page 1476
... alcohol ( 30 g . ) , and sulphuric acid ( 2 · 5 c.c. ) were thoroughly mixed and heated under reflux in an oil - bath at 120 ° for 5-6 hours . The mixture was cooled , diluted with water , and extracted with ether , and the extract ...
... alcohol ( 30 g . ) , and sulphuric acid ( 2 · 5 c.c. ) were thoroughly mixed and heated under reflux in an oil - bath at 120 ° for 5-6 hours . The mixture was cooled , diluted with water , and extracted with ether , and the extract ...
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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