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Topic: caffeine extraction equations?  (Read 7615 times)

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Offline rinabina

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caffeine extraction equations?
« on: June 03, 2007, 03:50:57 PM »
Hey guys have a couple quick questions.

Can anyone help me with these 2 questions? i've tried and came up with 2 equations for the first question. i wanted to make sure they were right though. i need help in writing the second one definitely though and to see if the first one is right.


For the first one, i need to show equations showing how caffeine could be extracted from an organic solvent and subsequently isolated.

The second one I need equations showing how acetaminophen might be extracted from an organic solvent such as an ether, if it were soluble.


Thanx guys if you know anything additional  :)
« Last Edit: June 03, 2007, 04:38:10 PM by rinabina »

Offline Yggdrasil

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Re: caffeine extraction equations?
« Reply #1 on: June 03, 2007, 05:46:43 PM »
Here's something to start with.  What are the chemical structures of caffeine and acetaminophen?  Looking at the structures, do you see any way to increase their solubility in water (hint: think acid/base chemistry).

Offline crasarg

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Re: caffeine extraction equations?
« Reply #2 on: June 14, 2007, 04:30:31 AM »
I see acetominophen is a phenol. Maybe using cold, dilute aq. NaOH would work since caffeine is only slightly soluble in water and amides require more extreme conditions break.

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