Progress in Alkaloidal Chemistry During the Year 1904
Progress in Alkaloidal Chemistry During the Year 1904
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Nitropapaverine the latter was converted into the methylsulphate -methylate, C2oH 2 o06N2\cH3SO 4 > b 3 r means of dimethylsulphate in chloroformic solution and then decomposing the quaternary methylsulphate methylate in hot concentrated aqueous solution with a strong solu- tion of potassium chloride. By substituting potassium iodide or potassium bromide for pocassium chloride the above mentioned iodomethylate and chloromethylate of o. Nitropapaverine can be ob- tained.
On oxidizing the iodomet...hylate of o. Nitropapa. Verine with hot potassium permanganate symmetrical 6-nitroveratric acid (VI) was formed.
CM On wanning the iodomethylate with potassium hydrate 6-nitro-3, 4-dimethoxy toluol (VI) separated out. From the mother liquor of the latter 6, 7-dimethoxy-N-methylisoquinoline (VII) was obtained by adding strong hydrochloric acid in which the isoquinoline deriva- tive is difficultly soluble.
The orthoamidopapaverine was prepared by reducing the o. Nitro- papaverine ia alcoholic solution witth stannous chloride dissolved in strong hydrochloric acid and precipitating the amine with excess of alkali.
What to read after Progress in Alkaloidal Chemistry During the Year 1904?
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To quickly assess the difficulty of the text, read a short excerpt:
Nitropapaverine the latter was converted into the methylsulphate -methylate, C2oH 2 o06N2\cH3SO 4 > b 3 r means of dimethylsulphate in chloroformic solution and then decomposing the quaternary methylsulphate methylate in hot concentrated aqueous solution with a strong solu- tion of potassium chloride. By substituting potassium iodide or potassium bromide for pocassium chloride the above mentioned iodomethylate and chloromethylate of o. Nitropapaverine can be ob- tained.
On oxidizing the iodomet...hylate of o. Nitropapa. Verine with hot potassium permanganate symmetrical 6-nitroveratric acid (VI) was formed.
CM On wanning the iodomethylate with potassium hydrate 6-nitro-3, 4-dimethoxy toluol (VI) separated out. From the mother liquor of the latter 6, 7-dimethoxy-N-methylisoquinoline (VII) was obtained by adding strong hydrochloric acid in which the isoquinoline deriva- tive is difficultly soluble.
The orthoamidopapaverine was prepared by reducing the o. Nitro- papaverine ia alcoholic solution witth stannous chloride dissolved in strong hydrochloric acid and precipitating the amine with excess of alkali.
What to read after Progress in Alkaloidal Chemistry During the Year 1904?
You can find similar books in the "Read Also" column, or choose other free books by Harry Mann Gordin to read onlineMoreLess
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