Chemical News and Journal of Industrial Science, Tomy 111-112Chemical news office., 1915 |
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Strona 11
... prepared by brominating benzoic acid ( m . p . 157'5-158.5 ° ) , and found that the mixture melted at 157-158 ° ; ( 2 ) made an analysis of the acid with the following result : - 0.1232 gave O'1160 AgBr ; Br = 40'06 . C7H5O2Bг re ...
... prepared by brominating benzoic acid ( m . p . 157'5-158.5 ° ) , and found that the mixture melted at 157-158 ° ; ( 2 ) made an analysis of the acid with the following result : - 0.1232 gave O'1160 AgBr ; Br = 40'06 . C7H5O2Bг re ...
Strona 12
... prepared by the usual Schotten . Baumann process . It crystallises in rosettes of small prisms melting at 65 ° ( found , N = 7'00 ; C26H26O2N2 re- quires N = 704 per cent ) . m - Nitrobenzoylcinchonicine forms colourless needles melting ...
... prepared by the usual Schotten . Baumann process . It crystallises in rosettes of small prisms melting at 65 ° ( found , N = 7'00 ; C26H26O2N2 re- quires N = 704 per cent ) . m - Nitrobenzoylcinchonicine forms colourless needles melting ...
Strona 21
... prepared from pure com- mercial tin and pure chlorine , and was purified by re- peated fractional distillation . Its ... Preparing Alkylated Sugar . case , the.
... prepared from pure com- mercial tin and pure chlorine , and was purified by re- peated fractional distillation . Its ... Preparing Alkylated Sugar . case , the.
Strona 22
... prepared conveniently and expeditiously by the agency , under care- fully chosen conditions , of methyl sulphate and com- mercial sodium hydroxide . Other sugar derivatives , not previously described , have also been prepared by this ...
... prepared conveniently and expeditiously by the agency , under care- fully chosen conditions , of methyl sulphate and com- mercial sodium hydroxide . Other sugar derivatives , not previously described , have also been prepared by this ...
Strona 33
... Preparation of Ethyl Cyanoacetate . - This ester may be readily prepared by a modification of the process recom- mended by Kolbe and Hugo Müller ( Annalen , 1864 , cxxxi . , 348 , 350 ) . Ethyl chloroacetate ( 100 grms . ) dissolved in ...
... Preparation of Ethyl Cyanoacetate . - This ester may be readily prepared by a modification of the process recom- mended by Kolbe and Hugo Müller ( Annalen , 1864 , cxxxi . , 348 , 350 ) . Ethyl chloroacetate ( 100 grms . ) dissolved in ...
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