Quarterly Journal of the Chemical Society of London, Part 3, Pages 1153-2704 |
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Page 1176
... evaporated to give the product ( 4-7 g . , 98 % ) . Recrystallisation from aqueous methanol gave the dimethylamino - derivative as needles . ( 4.3 g . ) , m . p . 49.5-50 ° ( Found : C , 50-2 ; H , 6-2 ; N , 17-3 ; S , 13-2 . C10H15N ...
... evaporated to give the product ( 4-7 g . , 98 % ) . Recrystallisation from aqueous methanol gave the dimethylamino - derivative as needles . ( 4.3 g . ) , m . p . 49.5-50 ° ( Found : C , 50-2 ; H , 6-2 ; N , 17-3 ; S , 13-2 . C10H15N ...
Page 1551
... evaporated . Trituration of the residue with ether gave x- ( diphenylphosphinyloxy ) benzyldiphenylphosphine oxide ( 1.8 g . ) , m . p . ( from ethyl acetate ) and mixed m . p . 190-191 ° . Reaction of Benzoic Anhydride with ...
... evaporated . Trituration of the residue with ether gave x- ( diphenylphosphinyloxy ) benzyldiphenylphosphine oxide ( 1.8 g . ) , m . p . ( from ethyl acetate ) and mixed m . p . 190-191 ° . Reaction of Benzoic Anhydride with ...
Page 1743
... evaporated . A solution of the residue in ethyl acetate was stirred under nitrogen with an excess of 10 % aqueous potassium carbonate . After the organic solution had been washed with water and dried , it was mixed with methyl iodide ...
... evaporated . A solution of the residue in ethyl acetate was stirred under nitrogen with an excess of 10 % aqueous potassium carbonate . After the organic solution had been washed with water and dried , it was mixed with methyl iodide ...
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Common terms and phrases
absorption acetic acid acetone acetyl adduct alcohol alumina Amer amine anhydride aqueous aromatic ation atom benzene bromide Calc carbon carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ compound cooled crystallised decomp derivative dilute dimethyl distilled doublet dried eluted ester ethanol ethyl acetate evaporated extracted with ether filtered filtrate formed Found fraction gave give heated under reflux hydrochloric acid hydrogen hydrolysis infrared spectrum irradiated isolated isomer ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl ether mixed m. p. mmoles mole multiplet n.m.r. spectrum needles nitrogen obtained oxide phenyl potassium potassium hydroxide prepared protons pyridine quinone reaction mixture reduced pressure reduction requires residue ring room temperature silica gel singlet sodium borohydride sodium hydroxide solution solvent spectra stirred structure sulphuric acid VIII washed yellow yield