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pablos
(Newbee)
10-26-04 17:50
No 537935
hydroxyvanilline

5 grams bromovanilline were refluxed with 25 mg Cu and 9 grams Naoh to obtain hydroxyvanilline.
after 8 hours the mixture was acidified with Hcl until Ph 2.
non polar solvent was added (ether). Mixture was just a little bit shaked.

3layers forms:Up layer is yellow transparent(Ether and hydroxyvanilline?)
Middle layer is orange (aqueus no organic).
On bottom layer there is a mass of precipitate (unreacted bromovanilline?).
Please help.

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		pablos (Newbee) 10-26-04 17:50 No 537935				hydroxyvanilline
						5 grams bromovanilline were refluxed with 25 mg Cu and 9 grams Naoh to obtain hydroxyvanilline. after 8 hours the mixture was acidified with Hcl until Ph 2. non polar solvent was added (ether). Mixture was just a little bit shaked. 3layers forms:Up layer is yellow transparent(Ether and hydroxyvanilline?) Middle layer is orange (aqueus no organic). On bottom layer there is a mass of precipitate (unreacted bromovanilline?). Please help.

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