Quarterly Journal of the Chemical Society of London, Volume 1, Pages 1-1364 |
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Page 337
... ethers : 4 - methyl ether 3 - Ac 4 - O - CH 5.22 ( d ) 5.93 ( q ) 5.37 ( d ) 2.64 ( d ) 6.41 ( s ) J2.3 9.8 Σ / 18 : 0 J3.4 7.6 3 - acetate 4 - methyl ether 5.07d 4.33 ( q ) 5.17 ( d ) 2.67 ( d ) 8.12 ( s ) 6-65 ( s ) J2.3 9.5 Σ Τ 17.0 ...
... ethers : 4 - methyl ether 3 - Ac 4 - O - CH 5.22 ( d ) 5.93 ( q ) 5.37 ( d ) 2.64 ( d ) 6.41 ( s ) J2.3 9.8 Σ / 18 : 0 J3.4 7.6 3 - acetate 4 - methyl ether 5.07d 4.33 ( q ) 5.17 ( d ) 2.67 ( d ) 8.12 ( s ) 6-65 ( s ) J2.3 9.5 Σ Τ 17.0 ...
Page 383
... ether was added during 15 min to a stirred solution of the lactone ( 4 ) ( 1.15 g ) in anhydrous ether ( 30 ml ) . After 1 h the solution was worked up by washing it with dilute hydro- chloric acid , water , and dilute sodium ...
... ether was added during 15 min to a stirred solution of the lactone ( 4 ) ( 1.15 g ) in anhydrous ether ( 30 ml ) . After 1 h the solution was worked up by washing it with dilute hydro- chloric acid , water , and dilute sodium ...
Page 1297
... ether ( 19 ) ( 1 g . ) , toluene - p - sulphonyl chloride ( 0.2 g . ) , and dry methanol ( 2.5 c.c. ) were heated together under reflux with exclusion of moisture for 1 hr . The mixture was diluted with water and extracted with ether ...
... ether ( 19 ) ( 1 g . ) , toluene - p - sulphonyl chloride ( 0.2 g . ) , and dry methanol ( 2.5 c.c. ) were heated together under reflux with exclusion of moisture for 1 hr . The mixture was diluted with water and extracted with ether ...
Contents
By K C BASS and G M TAYLOR | 1 |
ether 100 ml was added slowly to a stirred solution | 4 |
Oxidative dimerisations of natural rethrolones and related compounds with manganese dioxide | 9 |
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1,2-Benzoquinone acetic acid acetone added adduct aldehyde Amer amine aqueous ethanol aromatic atom azine benzanilide benzene benzyl bromide Calc carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ compound crystallised cyclisation decomp decomposition derivatives dilute dimer distillation dried eluted ester ethanol ethyl acetate EtOH evaporated extracted with ether filtered Found fraction gave give heated under reflux hydrazine hydride hydrochloride hydrogen chloride hydrolysis i.r. spectrum imine iodide isolated ketone light petroleum b.p. lithium aluminium hydride log ɛ Mannich base mass spectrum MeOH methyl methylene mixed m.p. mmHg mmoles mole n.m.r. spectrum needles nitrogen nucleophilic Nujol obtained oxidation phenyl potassium protons pyridine quinone reaction mixture requires residue room temperature salt Scheme showed silica gel sodium hydroxide solution solvent spectra starting material stirred Table Tetrahedron washed white solid yield