Journal of the Chemical Society, Part 1The Society., 1947 |
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Page 25
... ester was dissolved in ether and the solution shaken with sodium carbonate solution to remove any a - ester . After distillation of the ether the B - ester was recrystallised from ligroin ( m . p . 67 ° ) . - Benzylamine was a pure ...
... ester was dissolved in ether and the solution shaken with sodium carbonate solution to remove any a - ester . After distillation of the ether the B - ester was recrystallised from ligroin ( m . p . 67 ° ) . - Benzylamine was a pure ...
Page 58
... ester of the same alkamine ( X = NBu , CO ; R = Et ) . The relatively high activity of E4 ( R = Pr3 ) is abruptly diminished by the introduction of a second isopropyl group ( E17 ) ; the n - propyl group ( E5 ) is less effective than ...
... ester of the same alkamine ( X = NBu , CO ; R = Et ) . The relatively high activity of E4 ( R = Pr3 ) is abruptly diminished by the introduction of a second isopropyl group ( E17 ) ; the n - propyl group ( E5 ) is less effective than ...
Page 661
... ester ( as VII ) , isolated as its picrate , could be identified . When ethereal solutions of 3 : 4 - carbonyldioxybenzaldehyde and glycine ester were mixed in the absence of sodium , a turbidity rapidly developed and a yellow oil was ...
... ester ( as VII ) , isolated as its picrate , could be identified . When ethereal solutions of 3 : 4 - carbonyldioxybenzaldehyde and glycine ester were mixed in the absence of sodium , a turbidity rapidly developed and a yellow oil was ...
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Common terms and phrases
acetic anhydride acetone acetyl added alkaline Amer amidine amine ammonia ammonium aqueous sodium atoms benzene boiling bromide Calc CH₂ charcoal Chem chloroform colourless needles compound concentrated hydrochloric acid cooled crystallised crystallised from alcohol crystals cyanide D.Sc decomp derivative diazotised dilute dissolved distilled dried ester experimental extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated light petroleum m. p. and mixed methanol Methiodide method methyl alcohol minutes mixed m. p. molecular molecule nitration nitric acid obtained oxidation pale yellow petroleum b. p. phenyl picrate polymer polymerisation potassium precipitate prepared prisms pyridine reduced pressure refluxed removed requires residue room temperature salt separated sodium carbonate sodium hydroxide sodium nitrite solid soluble solvent stirred structure substance sulphate sulphide sulphone sulphuric acid washed yellow needles yield