Journal of the Chemical SocietyThe Society., 1955 |
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Page 3391
... semicarbazone ( crystalline in a potassium chloride pressed disc ) . 100 Absorption ( % ) 3500 3000 2500 1800 1500 1000 700 Frequency ( cm . " ' ) Most of the semicarbazones have absorptions in the 1100 - cm . - 1 region which are ...
... semicarbazone ( crystalline in a potassium chloride pressed disc ) . 100 Absorption ( % ) 3500 3000 2500 1800 1500 1000 700 Frequency ( cm . " ' ) Most of the semicarbazones have absorptions in the 1100 - cm . - 1 region which are ...
Page 3418
... [ semicarbazone , m . p . 214 ° ( from ethanol ) ( Found : N , 17-9 % ) ] . 17 ( b ) With acetyl chloride ( 7-8 g . ) , only 4 - methoxy - 2 - methylacetophenone ( 12.8 g . ) , b . p . 145- 146 ° / 18 mm . , n17 1.5498 ( semicarbazone , m ...
... [ semicarbazone , m . p . 214 ° ( from ethanol ) ( Found : N , 17-9 % ) ] . 17 ( b ) With acetyl chloride ( 7-8 g . ) , only 4 - methoxy - 2 - methylacetophenone ( 12.8 g . ) , b . p . 145- 146 ° / 18 mm . , n17 1.5498 ( semicarbazone , m ...
Page 3765
... ( semicarbazone , m . p . 207-208 ° ; 2 : 4 - dinitrophenylhydrazone , m . p . 192-193 ° ) . m - Tolualdehyde had b . p 83 ° / 16 mm . , n33 1.5401 ( semicarbazone , m . p . 216 ° ) . Acetophenone had b . p . 90 ° / 25 mm . , n24 1-5316 ...
... ( semicarbazone , m . p . 207-208 ° ; 2 : 4 - dinitrophenylhydrazone , m . p . 192-193 ° ) . m - Tolualdehyde had b . p 83 ° / 16 mm . , n33 1.5401 ( semicarbazone , m . p . 216 ° ) . Acetophenone had b . p . 90 ° / 25 mm . , n24 1-5316 ...
Contents
Alkenylation with Lithium Alkenyls Part IX Synthesis of Dimethylbutadiene PAGE | 3324 |
Alkenylation with Lithium Alkenyls Part XII Dihydronaphthyl and Indenyl | 3337 |
11dimethylcarbazoles | 3362 |
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Common terms and phrases
4-dinitrophenylhydrazone absorption acetic acid acetic anhydride acetone acetyl added alcohol aldehyde alumina Amer ammonia aqueous ethanol atoms band benzene boiling Braude bromide Calc carbonate Chem chloride chloroform chromatography colour compound concentrated cooled crystallised from ethanol crystals cyclohexanone decomp derivatives dilute dissolved distilled dried electrode eluted ester ethanol ether evaporated filtered filtrate formed Found fraction gave give m. p. heated hydrochloric acid hydrogen hydrolysis imidine infrared iodide isolated ketone light petroleum b. p. lithium lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture molecules nickel nitrobenzene nitrogen obtained oxide peroxide phenolic potassium hydroxide prepared prisms pyridine Raney nickel reaction recrystallized reduction refluxed Reprint Order requires residue room temperature salt semicarbazone silicon tetrachloride sodium hydroxide solid solution solvent spectra steric stirred substituents sulphate sulphuric acid Table values washed yellow yield