Quarterly Journal of the Chemical Society of London |
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Page 176
... ester ( fequil . 30 min . ) and the didodecyl ester ( containing < 1 % of monoester ) ( tequil . 250-500 min . ) . The more detailed work described below was therefore carried out only with dialkyl esters containing < 0 · 5 % of ...
... ester ( fequil . 30 min . ) and the didodecyl ester ( containing < 1 % of monoester ) ( tequil . 250-500 min . ) . The more detailed work described below was therefore carried out only with dialkyl esters containing < 0 · 5 % of ...
Page 527
... Ester > C = 0 absorption ( cm . - 1 ) ( CHCl , solution ) Compound II ; Me ester , R = Ph , R ' = CH · CO⚫NH • [ CH2 ] , Me IV ; Me ester , R = Ph , R ' = CH2 · CO • NH • [ CH2 ] * Me II ; Me ester , R = Ph • CONH CH ,, PHẢNH CH NHR ...
... Ester > C = 0 absorption ( cm . - 1 ) ( CHCl , solution ) Compound II ; Me ester , R = Ph , R ' = CH · CO⚫NH • [ CH2 ] , Me IV ; Me ester , R = Ph , R ' = CH2 · CO • NH • [ CH2 ] * Me II ; Me ester , R = Ph • CONH CH ,, PHẢNH CH NHR ...
Page 1045
... ester , exists in two forms , presumably with different configurations of the 9 - ester group . Compound ( XXII ) is obtained by hydrogen- ating the dimethylamine adduct ( V ) of Thiele's ester and then removing the amine ; it is a ...
... ester , exists in two forms , presumably with different configurations of the 9 - ester group . Compound ( XXII ) is obtained by hydrogen- ating the dimethylamine adduct ( V ) of Thiele's ester and then removing the amine ; it is a ...
Contents
No PAGE | 7 |
The reaction of molybdenum v chloride with some aliphatic amines | 24 |
NO PAGE | 29 |
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absorption acetic acid acetone added alcohol alkaline alkyl Amer amine anhydride aromatic ation atom band benzene bond bromide Calc carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ column complex compounds concentration constant crystallised cyclic decomp derivatives dilute dioxan disaccharide distilled dried elution equiv ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered formation formed Found fraction frequencies gave give H₂O heated hydrochloric acid hydrolysis hydroxyl infrared infrared spectra iodide isolated isomers ketone lactone light petroleum b. p. limonin lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecules needles nitrogen obtained oxidation perchlorate phenol phosphate pipecolic acid potassium precipitate prepared prisms protons pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid solution solvent spectrum structure substituted sulphuric acid Table ultraviolet values washed yield