Journal of the Chemical SocietyThe Society., 1955 |
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Page 394
... structure ( IV ) is : ( i ) This resonance structure would receive contributions from numerous canonical forms , in which any two of the three nitrogen atoms can accept the protons ; hence it would certainly be intensely coloured . ( ii ) ...
... structure ( IV ) is : ( i ) This resonance structure would receive contributions from numerous canonical forms , in which any two of the three nitrogen atoms can accept the protons ; hence it would certainly be intensely coloured . ( ii ) ...
Page 552
... structure which prevails elsewhere . ( ii ) The bâtonnets frequently show what appears to be a notched ornamentation at or near the edges : this is seen on some of the bâtonnets in Fig . 6. The structural significance of this feature is ...
... structure which prevails elsewhere . ( ii ) The bâtonnets frequently show what appears to be a notched ornamentation at or near the edges : this is seen on some of the bâtonnets in Fig . 6. The structural significance of this feature is ...
Page 787
... structure , and not of type ( III ) or of the type ( IV ) , proposed by Meerwein and Pannwitz ( loc . cit . ) , which accounts for the structure in terms of hydrogen - bonding . Thus boron trifluoroide - di - n - butanol is probably n ...
... structure , and not of type ( III ) or of the type ( IV ) , proposed by Meerwein and Pannwitz ( loc . cit . ) , which accounts for the structure in terms of hydrogen - bonding . Thus boron trifluoroide - di - n - butanol is probably n ...
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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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