202
7 Appendix
Table 22 (continued)
o
o
23
24
o 23 22
21 ,--_2-'-10 t-H
Me
H
5f3,14f3-Cardanolide
H
(25S)-5f3-Spirostan
27
Me
H
513,1413-Bufanolide
H
(22R)-5f3- Furostan
Unsaturated and substituted derivatives of these fundamental types are treated according to the general proceedings of organic chemical nomenclature. Several important
examples for which, in addition, regular trivial names are retained are shown below.
Trivial name
Aldosterone
Androsterone
Cholecalciferol
Cholesterol
Cholic acid
Corticosterone
Cortisol
Cortisone
Deoxycorticosterone
Ergocalciferol
Ergosterol
Estradiol-17 a
Estriol
Semisystematic name
18,II-Hemiacetal of Ilf3,21-Dihydroxy-3,20-dioxo-4-pregnen18-al
3a-Hydroxy-5a-androstan-17 -one
9,1 0-Seco-5,7, 1 O( 19 )-cholestatrien -3 13-01
5-Cholesten-3f3-01
3a,7 a,12a-Trihydroxy-5f3-cholan-24-oic acid
1113,21-Dihydroxy-4-pregnene-3,20-dione
1113,17,21-Trihydroxy-4-pregnene-3,20-dione
17,21-Dihydroxy-4-pregnene-3,11,20-trione
21-Hydroxy-4-pregnene-3,20-dione
9,1 0-Seco-5,7, 1 O( 19 ),22-ergostatetraen -3 13-01
5,7,22-Ergostatrien -3 13-01
1,3,5( 10)-Estratrien-3,17 a-diol
1,3,5( 10)-Estratriene-3,16a, 17 f3-triol