Quarterly Journal of the Chemical Society of London, Part 3 |
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Page 2368
... dioxan , in the region 215—350 mụ . Subst . in Amar . Amin . Amax . Amin . ΠΙΑΣ . 4 - phenyl group mμ log ε * mu log ε * mu log ε mu log ε mu log ε None 227 4.62 260 3.58 298 3.86 311 3.70 327 3.77 4 - OMe 226.5 4.60 262.5 3.31 ( 315 ) ...
... dioxan , in the region 215—350 mụ . Subst . in Amar . Amin . Amax . Amin . ΠΙΑΣ . 4 - phenyl group mμ log ε * mu log ε * mu log ε mu log ε mu log ε None 227 4.62 260 3.58 298 3.86 311 3.70 327 3.77 4 - OMe 226.5 4.60 262.5 3.31 ( 315 ) ...
Page 2711
... dioxan ( 0.5 ml . ) , followed by ethyl chloroformate ( 0.12 ml . ) in dioxan ( 0.12 ml . ) . The mixture was heated at 50-55 ° for 30 min . , then diluted with water ( 3 ml . ) and freed from dioxan by evaporation . Basification of the ...
... dioxan ( 0.5 ml . ) , followed by ethyl chloroformate ( 0.12 ml . ) in dioxan ( 0.12 ml . ) . The mixture was heated at 50-55 ° for 30 min . , then diluted with water ( 3 ml . ) and freed from dioxan by evaporation . Basification of the ...
Page 2848
... dioxan . The spectrum of an aqueous solution ( yellow ) has a relatively feeble band at 432 mp . The spectrum of a dioxan solution of comparable concentration ( colourless ) lacks this band . Addition of water to a colourless dioxan ...
... dioxan . The spectrum of an aqueous solution ( yellow ) has a relatively feeble band at 432 mp . The spectrum of a dioxan solution of comparable concentration ( colourless ) lacks this band . Addition of water to a colourless dioxan ...
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