Quarterly Journal of the Chemical Society of London, Volume 16, Pages 2739-3518 |
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Page 2906
... hydrochloric acid , removal of methanol , and extraction with ethyl acetate , gave a solid product which formed needles ( 78 mg . ) ( from methanol ) identical with an authentic sample of compound ( 12 ) ( m.p. and mixed m.p. , n.m.r. ...
... hydrochloric acid , removal of methanol , and extraction with ethyl acetate , gave a solid product which formed needles ( 78 mg . ) ( from methanol ) identical with an authentic sample of compound ( 12 ) ( m.p. and mixed m.p. , n.m.r. ...
Page 2958
... hydrochloric acid ( 5 c.c. ) . To the cooled solution tin ( 11 ) chloride ( 5 g . ) in 5N - hydrochloric acid ( 50 c.c. ) was added , and the solution was heated under nitrogen for 45 min .; the acetone was then removed under reduced ...
... hydrochloric acid ( 5 c.c. ) . To the cooled solution tin ( 11 ) chloride ( 5 g . ) in 5N - hydrochloric acid ( 50 c.c. ) was added , and the solution was heated under nitrogen for 45 min .; the acetone was then removed under reduced ...
Page 3067
... hydrochloric acid ( 100 ml ) and then with water until it was free of acid . Evaporation of the solvent left the crude amide ( max . 1650 cm ̄1 ) a solution of which ( 45 g ) in sodium - dried tetrahydrofuran ( 150 ml ) was added slowly ...
... hydrochloric acid ( 100 ml ) and then with water until it was free of acid . Evaporation of the solvent left the crude amide ( max . 1650 cm ̄1 ) a solution of which ( 45 g ) in sodium - dried tetrahydrofuran ( 150 ml ) was added slowly ...
Contents
Organic chemistry | 2739 |
Cyclic quaternary ammonium salts Part VIII Imidazo12apyrazinium salts | 2748 |
Reactions of pyridine Noxides with 36dichloropyridazine | 2756 |
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2-pyridyl acetic acid acetic anhydride acetone acetonitrile added adduct Amer amine anhydride aqueous aromatic azide benzene benzyl bromide Calc carbon CH₂ Chem Chemical chloride chloroform chromatographed cm¯¹ cm¹ CO₂H compound crystallised cyclisation decomp derivative dimethyl dimethylformamide distilled doublet dried elution ester ethanol ether ethyl acetate EtOH evaporated extracted filtered filtrate Found fraction gave give heated under reflux hydrazone hydride hydrochloric hydrogen hydrolysis hydroxide i.r. spectrum isolated ketone light petroleum lithium aluminium hydride mass spectra methyl methylene mixed m.p. mixture mmHg mmol mmoles N-oxide n.m.r. spectra needles nitrogen obtained oxidation petroleum b.p. Ph Ph phenol phosphite potassium prepared protons pyridine reaction reagent rearrangement requires residue ring room temperature signals silica gel sodium sodium hydroxide solid solution solvent stirred structure synthesis Tetrahedron triethyl phosphite washed yield