British Abstracts: Pure chemistry and physiology. ser. A1926 |
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... semicarbazone of l - galacturonolactone " is the semicarbazide of unoxidised d - galactonic acid . Similarly , the semicarbazone of l - mannurono- lactone is proved to be the monosemicarbazide of l - mannosaccharodilactone . The ...
... semicarbazone of l - galacturonolactone " is the semicarbazide of unoxidised d - galactonic acid . Similarly , the semicarbazone of l - mannurono- lactone is proved to be the monosemicarbazide of l - mannosaccharodilactone . The ...
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... semicarbazone , m . p . 185 ° . The formation of diphenyl is explained on the assumption of the intermediate formation of the dinitrile of succinic acid , which could not be isolated on account of polymerisation . J. S. H. DAVIES ...
... semicarbazone , m . p . 185 ° . The formation of diphenyl is explained on the assumption of the intermediate formation of the dinitrile of succinic acid , which could not be isolated on account of polymerisation . J. S. H. DAVIES ...
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... semicarbazone , m . p . 211 ° , dibromide , m . p . 142 ° , and tribromo - derivative , m . p . 186 ° , of this ketone are described . Reduction with palladium and hydrogen yields ketotetrahydrodi- cyclopentadiene ( I ) , b . p . 100 ...
... semicarbazone , m . p . 211 ° , dibromide , m . p . 142 ° , and tribromo - derivative , m . p . 186 ° , of this ketone are described . Reduction with palladium and hydrogen yields ketotetrahydrodi- cyclopentadiene ( I ) , b . p . 100 ...
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... semicarbazone , m . p . 142-147 ° ) . CHEMICAL ABSTRACTS . Relation between chemical constitution and pungency in acid amides . E. C. S. JONES and F. L. PYMAN ( J.C.S. , 1925 , 127 , 2588-2598 ) .— By varying both the acyl- and the ...
... semicarbazone , m . p . 142-147 ° ) . CHEMICAL ABSTRACTS . Relation between chemical constitution and pungency in acid amides . E. C. S. JONES and F. L. PYMAN ( J.C.S. , 1925 , 127 , 2588-2598 ) .— By varying both the acyl- and the ...
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... semicarbazone , decomp . above 280 ° , oxime , m . p . 195 ° . In the case of o - nitro- phenylacetonitrile and o - nitrobenzonitrile , the amino- group appears to protect the cyano - group from reduction , the products isolated being o ...
... semicarbazone , decomp . above 280 ° , oxime , m . p . 195 ° . In the case of o - nitro- phenylacetonitrile and o - nitrobenzonitrile , the amino- group appears to protect the cyano - group from reduction , the products isolated being o ...
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A. A. ELDRIDGE absorption acetic acid acetic anhydride acetone action activity adsorption alcohol alkali aluminium aluminium chloride Amer ammonia ammonium anhydride aqueous solution atoms barium benzene benzyl Biochem boiling bromide calcium carbon dioxide catalyst Chem chemical chim chloric acid colloidal colour compounds concentration condensation containing converted copper corresponding crystallisation crystals curve decomp decomposition derivatives determined dextrose dilute dissociation effect electrolytes electrons ester ether ethyl ethyl alcohol F. G. WILLSON formation formed gives heated hydrate hydrazine hydrochloric acid hydrogen chloride hydrolysis increase iodide iodine ionisation ions ketone liquid magnesium mercury metals method mixture molecular molecules nickel nitrate nitric acid nitrogen obtained oxalate oxide oxidised oxygen P. W. CLUTTERBUCK phenyl Physik platinum potassium potassium hydroxide precipitate prepared presence pressure protein pyridine reaction reduced salt semicarbazone silver sodium hydroxide sols solubility spectra substances sulphate sulphide sulphuric acid temperature vapour whilst yields zinc