The Condensation of Carbon Tetrachloride And Phenol Aurin
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After drying at 100 the compound when further heated melts at 218 to a red liquid.
Anal. Calcd. For CsoHwOu^CHCls: C, 77. 54; H, 4. 39; CHC1 3( 27. 85. Found: C, 77. 12, 77. 06; H, 4. 34, 4. 53; CHCU, 27. 3.
Decomposition of Aurin by Air and Alkali. Aurin can be oxidized by atmospheric oxygen in the presence of alkalies with much greater ease than has been usually assumed. Fusion is not necessary. 11 Ten g. Of aurin was dissolved in 200 cc. Of 5% sodium hy- droxide and air was passed through th...e cold solution for 72 hours. The filtered solution gave, on the addition of acetic acid, 5. 8 g. Of pure di--hydroxybenzophenone.
Isolation of Leuco-aurin from the Condensation Product. The origin of this prod- uct in the reaction mixture has been explained on p. 6 under Section 5. It is to be found in the ether extract of that fraction of the mixture which is insoluble in dil. Ammonium hydroxide. The moist ether extract is saturated with hydrogen chloride, decanted from the resulting precipitate and evaporated to dryness.
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To quickly assess the difficulty of the text, read a short excerpt:
After drying at 100 the compound when further heated melts at 218 to a red liquid.
Anal. Calcd. For CsoHwOu^CHCls: C, 77. 54; H, 4. 39; CHC1 3( 27. 85. Found: C, 77. 12, 77. 06; H, 4. 34, 4. 53; CHCU, 27. 3.
Decomposition of Aurin by Air and Alkali. Aurin can be oxidized by atmospheric oxygen in the presence of alkalies with much greater ease than has been usually assumed. Fusion is not necessary. 11 Ten g. Of aurin was dissolved in 200 cc. Of 5% sodium hy- droxide and air was passed through th...e cold solution for 72 hours. The filtered solution gave, on the addition of acetic acid, 5. 8 g. Of pure di--hydroxybenzophenone.
Isolation of Leuco-aurin from the Condensation Product. The origin of this prod- uct in the reaction mixture has been explained on p. 6 under Section 5. It is to be found in the ether extract of that fraction of the mixture which is insoluble in dil. Ammonium hydroxide. The moist ether extract is saturated with hydrogen chloride, decanted from the resulting precipitate and evaporated to dryness.
What to read after The Condensation of Carbon Tetrachloride And Phenol Aurin?
You can find similar books in the "Read Also" column, or choose other free books by Harold Robert Snow to read onlineMoreLess
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