Quarterly Journal of the Chemical Society of London, Volume 1, Pages 1-1108 |
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Page 768
... cm . 1 ; max . ( mull ) 1742 and 1712 cm . 1 ; max . 312 ( 9400 ) , 342 ( 6000 ) , infl . 233 ( 11,300 ) mμ ; T 7.37 ( 3 ) ( CH , ) , 7-28 ( 3 ) ( CH , C = O ) , 6-01 ( 3 ) ( CH , O ) , 28 , 194 ( 2 ) ( J = 8.4 c./sec . , aromatic ...
... cm . 1 ; max . ( mull ) 1742 and 1712 cm . 1 ; max . 312 ( 9400 ) , 342 ( 6000 ) , infl . 233 ( 11,300 ) mμ ; T 7.37 ( 3 ) ( CH , ) , 7-28 ( 3 ) ( CH , C = O ) , 6-01 ( 3 ) ( CH , O ) , 28 , 194 ( 2 ) ( J = 8.4 c./sec . , aromatic ...
Page 794
... 1 : 1 , v , 3300 ( OH ) and 1645 cm . - 1 ( xanthone C = O ) ( Found : C , 68-9 ; H , 4-0 . Calc . for C14H10O4 : C , 69.4 ; H , 4 · 1 % ) . 6 - Allyloxy - 1 - methoxyxanthone ( VI ) .- 6 - Hydroxy - 1 - meth- oxyxanthone ( 2 · 0 g ...
... 1 : 1 , v , 3300 ( OH ) and 1645 cm . - 1 ( xanthone C = O ) ( Found : C , 68-9 ; H , 4-0 . Calc . for C14H10O4 : C , 69.4 ; H , 4 · 1 % ) . 6 - Allyloxy - 1 - methoxyxanthone ( VI ) .- 6 - Hydroxy - 1 - meth- oxyxanthone ( 2 · 0 g ...
Page 987
... 1 % ) , vp ( Nujol ) 3350 and 3150 ( N - H ) , 1640 , 1595 , 1520 , 1250 cm . max . -1 1 - Carbamoyl - 3 - phenylindolizine ( XV ; R = Ph , R ' = H , R ” = CONH2 ) . This was prepared in 89 % yield by method B. Sublimation at 160 ...
... 1 % ) , vp ( Nujol ) 3350 and 3150 ( N - H ) , 1640 , 1595 , 1520 , 1250 cm . max . -1 1 - Carbamoyl - 3 - phenylindolizine ( XV ; R = Ph , R ' = H , R ” = CONH2 ) . This was prepared in 89 % yield by method B. Sublimation at 160 ...
Contents
By A J HUBERT | 2 |
6Methoxy3methylbenzofurano47quinone dimers of 3methylbenzofurans and tautomerism in 2acetyl | 3 |
By R GARNER and H SUSCHITZKY | 74 |
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absorption acetic acid acetic anhydride acetone acetyl adduct alcohol alumina Amer amine aromatic ation band benzene bromide Calc carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ CO₂Me colourless compound cooled corresponding crystallised decomp derivatives diazomethane dilute dioxan dissolved distilled doublet dried elution ester ethanol ether ethyl acetate EtOH evaporated extracted with ether filtered filtrate Found fraction gave give heated under reflux hydrochloric acid hydrogenolysis hydrolysis hydroxyl infrared infrared spectrum isolated isomer ketone lactone light petroleum b. p. lithium aluminium hydride log ɛ methyl angolensate methyl ester methylene mixed m. p. mmoles mole multiplet n.m.r. spectrum needles Nujol obtained oxetan oxidation peaks phenyl potassium prepared protons pyridine reaction mixture reduction requires residue ring room temperature singlet sodium hydroxide solid solution solvent spectra spectrum showed stirred structure sulphuric acid ultraviolet VIII washed yellow yield