Quarterly Journal of the Chemical Society of London, Part 3 |
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Page 2628
... ammonia , and are formulated as ( I ) and ( II ) respectively , in conformity with the recent structures for ... ammonia adducts . Helenin ( 1.07 g . ) in 95 % ethanol ( 10 ml . ) was saturated with ammonia . Fractional crystallisation ...
... ammonia , and are formulated as ( I ) and ( II ) respectively , in conformity with the recent structures for ... ammonia adducts . Helenin ( 1.07 g . ) in 95 % ethanol ( 10 ml . ) was saturated with ammonia . Fractional crystallisation ...
Page 2937
... ammonia with dimethyl- stannane . 10 아 80 FIG . 2. Evolution of hydrogen in the titration of sodium in liquid ammonia with dimethylstannane . 10 0.9 Resistance ( ohms ) 888 60 40 20 ΣΗ , H2 / < SnMe2H2 8 0.7 0.6 0.5 O 0.4 0 0.2 0.6 1.0 ...
... ammonia with dimethyl- stannane . 10 아 80 FIG . 2. Evolution of hydrogen in the titration of sodium in liquid ammonia with dimethylstannane . 10 0.9 Resistance ( ohms ) 888 60 40 20 ΣΗ , H2 / < SnMe2H2 8 0.7 0.6 0.5 O 0.4 0 0.2 0.6 1.0 ...
Page 2939
... ammonia . The ammonia used was dried over sodium and the sodium was freshly cut reagent grade stored without oil . Preparation and Properties of Dimethylstannylenedisodium . - Pure dimethylstannylene- disodium is made by adding small ...
... ammonia . The ammonia used was dried over sodium and the sodium was freshly cut reagent grade stored without oil . Preparation and Properties of Dimethylstannylenedisodium . - Pure dimethylstannylene- disodium is made by adding small ...
Contents
ABEL E W Bennett M A and Wilkinson G | 2323 |
Bourne E J Hartigan J and Weigel H | 2332 |
Clark E R | 2344 |
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1,3,5-trinitrobenzene absorption acetic acid acetic anhydride acetone added alcohol alkaline alkyl Amer amine ammonia anhydride atom benzene boiling bond bromide Calc carbon Chem chloride chloroform chromatography complex compound concentration constant cooled crystallised crystals curve decomp derivatives diethylamine dilute dimer dioxan dioxide dissolved distilled dried eluted ester ethanol evaporated filtered filtrate formation formed Found fraction gave give glycollic acid glyoxylic acid heated hydride hydrochloric acid hydrolysis hydroxide infrared infrared spectrum iodide isolated isomer K₁ light petroleum b. p. lithium lithium aluminium hydride m. p. and mixed methyl methyl iodide mixed m. p. mixture mole molecular molecule nitrogen obtained oxidation oxygen perchlorate picrate polymer potassium precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid solvent spectra stirred structure sulphuric acid Table titration ultraviolet values washed yield