Question 9


Caffeine (1), a mild stimulant, is present in an analgesic tablet with acetaminophen (2), an analgesic, anti-inflammatory agent.   If the tablet is dissolved in diethyl ether, how would you remove caffeine?


quiz1_cpd9.gif (1531 bytes) quiz1_cpd10.gif (1358 bytes)
Caffeine (1) Acetominophen (2)
  1. Extract with 1M NaHCO3.
  2. Extract with saturated aqueous NaCl.
  3. Extract with 1M NaOH.
  4. Extract with 1M HCl.
Organic Web Chem University of Alberta