Quarterly Journal of the Chemical Society of London, Volume 8, Pages 1365-2022 |
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Page 1392
... removed . The residue was extracted with ether and the ethereal layer was washed with water . Removal of the solvent afforded the tetrahydro - derivative . The i.r. spectra of the two samples were identical . Methyl 33 - Hydroxy - 6 ...
... removed . The residue was extracted with ether and the ethereal layer was washed with water . Removal of the solvent afforded the tetrahydro - derivative . The i.r. spectra of the two samples were identical . Methyl 33 - Hydroxy - 6 ...
Page 1657
... removed under reduced pressure , and the waxy residue was refluxed for 3 h with acetic acid ( 134 ml ) . Excess of acetic acid was removed under reduced pressure , and the residual oil was dissolved in ether . The solution was washed ...
... removed under reduced pressure , and the waxy residue was refluxed for 3 h with acetic acid ( 134 ml ) . Excess of acetic acid was removed under reduced pressure , and the residual oil was dissolved in ether . The solution was washed ...
Page 1771
... removed under reduced pressure leaving a colourless oil which rapidly solidified ( 8.39 g . , 99 % ) . This was recrystallised from pentane at -80 ° , yielding the siloxystannane as white needles ( 4.00 g . , 48 % ) , m.p. ( sealed tube ) ...
... removed under reduced pressure leaving a colourless oil which rapidly solidified ( 8.39 g . , 99 % ) . This was recrystallised from pentane at -80 ° , yielding the siloxystannane as white needles ( 4.00 g . , 48 % ) , m.p. ( sealed tube ) ...
Contents
Organic chemistry | 1365 |
Substituted oxindoles Part IV 3Alkylation of 1methylindol23Hone 1methyloxindole | 1375 |
Contents iii | 1377 |
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Common terms and phrases
1-phosphate absorption acetic acid acetic anhydride acetone added adduct alcohol alkyl Amer amine anhydride anhydrous aqueous aromatic atom benzene bromide Calc carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ compound conj cooled crystallised cyclohexanone cyclopentadiene derivatives deuterium diene dimethyl dimethylbutadiene distilled dried eluted ester ethanol ethyl acetate evaporated extracted with ether filtered Found fraction gave give heated under reflux hydrazine hydride hydrochloric hydrogen carbonate hydrolysis hydroxide i.r. spectrum iodide isolated isomer ketone light petroleum mass spectrum methyl methylene mixed m.p. mmHg mole n.m.r. spectrum needles nitrogen obtained olefin oxalylindene oxide petroleum petroleum b.p. phosphate potassium prepared protons pyridine quinone reaction rearrangement reduced pressure requires residue ring room temperature showed silica gel sodium sodium hydroxide solid solution solvent spectra structure substituent Table washed yellow yield