Quarterly Journal of the Chemical Society of London, Part 3, Pages 1153-2704 |
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Page 1257
... derivative 3 ' - pyridyl derivative ( 22a ; left - hand ordinate ) ; ( 21a ; right - hand ordinate ) compounds , the highest degree of concerted effect between the electron - repelling anionic purine ring and the elec- tron - attracting ...
... derivative 3 ' - pyridyl derivative ( 22a ; left - hand ordinate ) ; ( 21a ; right - hand ordinate ) compounds , the highest degree of concerted effect between the electron - repelling anionic purine ring and the elec- tron - attracting ...
Page 1455
... derivative ( XI ) , and a trimethyl derivative ( VIII ) identical with the known 182 the s of il -Ph NHR NMe Diels - Alder Reactions with Bi - indenyls . Part. Org . NH2 Ph ( 1 ) ( 11 ) ( IX ) NH : NHMe ΝΗ , Ph NHMe N Me : Ph + NHMe ...
... derivative ( XI ) , and a trimethyl derivative ( VIII ) identical with the known 182 the s of il -Ph NHR NMe Diels - Alder Reactions with Bi - indenyls . Part. Org . NH2 Ph ( 1 ) ( 11 ) ( IX ) NH : NHMe ΝΗ , Ph NHMe N Me : Ph + NHMe ...
Page 1703
... derivative [ max . ( EtOH ) 270 mμ ] was yellow but the visible spectrum was not reported . Its infrared spectrum indicated that it contained a hydroxyl group , but no carbonyl group . The p - nitrophenylhydrazine derivative contained a ...
... derivative [ max . ( EtOH ) 270 mμ ] was yellow but the visible spectrum was not reported . Its infrared spectrum indicated that it contained a hydroxyl group , but no carbonyl group . The p - nitrophenylhydrazine derivative contained a ...
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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