Journal of the Chemical SocietyThe Society., 1955 |
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Page 444
... compound differ in their crystal form . This is confirmed by the X - ray data summarised in the Table . pseudo Tigogenin illustrates the case of solvent of crystallisation : the other five examples are of true polymorphism . The ...
... compound differ in their crystal form . This is confirmed by the X - ray data summarised in the Table . pseudo Tigogenin illustrates the case of solvent of crystallisation : the other five examples are of true polymorphism . The ...
Page 593
... compound ( A ) ( 1 g . ) in water ( 10 c.c. ) was boiled for 6 hr . and the aqueous solution extracted with chloroform it gave compound ( B ) ( 0-25 g . ) and from the aqueous solution by evaporation a product ( C ) which on ...
... compound ( A ) ( 1 g . ) in water ( 10 c.c. ) was boiled for 6 hr . and the aqueous solution extracted with chloroform it gave compound ( B ) ( 0-25 g . ) and from the aqueous solution by evaporation a product ( C ) which on ...
Page 823
... compound had occurred , giving a compound travelling exactly like thymidine on paper chromatograms ; the 5 ' - compound had undergone complete hydrolysis to a similar product . Hydrolysis of the 3 ' - compound was nearly complete after ...
... compound had occurred , giving a compound travelling exactly like thymidine on paper chromatograms ; the 5 ' - compound had undergone complete hydrolysis to a similar product . Hydrolysis of the 3 ' - compound was nearly complete after ...
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 |
84 other sections not shown
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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