Journal of the Chemical SocietyThe Society., 1955 |
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Page 3509
... Evaporated in vacuo , the filtrate provided yellow crystals ( 14.3 g .; m . p . 83-85 ° ) which by crystallisation from dry alcohol gave the product ( 10.7 g . ) , m . p . 90-91 ° . Further crystallisation gave pure ( ± ) -N ...
... Evaporated in vacuo , the filtrate provided yellow crystals ( 14.3 g .; m . p . 83-85 ° ) which by crystallisation from dry alcohol gave the product ( 10.7 g . ) , m . p . 90-91 ° . Further crystallisation gave pure ( ± ) -N ...
Page 3671
... evaporated to a tar which was extracted with chloroform ( 50 ml . ) . Evaporation of the chloroform solution left a brown , partly solid mass , which was chromatographed on alumina ( 70 g . ) in chloroform solution . First fractions ...
... evaporated to a tar which was extracted with chloroform ( 50 ml . ) . Evaporation of the chloroform solution left a brown , partly solid mass , which was chromatographed on alumina ( 70 g . ) in chloroform solution . First fractions ...
Page 3672
... evaporated to a syrup , whose benzene solution was chromatographed on alumina . No products were eluted with benzene , but with chloroform more anhydro - alloside ( 0.015 g . ) was obtained , followed by a syrup ( 0.45 g . ) . No ...
... evaporated to a syrup , whose benzene solution was chromatographed on alumina . No products were eluted with benzene , but with chloroform more anhydro - alloside ( 0.015 g . ) was obtained , followed by a syrup ( 0.45 g . ) . No ...
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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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