Journal of the Chemical Society, Part 2The Society., 1959 |
From inside the book
Results 1-3 of 71
Page 1430
... alumina ( 18 g . ) with light petroleum , 2 - acetyl - 3 - methylquinoxaline ( 460 mg . ) and an oil A ( 250 mg . ) being obtained . Further elution with 1 : 1 benzene - light petroleum gave an oil B ( 100 mg . ) . Chromatography on alumina ...
... alumina ( 18 g . ) with light petroleum , 2 - acetyl - 3 - methylquinoxaline ( 460 mg . ) and an oil A ( 250 mg . ) being obtained . Further elution with 1 : 1 benzene - light petroleum gave an oil B ( 100 mg . ) . Chromatography on alumina ...
Page 1721
... alumina . Ester group , R p - C2H , Me.SO2 ... ... Type of alumina * a , b c , d , e Contact time ( hr . ) 42 . Compound 3α- Alcohol 38- Alcohol Unchanged 18 70 25 5 18 18 p - C , H , Br.SO2 Me.SO2 p - C.H Me.SO2 " 18 f 18 42 g 66 p - C ...
... alumina . Ester group , R p - C2H , Me.SO2 ... ... Type of alumina * a , b c , d , e Contact time ( hr . ) 42 . Compound 3α- Alcohol 38- Alcohol Unchanged 18 70 25 5 18 18 p - C , H , Br.SO2 Me.SO2 p - C.H Me.SO2 " 18 f 18 42 g 66 p - C ...
Page 2039
... alumina ( 250 g .; 10 % deactivated ) . Elution with benzene ( 2 1. ) gave a yellowish solid ( 2 · 3 g ... alumina ( 150 g . ) and eluted as follows : benzene ( 600 c.c. ) , oil ( 200 mg . ) ( fraction 1 ) ; benzene - ether ( 9 : 1 ) ...
... alumina ( 250 g .; 10 % deactivated ) . Elution with benzene ( 2 1. ) gave a yellowish solid ( 2 · 3 g ... alumina ( 150 g . ) and eluted as follows : benzene ( 600 c.c. ) , oil ( 200 mg . ) ( fraction 1 ) ; benzene - ether ( 9 : 1 ) ...
Contents
Potentially tautomeric pyridines Part II 2 3 and 4Acetamido and benz | 1317 |
ABEL E W and Wilkinson G 1501 | 1324 |
The second rapid step in the nucleophilic substitution of alkyl halides Part I | 1327 |
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Common terms and phrases
absorption acetic acid acetone added alcohol alkyl alumina Amer anhydrous aqueous sodium atoms benzene benzene-light petroleum benzyl boron trichloride bromide bubble Calc carbonate catalyst CH₂ Chem chloride chloroform chromatography complex compound concentration constant copper crystallised from ethanol crystals curve cyclic phosphate cyclohexanone decomp derivatives dilute dioxan dissolved distilled dried elution equilibrium ester ethanol evaporated filtered formation formed Found fraction gave H₂O halide harmotome heated hydrochloric acid hydrogen hydrogen chloride hydrolysis hydroxide infrared iodide iodine ionic isolated ketone lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture molecular molecule needles o-phenylene obtained oxide phosphate picrate Poly polymer polymerisation potassium precipitate prepared prisms protactinium pyridine Q-enzyme reaction refluxed requires residue room temperature salt sodium carbonate sodium hydroxide solvent spectra spectrum structure Table titration values washed yellow yield