Quarterly Journal of the Chemical Society of London, Part 3, Pages 1153-2704 |
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Results 1-3 of 64
Page 1308
... acetone ) ( Found : C , 65 · 3 ; H , 6-3 ; OMe , 35.2 . C38H42O12 requires C , 66-1 ; H , 6-1 ; OMe , 36.0 % ) . 19 Diacetate of octamethyl ether . The ether ( 53 mg . ) gave an amorphous diacetate ( 43 mg . ) , m . p . 120-125 ° , [ a ] ...
... acetone ) ( Found : C , 65 · 3 ; H , 6-3 ; OMe , 35.2 . C38H42O12 requires C , 66-1 ; H , 6-1 ; OMe , 36.0 % ) . 19 Diacetate of octamethyl ether . The ether ( 53 mg . ) gave an amorphous diacetate ( 43 mg . ) , m . p . 120-125 ° , [ a ] ...
Page 1562
... acetone and concentration of the acetone extract to dryness gave 100 mg . of oil that was ca. 30 % nicotinamide , estimated by t.l.c. and comparison of the u.v. spectrum in methanol with that of authentic ( 8 ) . The original neutral ...
... acetone and concentration of the acetone extract to dryness gave 100 mg . of oil that was ca. 30 % nicotinamide , estimated by t.l.c. and comparison of the u.v. spectrum in methanol with that of authentic ( 8 ) . The original neutral ...
Page 2395
... acetone and recrystallised from acetone - hydrobromic acid ( 48 % ) giving the bromide ( 4.9 g . , 85 % ) as colourless needles which charred without melting below 320 ° ( Found : C , 39-8 ; H , 3-2 ; N , 11-7 . C , H , BrN2O , requires ...
... acetone and recrystallised from acetone - hydrobromic acid ( 48 % ) giving the bromide ( 4.9 g . , 85 % ) as colourless needles which charred without melting below 320 ° ( Found : C , 39-8 ; H , 3-2 ; N , 11-7 . C , H , BrN2O , requires ...
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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