Journal of the Chemical SocietyThe Society., 1958 |
From inside the book
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Page 2693
... alloGibberic Acid . By T. P. C. MULHOLLAND . alloGibberic acid , an acid - hydrolysis product of gibberellic acid , is shown to have structure ( III ) . 6 alloGIBBERIC ACID , the unsaturated hydroxy - acid C18H2003 obtained by mild ...
... alloGibberic Acid . By T. P. C. MULHOLLAND . alloGibberic acid , an acid - hydrolysis product of gibberellic acid , is shown to have structure ( III ) . 6 alloGIBBERIC ACID , the unsaturated hydroxy - acid C18H2003 obtained by mild ...
Page 2695
... allogibberic acid . While allogibberic acid , like gibberic acid , 10 gave mainly 1 : 7 - dimethylfluorene ( gibberene ) , little if any of this compound was obtained from dihydroallogibberic acid . This , and more readily the keto ...
... allogibberic acid . While allogibberic acid , like gibberic acid , 10 gave mainly 1 : 7 - dimethylfluorene ( gibberene ) , little if any of this compound was obtained from dihydroallogibberic acid . This , and more readily the keto ...
Page 2696
... alloGibberic acid was recovered after treatment with acetic anhydride and pyridine at room temperature for 24 hr . alloGibberic acid ( 99 mg . ) was kept with acetic anhydride ( 0-6 ml . ) in pyridine ( 1-2 ml . ) at 37 ° for 7 days ...
... alloGibberic acid was recovered after treatment with acetic anhydride and pyridine at room temperature for 24 hr . alloGibberic acid ( 99 mg . ) was kept with acetic anhydride ( 0-6 ml . ) in pyridine ( 1-2 ml . ) at 37 ° for 7 days ...
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