misynthetic homolog of ergonovine prepared from lysergic & 2-aminobutanol, used as an oxytocic but more active & longer acting than ergonovine. -Methergine
Methylergonovine maleate
possess oxytocic properties but used with caffeine for the treatment of migraine headache
ERGOTAMINE TARTRATE
a serotonin antagonist employed in the prophylaxis of vascular headache.
METHYSERGIDE MALEATE –
does not occur in nature but prepared by semisynthesis. It is the most active & most specific psychotomimetic agent.
LSD or Lysergic Acid Diethylamide
PILOCARPUS ON
jaborandi
VERATRUM VIRIDE
American or green hellebore
PILOCARPUS SN
Pilocarpus jaborandi
VERATRUM VIRIDE
Veratrum viride
PILOCARPUS Fam
Rutaceae
VERATRUM VIRIDE
Liliaceae
consists of esters of the steroidal bases (alkamines) with organic acids . Cevadine, germidine, germitrine,neogermitrine, neoprotoveratrine, protoveratrineveratridine
GROUP I ALKALOIDS FOUND IN VERATRUM
glucosides of the alkamines pseudojervine, veratrosine
GROUP II –
germine, jervine, rubijervine, veratramine
GROUP III
The alkaloid in this group does not contain heterocyclic nitrogen atoms.
ALKALOIDAL AMINES
Hordeum vulgare
hordinine
Ephedra distachya
EPHEDRINE
– Lophophora williamsii
mescaline –
Catha edulis
cathinone
– Colchicum autumnale
colchicine
EPHEDRA cn
ma huang