Names of fundamental structures most often used in steroid nomenclature

Names of fundamental structures most often used in steroid nomenclature

Table
Names of fundamental structures most often used in steroid nomenclature
carbon atoms present (as numbered in structure 6) naturally occurring
general
classes examples shown in text
gonane 117 none gonane* (1)
estrane 118 estrogens estradiol (17f)
androstane 119 androgens androstane* (25); testosterone (17e); androstanedione (17c)
pregnane 121 gestogens and adrenal steroids progesterone (17a); cortisol (17b); aldosterone (17d); batrachotoxin (14)
cholane 124 bile acids cholic acid (10a); sodium sodium glycocholate (10b)
cholestane 127 sterols cholesterol (16d); scymnol (11a)
ergostane 128 sterols ergosterol (8); cyasterone (22)
stigmastane 129 sterols stigmasterol (7); antheridiol (12)
lanostane 127; 3032 trimethyl sterols lanosterol (16c);
22,25-oxidoholothurinogenin (13)
cardanolide 123 cardiac glycosides digitoxigenin (23)
bufanolide 124 toad poisons bufotoxin (24)
spirostan 127 sapogenins dioscin (25)
*Gonane and androstane themselves do not occur in nature.
See as table:

* * *


Universalium. 2010.

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