 | American Pharmaceutical Association - 1892 - 1252 páginas
...benzoic acid, methyl aconine. Dunstan and Passmore have carefully gone over the ground, but failed to obtain at any stage either picraconitine or methyl alcohol. The alkaloid obtained was a mixture of aconine and unaltered aconitine. \Vith pure aconitine the reaction is in... | |
 | William Dymock, C. J. H. Warden, Charles James Hislop Warden, David Hooper - 1893 - 878 páginas
...identical with the picraconitine isolated by "Wright and Luff from the roots of supposed Aconitum Napollus are formed in the first stage, while in the second...but have been unable to obtain at any stage either picruconitiue or methyl alcohol, The alkaloid extracted from the solution by ether was proved to be... | |
 | 1892 - 700 páginas
...the change. The authors have carefully studied the process of hydrolysis by heating pure aconitine with water in closed tubes at 150°, but have been...alkaloid extracted from the solution by ether was a mixture of aconine with unaltered aconitine. With pure aconitine the reaction occurs precisely in... | |
 | 1892 - 880 páginas
...the change. The authors have carefully studied the process of hydrolysis by heating pure aconitine with water in closed tubes at 150°, but have been unable to obtain at any stage either picra-aconitine ormethyl alcohol. Thealkaloid extracted from the solution by ether was a mixture of... | |
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In the second stage the picraconitine is hydrolyzed into benzoic acid, methyl alcohol and aconine, which is the final product of the change. The authors have carefully studied the process of hydrolysis by heating pure aconitine with water in closed tubes... 