Page 25 - phytochemistry general program
P. 25

Name of   Structure                         Examples
     Nucleus
                         O           H           Caffeine,
    Purine    HN                     N    Theophylline,
(Xanthine)                                 Theobromine
              ON                  N
    Indole                 H                Ergot alks.,
                                        Physostigmine,
                              N         Rauwolfia alks.,
                              H
                                            Vinica alks.,
                                             Yohimbine.

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