Quarterly Journal of the Chemical Society of London, Volume 1, Pages 1-1364 |
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Page 341
... bands at Rp 0 · 19 , 0-28 , 0-61 , and 0.65 . The band at Rp 0-28 gave an oil ( 12 mg ) , M + 374 , [ a ] + 49 · 6 ° ( c 0 · 4 ) ; for mass and n.m.r. spectra see Scheme 2 and Table . The band at Rp 0-65 gave plates ( 28 mg ) ( from ...
... bands at Rp 0 · 19 , 0-28 , 0-61 , and 0.65 . The band at Rp 0-28 gave an oil ( 12 mg ) , M + 374 , [ a ] + 49 · 6 ° ( c 0 · 4 ) ; for mass and n.m.r. spectra see Scheme 2 and Table . The band at Rp 0-65 gave plates ( 28 mg ) ( from ...
Page 718
... band II ( La1A transition ) and band I ( B1A tran- 1A tran- sition ) .6 - - The spectra of the N - arylamino - imides ( III ) show a strong band below 300 nm . and a band of medium intensity or a group of bands above 300 nm . These ...
... band II ( La1A transition ) and band I ( B1A tran- 1A tran- sition ) .6 - - The spectra of the N - arylamino - imides ( III ) show a strong band below 300 nm . and a band of medium intensity or a group of bands above 300 nm . These ...
Page 926
... band in the range 870-885 cm ( Table 2 ) . The same band can be found , at slightly lower frequencies , in polyfluorocyclohexenes , such as TABLE 2 Frequencies / cm1 of the absorption band associated with the vinylic trifluoromethyl ...
... band in the range 870-885 cm ( Table 2 ) . The same band can be found , at slightly lower frequencies , in polyfluorocyclohexenes , such as TABLE 2 Frequencies / cm1 of the absorption band associated with the vinylic trifluoromethyl ...
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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Common terms and phrases
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