The Vespiary
The Hive => Tryptamine Chemistry => Topic started by: Mastermind on August 13, 2000, 07:41:00 AM
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According to a number of chemistry books acetaldehyde phenylhydrazone can't be converted into indole by the Fisher method. I found this patent that converts this starting material into indole using a high temperature catalytic process (aluminium oxide at 320-330 degrees C). The patent number is 3,790,596.