Journal of the Chemical SocietyThe Society., 1965 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
From inside the book
Results 1-3 of 80
Page 3149
... petroleum ) . The fractions eluted with 10 and 15 % ethyl acetate were solid and were recrystallised from acetone - light petroleum , giving 28 - acetoxy - 13 - methyl - 8 - methylenegibbane - la , 4ax , 10ß - tricarboxylic acid 1- 4a ...
... petroleum ) . The fractions eluted with 10 and 15 % ethyl acetate were solid and were recrystallised from acetone - light petroleum , giving 28 - acetoxy - 13 - methyl - 8 - methylenegibbane - la , 4ax , 10ß - tricarboxylic acid 1- 4a ...
Page 3150
... petroleum ) . Elution with 20 % of ethyl acetate gave methyl 13 - methyl - 8 - methylene- 2 - oxogibbane - la , 4ax , 10ẞ - tricarboxylate ( IV ) which crystallised in rhombs ( 0 · 129 g . ) from acetone- light petroleum , m . p . 138 ...
... petroleum ) . Elution with 20 % of ethyl acetate gave methyl 13 - methyl - 8 - methylene- 2 - oxogibbane - la , 4ax , 10ẞ - tricarboxylate ( IV ) which crystallised in rhombs ( 0 · 129 g . ) from acetone- light petroleum , m . p . 138 ...
Page 3548
... petroleum ( 1 : 5 ) . Elution of the column with 500 - ml . portions of solvents gave the following products on recovery ( solvent and proportions in parentheses ) : ( Fractions 1-8 ) ( chloroform - light petroleum , 1 : 5 ) , intract ...
... petroleum ( 1 : 5 ) . Elution of the column with 500 - ml . portions of solvents gave the following products on recovery ( solvent and proportions in parentheses ) : ( Fractions 1-8 ) ( chloroform - light petroleum , 1 : 5 ) , intract ...
Contents
By W GEE R A SHAW and B C SMITH | 3012 |
Organic | 3015 |
By DAVID PETERS | 3026 |
Copyright | |
156 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid acetone added alcohol alumina Amer amine aqueous aromatic atom band benzene boron boron trichloride bromide butene butenolide Calc calculated carbonyl catalyst cation CH₂ Chem chloride chloroform chromatography cm.¹ CO₂Me complexes compounds concentration conjugated constants crystallised crystals delocalisation diluted dimethyl dimethylformamide dioxan distilled diyne dried electron eluted energy equilibrium ester ethanol ethyl acetate evaporated experimental extracted with ether Figure formation formed Found fraction frequency gave gibberellin give halides heated hexane hydrochloric hydrolysis hydroxide infrared infrared spectra iodide isomer isomerisation isoxazole ketone ligand light petroleum lophine method mixture molar mole molecular molecule needles nitrogen obtained orbitals oxidation peak petroleum b. p. phenyl piperidine polymers potassium prepared pressure proton pyridine reaction reflux requires residue resonance ring room temperature sodium hydrogen carbonate solid solution solvent spectrum structure Table ultraviolet values washed yield