Quarterly Journal of the Chemical Society of London, Volume 16, Pages 2739-3518 |
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Page 3044
... extracted portionwise with chloroform ( total 900 ml . ) . The wet filter cake was then added to the chloroform solution along with a further 200 ml . of chloroform ; the resulting solution was dried ( Na , SO1 ) . Removal of the ...
... extracted portionwise with chloroform ( total 900 ml . ) . The wet filter cake was then added to the chloroform solution along with a further 200 ml . of chloroform ; the resulting solution was dried ( Na , SO1 ) . Removal of the ...
Page 3470
... extracted with chloroform ( 3 × 25 ml ) . The extracts were dried and evaporated to give an oil ( 1 · 05 g ) , ' max . 1540 cm 1. Treatment of this oil with 48 % hydro- bromic acid gave salt ( I ) , showing that the ylide ( XII ) was ...
... extracted with chloroform ( 3 × 25 ml ) . The extracts were dried and evaporated to give an oil ( 1 · 05 g ) , ' max . 1540 cm 1. Treatment of this oil with 48 % hydro- bromic acid gave salt ( I ) , showing that the ylide ( XII ) was ...
Page 3474
... extraction ) was acidi- fied and extracted with ether ( 2 × 25 ml ) . The dried extracts gave a white solid ( 0.3 g ) . T.1.c. [ benzene- methanol - acetic acid ( 45 : 8 : 4 ) ] showed the presence of benzoic acid ( 78 mg , 16 % ) and ...
... extraction ) was acidi- fied and extracted with ether ( 2 × 25 ml ) . The dried extracts gave a white solid ( 0.3 g ) . T.1.c. [ benzene- methanol - acetic acid ( 45 : 8 : 4 ) ] showed the presence of benzoic acid ( 78 mg , 16 % ) and ...
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