Quarterly Journal of the Chemical Society of London, Volume 21 |
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Results 1-3 of 87
Page 3820
... mixture of compound ( 4 ) ( 8 g ) , concentrated hydro- chloric acid ( 70 ml ) , and methanol ( 140 ml ) was added zinc amalgam [ from zinc ( 20 g ) and mercury ( 11 ) chloride ( 2 g ) ] at 45-50 ° within 20 min . The mixture was ...
... mixture of compound ( 4 ) ( 8 g ) , concentrated hydro- chloric acid ( 70 ml ) , and methanol ( 140 ml ) was added zinc amalgam [ from zinc ( 20 g ) and mercury ( 11 ) chloride ( 2 g ) ] at 45-50 ° within 20 min . The mixture was ...
Page 3826
... mixture of saturated ester - amides and esteri- fication of the acids with diazomethane gave a mixture of ( VIII ) and ( X ) . Compound ( VIII ) was separated by g.1.c. ( Found : C , 70-8 ; H , 11-0 . Calc . for C21H4004 : C , 70-8 ...
... mixture of saturated ester - amides and esteri- fication of the acids with diazomethane gave a mixture of ( VIII ) and ( X ) . Compound ( VIII ) was separated by g.1.c. ( Found : C , 70-8 ; H , 11-0 . Calc . for C21H4004 : C , 70-8 ...
Page 3996
... mixture was stirred at < 10 ° for 1 h , left at 20 ° for 16 h , and then poured into ice - water . The aqueous mixture was extracted with methylene chloride ( 2 × 500 ml ) . The methylene chloride layer was washed , separated , dried ...
... mixture was stirred at < 10 ° for 1 h , left at 20 ° for 16 h , and then poured into ice - water . The aqueous mixture was extracted with methylene chloride ( 2 × 500 ml ) . The methylene chloride layer was washed , separated , dried ...
Contents
Organic chemistry | 3513 |
Partially fluorinated heterocyclic compounds Part IX The syntheses of 4567tetrafluorobenzobfuran | 3516 |
Reactions of cyclohexadienes Part XII Some dienamines and dimethyl acetylenedicarboxylate | 3517 |
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acetic acid acetic anhydride acetone alkyl Amer amine aqueous ethanol aromatic atom benzene benzene-light petroleum benzyl boiling boron tribromide bromide Calc carbonyl CH₂ CHCl3 Chem chloroform chromatography cm¯¹ cm¹ CO₂H compound condensation cooled crystallised decomp derivatives diazomethane dimer dimethyl dimethylformamide dioxan dried elution enol ergochrysin ester ethanol ether ethyl acetate EtOH evaporated extracted filtered Found gave give heated hydrogen chloride i.r. spectrum identical isolated isomers ketone log ɛ mass spectra methyl methylene mixed m.p. mixture myricanone n.m.r. spectrum nitrogen Nujol obtained olefinic oxidation petroleum Ph Ph Ph PhCH₂ phenolic potassium prepared prisms protons pyridine quinuclidine reaction refluxed requires residue ring room temperature S)-sulphoxide sclerotiorin signals singlet sodium hydrogen carbonate sodium hydroxide solid solution solvent stirred structure sulphoxide synthesis triethylamine vacuo W. B. Whalley washed yellow needles yield