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 76
Page 3173
... removed under reduced pressure , and the colourless crystalline diphenylphosphine - borane , m . p . 48-50 ° ( lit. , 2 49–52 ° ) , was heated in an oil - bath ( 2 hr . ) at 190-200 ° . Recrystallisation from benzene - ethanol gave ( I ) ...
... removed under reduced pressure , and the colourless crystalline diphenylphosphine - borane , m . p . 48-50 ° ( lit. , 2 49–52 ° ) , was heated in an oil - bath ( 2 hr . ) at 190-200 ° . Recrystallisation from benzene - ethanol gave ( I ) ...
Page 4360
... removed from the extract leaving a brown tar . This was slurried with acetone ( 50 ml . ) and the solid separated and washed with water . The colourless product , m . p . 150 ° , was identical with that obtained in the previous ...
... removed from the extract leaving a brown tar . This was slurried with acetone ( 50 ml . ) and the solid separated and washed with water . The colourless product , m . p . 150 ° , was identical with that obtained in the previous ...
Page 4595
... removed at room temperature under reduced pressure . The 1,2 - isopropylidene - 3 - acylglycerol so ob- tained was converted into 1 - monoglyceride without further purification . The 1,2 - isopropylidene blocking group was removed ...
... removed at room temperature under reduced pressure . The 1,2 - isopropylidene - 3 - acylglycerol so ob- tained was converted into 1 - monoglyceride without further purification . The 1,2 - isopropylidene blocking group was removed ...
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