Quarterly Journal of the Chemical Society of London, Volume 16, Pages 2739-3518 |
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Page 2935
... solid , m.p. 190-192 ° ( ethanol - extracted crude product ) ( Found : C , 37.6 ; H , 4.3 ; N , 20-35 ; S , 17-9 . CHCIN2OS , C2H2OH requires C , 37-8 ; H , 4.6 ; N , 20-0 ; S , 18-3 % ) , v , 3240s and 3000ms ( NH ) ; 1675s ( amide ...
... solid , m.p. 190-192 ° ( ethanol - extracted crude product ) ( Found : C , 37.6 ; H , 4.3 ; N , 20-35 ; S , 17-9 . CHCIN2OS , C2H2OH requires C , 37-8 ; H , 4.6 ; N , 20-0 ; S , 18-3 % ) , v , 3240s and 3000ms ( NH ) ; 1675s ( amide ...
Page 3123
... Solid sodium carbonate was added and after filtration the solvent was evaporated off . The orange oil obtained was chromatographed on a silica gel column with 5 % methanol - methylene chloride as eluant to give 2 - acetamido - 3 ...
... Solid sodium carbonate was added and after filtration the solvent was evaporated off . The orange oil obtained was chromatographed on a silica gel column with 5 % methanol - methylene chloride as eluant to give 2 - acetamido - 3 ...
Page 3370
... solid m.p. 122-123 ° found to be undepressed with an authentic sample of B- ( 4 - hydroxy - 1 - naphthyl ) propionic acid ( 10 ) . The oil ( A ) was rechromatographed and elution with benzene - petrol gave a solid ( 150 mg ) which on ...
... solid m.p. 122-123 ° found to be undepressed with an authentic sample of B- ( 4 - hydroxy - 1 - naphthyl ) propionic acid ( 10 ) . The oil ( A ) was rechromatographed and elution with benzene - petrol gave a solid ( 150 mg ) which on ...
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