Journal of the Chemical SocietyThe Society., 1952 |
From inside the book
Results 1-3 of 75
Page 15
... hydrochloric acid ( 100 c.c .; d 1-17 ) , and the precipitated solid collected . 2 - Carbomethoxy- 3 : 4 - dimethoxycinnamic acid ( 10.0 g . , 84 % ) crystallised from aqueous ethanol as rectangular plates , m . p . 161-162 ° ( Found ...
... hydrochloric acid ( 100 c.c .; d 1-17 ) , and the precipitated solid collected . 2 - Carbomethoxy- 3 : 4 - dimethoxycinnamic acid ( 10.0 g . , 84 % ) crystallised from aqueous ethanol as rectangular plates , m . p . 161-162 ° ( Found ...
Page 202
... hydrochloric acid used , its rate of addition , and the time of reaction . From ( II ) with 5 parts of zinc and 20 parts of hydrochloric acid a 20-25 % yield of ( III ) was obtained in a reaction time of 20 hours . With twice this ...
... hydrochloric acid used , its rate of addition , and the time of reaction . From ( II ) with 5 parts of zinc and 20 parts of hydrochloric acid a 20-25 % yield of ( III ) was obtained in a reaction time of 20 hours . With twice this ...
Page 224
... acid . The residue was shaken with ether and 2N - hydrochloric acid . The ethereal layer was evaporated and the residue ( 0.08 g . ) crystallised from benzene , affording benzamide ( 0 · 03 g . ) , m . p . and mixed m . p . 126—127 ...
... acid . The residue was shaken with ether and 2N - hydrochloric acid . The ethereal layer was evaporated and the residue ( 0.08 g . ) crystallised from benzene , affording benzamide ( 0 · 03 g . ) , m . p . and mixed m . p . 126—127 ...
Contents
The Compound of Boron Trichloride with Dioxan | 11 |
An Ultrafiltration Method for the Optical Clarification of Protein Solutions in Light | 33 |
By R ALLERTON and W G OVEREND | 35 |
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absorption acetic acid acetic anhydride acetone acetyl acid chloride added adenylic acids alcohol alginate alkali aluminium Amer amine ammonia atoms benzene boiling bond bromide Calc carbon catalyst CH₂ Chem Chim chloroform compound concentration cooled crystallised crystals curve D.Sc decomp decomposition derivatives determined dilute dissolved distilled dried ester ethanol ethyl acetate evaporated experimental extracted with ether filtered filtrate formation formed Found fraction gave give heated under reflux hydrocarbon hydrochloric acid hydrogen bromide hydrogen chloride hydrolysis hyponitrite iodide isolated isomeric ketone method methyl mixed m. p. mixture molecular molecule nitrate nitric acid nitrogen nucleic acid nucleotides obtained oxidation p-xylene phenol phosphate picrate potassium precipitated prepared prisms pyridine reaction reagent requires residue room temperature salt separated sodium hydroxide solid soluble solvent structure sulphate sulphuric acid Table thionyl chloride washed yellow yield