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Norpregnadienes
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Definition
: Pregnadienes which have undergone ring contractions or are lacking carbon-18 or carbon-19.
Examples
Promegestone
Substance
CAS Registry & name
Categories
Source
Drugs
*
17,20-
((1-
methoxyethylidene)bis(oxy))-
3-
oxo-
19-
norpregna-
4,20-
diene-
21-
carboxylic acid methyl ester
0
*Norpregnadienes
Androgens.
Biol Pharm Bull 2011 Mar;34(3):318-23
ulipristal acetate
0
*Norpregnadienes
Contraceptive Agents.
Obstet Gynecol 2010 Feb;115(2 Pt 1):257-63
ELLA
CDB 4124
0
*Norpregnadienes.
Mol Cell Endocrinol 2002 Feb 25;188(1-2):111-23
CDB-
4453
0
*Norpregnadienes.
Mol Cell Endocrinol 2002 Feb 25;188(1-2):111-23
quingestanol
10592-65-1
*Norpregnadienes.
Chung Hua Fu Chan Ko Tsa Chih 1979;14(2):68
ulipristal
0
*Norpregnadienes.
Contraception 1995 Mar;51(3):215-8
buxaminol E
14155-76-1 B(9a)-
Homo-
19-
norpregna-
9(11),9a-
dien-
16-
ol, 20-
amino-
3-
(dimethylamino)-
4,4,14-
trimethyl-
, (3beta,5alpha,16alpha,20S)
*Alkaloids
*Norpregnadienes.
Bratisl Lek Listy 1990;91(4):309
RU 25055
67983-56-6
*Norpregnadienes.
Cancer Lett 1985;27(3):329
nomegestrol acetate
58652-20-3
*Megestrol
*Norpregnadienes
Antineoplastic Agents, Hormonal
Progesterone Congeners.
Arzneimittelforsch 1983;33(5):710
Me-
quingestanol
79030-51-6
*Norpregnadienes
*Megestrol Acetate
Contraceptives, Oral, Combined.
Chung Hua Fu Chan Ko Tsa Chih 1979;14(2):68
ethynerone
3124-93-4 21-
chloro-
17-
hydroxy-
19-
nor-
17 alpha-
pregna-
4,9-
dien-
20-
yn-
3-
one
*Norpregnadienes
Progesterone Congeners.
Exp Mol Pathol 30(2):279;1979; J Nat Can Inst 60(6):1351;1978
(4R)-
5,10-
seco-
19-
norpregna-
4,5-
diene-
3,10,20-
trione
60398-19-8 1H-
Cyclodec(e)indene-
6,9-
dione, 3-
acetyl-
11,12-
didehydro-
2,3,3a,4,5,5a,7,8,12,13,13a,13b-
dodecahydro-
3a-
methyl-
, (3S-
(3R*,3aR*,5aR*,10S*,13aR*,13bR*))
*Norpregnadienes.
J Steroid Biochem 8(4):307;1977
norgesterone
13563-60-5 17-
beta-
hydroxy-
19-
nor-
17-
alpha-
pregna-
5(10),20-
dien-
3-
one
*Norpregnadienes
Progesterone Congeners.
amadinone
30781-27-2 6-
chloro-
17-
acetoxy-
19-
norpregnane-
4,6-
diene-
3,20-
dione
*Norpregnadienes.
Clin Pharmacol Therap 13(2):205;1972