Journal of the Chemical Society, Part 2The Society., 1950 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 1315
... potassium hydroxide furnished the yellow cis - acid which reverted spontaneously to the anhydride on warming . ( b ) ... potassium hydroxide ( 33.6 g . ) in methanol ( 300 ml . ) , followed by a solution of cinnamaldehyde ( 13.2 g . ) in ...
... potassium hydroxide furnished the yellow cis - acid which reverted spontaneously to the anhydride on warming . ( b ) ... potassium hydroxide ( 33.6 g . ) in methanol ( 300 ml . ) , followed by a solution of cinnamaldehyde ( 13.2 g . ) in ...
Page 1684
... potassium hydroxide in place of trimethylbenzylammonium hydroxide , was hydrolysed by boiling it under reflux with 48 % hydrobromic acid ( 20 c.c. ) for 8 hours . The reaction mixture was extracted as for a - methylglutaric acid ...
... potassium hydroxide in place of trimethylbenzylammonium hydroxide , was hydrolysed by boiling it under reflux with 48 % hydrobromic acid ( 20 c.c. ) for 8 hours . The reaction mixture was extracted as for a - methylglutaric acid ...
Page 1928
... potassium hydroxide to alkalinity gave a yellow solid ( 0.11 g . ) which after crystallization from alcohol melted at 231 ° and did not depress the m . p . of an authentic specimen of 4 ' - aminoflavone ( XI ) . ( 2 ) Simultaneous ...
... potassium hydroxide to alkalinity gave a yellow solid ( 0.11 g . ) which after crystallization from alcohol melted at 231 ° and did not depress the m . p . of an authentic specimen of 4 ' - aminoflavone ( XI ) . ( 2 ) Simultaneous ...
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Common terms and phrases
absorption acetic anhydride acetone acetyl added alcohol alkaline alunite Amer amine ammonia anhydrous anilide aqueous sodium atom benzene boiling bromine trifluoride Calc carbonate CH₂ Chem chloroform colour colourless needles compound condensation containing cooled crystallised crystals cyanide cyclisation decomp derivatives dilute dissolved distilled dried equiv ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered filtrate fluoride formation formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated kcals ketone light petroleum b. p. liquid melting method methyl minutes mixed m. p. molecule nitrate nitrile nitrogen obtained oxalate oxide oxime oxygen pickeringite picrate piperidine potassium potassium hydroxide precipitate prepared prisms pyridine reduced pressure reductive dissolution removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen sulphate sulphuric acid washed xylose yellow needles yield