Quarterly Journal of the Chemical Society of London, Volume 16, Pages 2739-3518 |
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Results 1-3 of 79
Page 2858
... cooled . The Grignard reagent was diluted with ether ( 100 ml ) and cooled to −20 ° ( bath temp . ) , and a solution of 5,6,7 - trimethoxy - 1 - tetralone ( 1 ) ( 18 g . ) in tetrahydrofuran ( 20 ml ) and ether ( 80 ml ) was slowly ...
... cooled . The Grignard reagent was diluted with ether ( 100 ml ) and cooled to −20 ° ( bath temp . ) , and a solution of 5,6,7 - trimethoxy - 1 - tetralone ( 1 ) ( 18 g . ) in tetrahydrofuran ( 20 ml ) and ether ( 80 ml ) was slowly ...
Page 2975
... cooled , and diluted with water ( 50 ml . ) . The product was isolated by extraction with ether ( 4 × 40 ml . ) ; the extracts were dried ( Na2SO , ) and the solvent was removed at atmospheric pressure by use of a 30 cm . Vigreux column ...
... cooled , and diluted with water ( 50 ml . ) . The product was isolated by extraction with ether ( 4 × 40 ml . ) ; the extracts were dried ( Na2SO , ) and the solvent was removed at atmospheric pressure by use of a 30 cm . Vigreux column ...
Page 3020
... cooled , water was added , and the mixture was cooled in an ice - bath until crystallis- ation occurred . The 2 - arylthio - 2 - phenyl [ 1-14C ] acetophen- ones thus obtained were filtered off and recrystallised from ethanol ( 60-90 ...
... cooled , water was added , and the mixture was cooled in an ice - bath until crystallis- ation occurred . The 2 - arylthio - 2 - phenyl [ 1-14C ] acetophen- ones thus obtained were filtered off and recrystallised from ethanol ( 60-90 ...
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