Journal of the Chemical SocietyThe Society., 1955 |
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Page 313
... cooled to 0 ° and mixed with a cooled solution of potassium hydroxide ( 3.3 g . ) in 90 % methanol ( 30 c.c. ) with stirring . After 15 min . at 0 ° , the precipit- ated potassium p - methoxyphenoxyacetic acid ( 2 · 3 g . ) was ...
... cooled to 0 ° and mixed with a cooled solution of potassium hydroxide ( 3.3 g . ) in 90 % methanol ( 30 c.c. ) with stirring . After 15 min . at 0 ° , the precipit- ated potassium p - methoxyphenoxyacetic acid ( 2 · 3 g . ) was ...
Page 350
... cooled to 0 ° in ice - salt was added 23 % sodium carbonate solution at such a rate that the tem- perature did not exceed 55 ° . Addition was continued until the mixture had pH 6. When the mixture had cooled to 10 ° , the organic layer ...
... cooled to 0 ° in ice - salt was added 23 % sodium carbonate solution at such a rate that the tem- perature did not exceed 55 ° . Addition was continued until the mixture had pH 6. When the mixture had cooled to 10 ° , the organic layer ...
Page 854
... cooled and the product ( 0.2 g .; m . p . 262-264 ° ) collected . On crystallisation from acetic acid di- ( 1 : 2 - dihydro - 1 - oxo - 2 - phenyl - 4 - phthalazinyl ) sulphone was obtained as feathery needles , m . p . 265 ° ( Found ...
... cooled and the product ( 0.2 g .; m . p . 262-264 ° ) collected . On crystallisation from acetic acid di- ( 1 : 2 - dihydro - 1 - oxo - 2 - phenyl - 4 - phthalazinyl ) sulphone was obtained as feathery needles , m . p . 265 ° ( Found ...
Contents
The Chemistry of Nitrosyl Complexes Part I Evidence for the Selfionisation | 56 |
The Senecio Alkaloids Part XII The Synthesis of erythro3Hydroxy2methoxy | 65 |
Experiments on the Synthesis of Tetrahydroworenine | 79 |
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Common terms and phrases
acetic acid acetic anhydride acetone alcohol alkaline Amer anhydride aqueous sodium atom band benzene boiling bromide Calc carbon carbonyl Chem chloroform colour colourless colupulone complex compound concentration cooled crystallised crystals curve cyclohexanone D.Sc decomp derivatives dibromide dilute dioxide dissolved distilled dried ester ethanol ether ethyl acetate EtOH evaporated EXPERIMENTAL extracted filtered formation formed Found fraction gave give H₂O heated hydrochloric acid hydrogen chloride hydrolysis infra-red iodide iodine kcal./mole ketone light petroleum b. p. m. p. and mixed method methyl mixed m. p. mixture mole molecules needles nitrate nitrogen obtained oxidation oxidised oxygen phenol potassium potassium hydroxide precipitate prepared prisms pyridine reaction reagent refluxed Reprint Order requires residue room temperature salt scandium sodium hydroxide solid soluble solution solvent solvolysis spectra spectrum structure sulphate sulphuric acid Table tube values yield