Journal of the Chemical SocietyThe Society., 1955 |
From inside the book
Results 1-3 of 58
Page 3329
... 4 · 4 ; N , 8.7 % ) . The aldehyde did not form a semicarbazone under the usual conditions , or a 2 : 4- dinitrophenylhydrazone in boiling pyridine . On treatment with 2 : 4 - dinitrophenylhydrazine in methanolic sulphuric acid , the ...
... 4 · 4 ; N , 8.7 % ) . The aldehyde did not form a semicarbazone under the usual conditions , or a 2 : 4- dinitrophenylhydrazone in boiling pyridine . On treatment with 2 : 4 - dinitrophenylhydrazine in methanolic sulphuric acid , the ...
Page 3336
... 4 - dinitrophenylhydrazone , m . p . and mixed m . p . 183 ° ( from ethyl acetate ) ( Found : N , 21.1 . Calc . for C11H12O4N4 : N , 21.2 % ) , ( ii ) the dimer ( 2 g . , 12 % ) , b . p . 1130/20 mm . , which was dehydrated by ...
... 4 - dinitrophenylhydrazone , m . p . and mixed m . p . 183 ° ( from ethyl acetate ) ( Found : N , 21.1 . Calc . for C11H12O4N4 : N , 21.2 % ) , ( ii ) the dimer ( 2 g . , 12 % ) , b . p . 1130/20 mm . , which was dehydrated by ...
Page 3765
... 4 - dinitrophenylhydrazone , m . p . 192-193 ° ) . m - Tolualdehyde had b . p 83 ° / 16 mm . , n33 1.5401 ... 4 - Dimethylacetophenone , prepared from m - xylene and acetyl chloride ( Freund and Fleischer , Annalen , 1918 , 414 , 5 ) ...
... 4 - dinitrophenylhydrazone , m . p . 192-193 ° ) . m - Tolualdehyde had b . p 83 ° / 16 mm . , n33 1.5401 ... 4 - Dimethylacetophenone , prepared from m - xylene and acetyl chloride ( Freund and Fleischer , Annalen , 1918 , 414 , 5 ) ...
Contents
Alkenylation with Lithium Alkenyls Part IX Synthesis of Dimethylbutadiene PAGE | 3324 |
Alkenylation with Lithium Alkenyls Part XII Dihydronaphthyl and Indenyl | 3337 |
11dimethylcarbazoles | 3362 |
24 other sections not shown
Other editions - View all
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