Quarterly Journal of the Chemical Society of London |
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Page 832
Chemical Society (Great Britain). Preparation of Alkynes . - The alkynes , prepared as below , were purified by fractional distil- lation or recrystallisation immediately before use . 17 D But - 2 - yne was prepared from ethyl methyl ...
Chemical Society (Great Britain). Preparation of Alkynes . - The alkynes , prepared as below , were purified by fractional distil- lation or recrystallisation immediately before use . 17 D But - 2 - yne was prepared from ethyl methyl ...
Page 896
... prepared a number of planar organo- and hydrido- complexes of platinum and nickel having the metal - carbon and metal - hydrogen bonds stabilised by tertiary phosphines.1 As a preliminary to the preparation of analogous octahedral ...
... prepared a number of planar organo- and hydrido- complexes of platinum and nickel having the metal - carbon and metal - hydrogen bonds stabilised by tertiary phosphines.1 As a preliminary to the preparation of analogous octahedral ...
Page 1177
... prepared directly in isopropylbenzene from n - butyl iodide and magnesium . The use of a catalytic quantity of ether in such a preparation gave a solution having a base / halide ratio of 3.3 . Less frequently , and rather irreproducibly ...
... prepared directly in isopropylbenzene from n - butyl iodide and magnesium . The use of a catalytic quantity of ether in such a preparation gave a solution having a base / halide ratio of 3.3 . Less frequently , and rather irreproducibly ...
Contents
No PAGE | 7 |
The reaction of molybdenum v chloride with some aliphatic amines | 24 |
NO PAGE | 29 |
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absorption acetic acid acetone added alcohol alkaline alkyl Amer amine anhydride aromatic ation atom band benzene bond bromide Calc carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ column complex compounds concentration constant crystallised cyclic decomp derivatives dilute dioxan disaccharide distilled dried elution equiv ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered formation formed Found fraction frequencies gave give H₂O heated hydrochloric acid hydrolysis hydroxyl infrared infrared spectra iodide isolated isomers ketone lactone light petroleum b. p. limonin lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecules needles nitrogen obtained oxidation perchlorate phenol phosphate pipecolic acid potassium precipitate prepared prisms protons pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid solution solvent spectrum structure substituted sulphuric acid Table ultraviolet values washed yield