Chemical News and Journal of Industrial Science, Tomy 129-130Chemical news office., 1924 |
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Strona 20
... bromine , an dthe hydrolysis of this to the dicyanocar- boxylic acid ( 2 ) when it is stable , or to the hydroxy open chain acid where ring fission occurs . C ( CN ) CO2H Jt Clearly , by employing a selected number of many ketones which ...
... bromine , an dthe hydrolysis of this to the dicyanocar- boxylic acid ( 2 ) when it is stable , or to the hydroxy open chain acid where ring fission occurs . C ( CN ) CO2H Jt Clearly , by employing a selected number of many ketones which ...
Strona 38
... bromine in sol- vents such as glacial acetic acid and ethyl alcohol , consists in the normal splitting of the double bond between the nitrogen and carbon atoms of the thiazole nucleus , with the addition of two atoms of bromine at the ...
... bromine in sol- vents such as glacial acetic acid and ethyl alcohol , consists in the normal splitting of the double bond between the nitrogen and carbon atoms of the thiazole nucleus , with the addition of two atoms of bromine at the ...
Strona 40
... bromine . drop bp drop from a burette charged with the latter . The liquid turned a deeper red , and then a brown colour , with the separa- tion of a fine precipitate . Drowning the mixture in water completed the precipita- tion . The ...
... bromine . drop bp drop from a burette charged with the latter . The liquid turned a deeper red , and then a brown colour , with the separa- tion of a fine precipitate . Drowning the mixture in water completed the precipita- tion . The ...
Strona 69
... bromine , the structure ( 8 ) was assigned to the com- pounds . CH ( CN ) CO RR / C . NH CH ( CN ) CO ( 6 ) CBr ( CN ) CO RR'C NH CBr ( CN ) CO ( 7 ) RR'C C ( CN ) CO T ' C ( CN ) CO ( 8 ) NH = - At first sight the constitution seems un ...
... bromine , the structure ( 8 ) was assigned to the com- pounds . CH ( CN ) CO RR / C . NH CH ( CN ) CO ( 6 ) CBr ( CN ) CO RR'C NH CBr ( CN ) CO ( 7 ) RR'C C ( CN ) CO T ' C ( CN ) CO ( 8 ) NH = - At first sight the constitution seems un ...
Strona 71
... bromine derivatives , and also unites molecularly with many mineral acids , nitric acid being a case in point . Acetonitrite combines directly with bro- mine under the influence of heat , with the formation of a crystalline compound ...
... bromine derivatives , and also unites molecularly with many mineral acids , nitric acid being a case in point . Acetonitrite combines directly with bro- mine under the influence of heat , with the formation of a crystalline compound ...
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acid action added addition Agents alcohol amount apparatus appears application atom British bromine carbon cent Chemical Chemistry chloride colour Communicated complete compound considerable containing described determined direct effect electric elements ENGINEERS experiments fact formation further give given glucose heat HOUSE important increase industry Institute interest iron known Laboratory light lines London manufacture material matter means measured meeting ment metal method Mines mixture nature Notes NOTICES observed obtained Office oxide Patents physical plant possible post free precipitate prepared present Prof properties Published pure quantity reference regard Research ring Royal salt scientific separation shown Society sodium solution SQUARE substance sulphur Table temperature tion Trade various volume yield