Page 65 - phytochemistry general program
P. 65

Me                                     -
nBut                                              Br

         +

           N

O

                                               H

                             H                          OH
                  O

                          O
Hyoscine butylbromide

                                                                                                  Uses

It is used for the treatment of gastrointestinal spasm, hypermotility, post-
               operative vomiting, spastic constipation and spasm of the urinary tract.

Pharmacology and precautions of solanaceous tropane alkaloids

      Atropine, hyoscyamine and scopolamine are anti-cholinergic agents.                          .1
They Increase heart rate (by depression of the vagus nerve) so they are                           .2
contra-indicated in patients suffering from hypertension. Also not preferably
concomitantly taken with Anti-cholinergics, sympathomimetics (ex: anti-                           .3
                                                                                                  .4
                                                                                    depressents)
Act as antispasmodic on various smooth muscles (ureter, bladder and
intestine) thus, are contra-indicated in patients with benign prostatic

                                                            hypertrophy and paralytic ileus.
                   They cause mydriasis, so contra-indicated in acute glaucoma.

                  Identification of solanaceous tropane alkaloid
                                                1- Vitali-Morine's test

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