Quarterly Journal of the Chemical Society of London, Volume 16, Pages 2739-3518 |
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Page 3043
... prepared an O - acetate of ' dihydroviomycid- ine ' , the structure of which was confirmed by i.r. and n.m.r. spectroscopy , and they accepted our views on the structure of their product . In attempts to extend the above synthetic ...
... prepared an O - acetate of ' dihydroviomycid- ine ' , the structure of which was confirmed by i.r. and n.m.r. spectroscopy , and they accepted our views on the structure of their product . In attempts to extend the above synthetic ...
Page 3466
... prepared by mixing hot aqueous solutions of the disulphonium salt and sodium picrate : it had m.p. 176 ° ( Found : C , 46-2 ; H , 3.2 ; N , 11.3 . C28H24N8O14S2 requires C , 46-1 ; H , 3-3 ; N , 11.5 % ) . ( b ) Biphenyl - 2,2 ...
... prepared by mixing hot aqueous solutions of the disulphonium salt and sodium picrate : it had m.p. 176 ° ( Found : C , 46-2 ; H , 3.2 ; N , 11.3 . C28H24N8O14S2 requires C , 46-1 ; H , 3-3 ; N , 11.5 % ) . ( b ) Biphenyl - 2,2 ...
Page 3506
... prepared by the method of Fieser and Domínguez 17 and purified by passage through alumina . Crystallization afforded material of m.p. 70—71 ° ( lit. , 17 69-70 ° , [ a ]。 + 71 · 7 ° ( lit. , 17 + 70 ° ) . ( - ) - Dipinan - 3x ...
... prepared by the method of Fieser and Domínguez 17 and purified by passage through alumina . Crystallization afforded material of m.p. 70—71 ° ( lit. , 17 69-70 ° , [ a ]。 + 71 · 7 ° ( lit. , 17 + 70 ° ) . ( - ) - Dipinan - 3x ...
Contents
Organic chemistry | 2739 |
Cyclic quaternary ammonium salts Part VIII Imidazo12apyrazinium salts | 2748 |
Reactions of pyridine Noxides with 36dichloropyridazine | 2756 |
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2-pyridyl acetic acid acetic anhydride acetone acetonitrile added adduct Amer amine anhydride aqueous aromatic azide benzene benzyl bromide Calc carbon CH₂ Chem Chemical chloride chloroform chromatographed cm¯¹ cm¹ CO₂H compound crystallised cyclisation decomp derivative dimethyl dimethylformamide distilled doublet dried elution ester ethanol ether ethyl acetate EtOH evaporated extracted filtered filtrate Found fraction gave give heated under reflux hydrazone hydride hydrochloric hydrogen hydrolysis hydroxide i.r. spectrum isolated ketone light petroleum lithium aluminium hydride mass spectra methyl methylene mixed m.p. mixture mmHg mmol mmoles N-oxide n.m.r. spectra needles nitrogen obtained oxidation petroleum b.p. Ph Ph phenol phosphite potassium prepared protons pyridine reaction reagent rearrangement requires residue ring room temperature signals silica gel sodium sodium hydroxide solid solution solvent stirred structure synthesis Tetrahedron triethyl phosphite washed yield