The C Saccharinic Acids I the Resoulution of Dl 23 Dioxybutyric Acid Into the
The C Saccharinic Acids I the Resoulution of Dl 23 Dioxybutyric Acid Into the
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There was obtained 0. 4 g. Of vacuum-dried salt; rotation, [a\ +2. 47, i. E. , 0. 4 g. Of salt in 9. 6 g. Water gav^e a +0. 05 in a half -decimeter tube.
The Phenylhydrazid. A mixture of 1. 75 g. Of acid, 2 cc. Of phenyl- hydrazine and 2 cc. Of ethyl acetate gave, in the usual way 3. 15 g. Of the crude phenylhydrazid. This was recrystallized from 18 cc. Of ethyl acetate and gave one g. Of phenylhydrazid with the melting point of 102- 103. This was recrystallized from 3. 7 cc. Of ethyl acetate a...nd gave 0. 75 g. Of crystals with a melting point of 102-103. The specific rotation of this compound was found to be +1. 71, i. E. , 0. 54 g. In 12. 06 g. Of water gave a +0. 07 in a one dcm. Tube.
The Free Acid from the Non-crystallizable Brucine Salt. The mother liquor from the 4 crops of crystalline brucine salts was subjected to com- plete vacuum distillation at 60 and gave a residue which weighed 130 g. As mentioned above. The brucine was set free in the usual way and T 5- 2 5 g- f a light brown ether-soluble oil was obtained.
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To quickly assess the difficulty of the text, read a short excerpt:
There was obtained 0. 4 g. Of vacuum-dried salt; rotation, [a\ +2. 47, i. E. , 0. 4 g. Of salt in 9. 6 g. Water gav^e a +0. 05 in a half -decimeter tube.
The Phenylhydrazid. A mixture of 1. 75 g. Of acid, 2 cc. Of phenyl- hydrazine and 2 cc. Of ethyl acetate gave, in the usual way 3. 15 g. Of the crude phenylhydrazid. This was recrystallized from 18 cc. Of ethyl acetate and gave one g. Of phenylhydrazid with the melting point of 102- 103. This was recrystallized from 3. 7 cc. Of ethyl acetate a...nd gave 0. 75 g. Of crystals with a melting point of 102-103. The specific rotation of this compound was found to be +1. 71, i. E. , 0. 54 g. In 12. 06 g. Of water gave a +0. 07 in a one dcm. Tube.
The Free Acid from the Non-crystallizable Brucine Salt. The mother liquor from the 4 crops of crystalline brucine salts was subjected to com- plete vacuum distillation at 60 and gave a residue which weighed 130 g. As mentioned above. The brucine was set free in the usual way and T 5- 2 5 g- f a light brown ether-soluble oil was obtained.
What to read after The C Saccharinic Acids I the Resoulution of Dl 23 Dioxybutyric Acid Into the?
You can find similar books in the "Read Also" column, or choose other free books by George Elmer Miller to read onlineMoreLess
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