Journal of the Chemical SocietyThe Society., 1958 |
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Page 2742
... separated , and was converted into the base ( 1.60 g . ) , m . p . 82-83 ° . The hydrobromide crystallised from ethanol as needles , m . p . 266— 267.5 ° ( decomp . ) . The base was twice distilled and yielded 2 - methylindeno ( l ′ : 2 ...
... separated , and was converted into the base ( 1.60 g . ) , m . p . 82-83 ° . The hydrobromide crystallised from ethanol as needles , m . p . 266— 267.5 ° ( decomp . ) . The base was twice distilled and yielded 2 - methylindeno ( l ′ : 2 ...
Page 2994
... separated from alcohol in colourless rod - like prisms , m . p . 189-190-5 ° , max . 1795 ( ẞy ' - unsaturated y - lactone ) , 1773 ( y - lactone ) , and 1736 cm.1 ( acetate ) . = = 6 ( b ) Finely powdered anhydropicrotin ( 5 g ...
... separated from alcohol in colourless rod - like prisms , m . p . 189-190-5 ° , max . 1795 ( ẞy ' - unsaturated y - lactone ) , 1773 ( y - lactone ) , and 1736 cm.1 ( acetate ) . = = 6 ( b ) Finely powdered anhydropicrotin ( 5 g ...
Page 3014
... separated from methanol in hexagonal plates , m . p . 55–56 ° ( Found : C , 73-4 ; H , 6 · 7 ; Ac , 14 · 4 . C1H2O ̧ requires C , 73-1 ; H , 6 · 5 ; Ac , 13.8 % ) . The ester was hydrolysed by sodium hydroxide to 3 5 - xylenol and 2 ...
... separated from methanol in hexagonal plates , m . p . 55–56 ° ( Found : C , 73-4 ; H , 6 · 7 ; Ac , 14 · 4 . C1H2O ̧ requires C , 73-1 ; H , 6 · 5 ; Ac , 13.8 % ) . The ester was hydrolysed by sodium hydroxide to 3 5 - xylenol and 2 ...
Contents
Chemical applications of nuclear quadrupole resonance spectroscopy Part | 2634 |
541 | 2637 |
the isomerisation of normal to isosapogenins | 2645 |
114 other sections not shown
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetylene activation energy added alkaline alkyl allogibberic alumina Amer amine atom benzene boiling bond bromine Calc carbon cation CH₂ Chem chloride chloroform chromatographed colourless compound concentrated containing cooled crystallised from ethanol crystals curves cyclic sulphide cyclohexene decomp derivative dilute dimethylformamide diphenylene dissolved distilled disulphide dried eluted ester ethanol ether evaporated extracted filtered filtrate formation Found fraction gave give heated hydrochloric acid hydrogen pressure hydrogen sulphide hydrogenolysis hydrolysis infrared spectrum iodide iodine ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitric acid nitrogen obtained olefin oxide picrate polysulphide potassium hydroxide precipitated prepared prisms pyridine reaction reduction reflux requires residue room temperature saturated sodium hydroxide solid solvent spectra substituent sulphuric acid synthesis thiol ultraviolet vacuo washed yellow yield