Quarterly Journal of the Chemical Society of London, Volume 16, Pages 2739-3518 |
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Page 3116
... formed by reaction of the insertion complex ( VIII ) with hydrogen bromide ( formed by elimination from 2- bromobuta - 1,3 - diene ) or with a hydridocarbonyliron , a free - radical mechanism being ruled out since ( II ) is formed in ...
... formed by reaction of the insertion complex ( VIII ) with hydrogen bromide ( formed by elimination from 2- bromobuta - 1,3 - diene ) or with a hydridocarbonyliron , a free - radical mechanism being ruled out since ( II ) is formed in ...
Page 3450
... formed is considered to arise from the lithium compound ( 2 ) formed by reaction ( 2 ) ( this reaction accounts for the remainder of the benzo [ b ] thiophen formed in the methylation reactions ) . The fact that the amount of benzo [ b ] ...
... formed is considered to arise from the lithium compound ( 2 ) formed by reaction ( 2 ) ( this reaction accounts for the remainder of the benzo [ b ] thiophen formed in the methylation reactions ) . The fact that the amount of benzo [ b ] ...
Page 3452
... formed in these reactions arises from reactions ( 2 ) and ( 3 ) . Thus , the amount of benzo- [ b ] thiophen formed after carboxylation is approximately equal to the amount of the 2 - acid formed [ Table 1 ; nos . ( iv ) and ( v ) ] and ...
... formed in these reactions arises from reactions ( 2 ) and ( 3 ) . Thus , the amount of benzo- [ b ] thiophen formed after carboxylation is approximately equal to the amount of the 2 - acid formed [ Table 1 ; nos . ( iv ) and ( v ) ] and ...
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