From Handwiki - Reading time: 5 min| Clinical data | |
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| Trade names | Ortho Dienestrol, Dienoestrol, Dienoestrol Ortho, Sexadien, Cycladiene, Denestrolin, Dienol, Dinovex, Follormon, Oestrodiene, Synestrol |
| Other names | Dienoestrol; p-[(E,E)-1-Ethylidene-2-(p-hydroxyphenyl)-2-butenyl]phenol; 3,4-Di(para-hydroxyphenyl)-2,4-hexadiene |
| AHFS/Drugs.com | Micromedex Detailed Consumer Information |
| Drug class | Nonsteroidal estrogen |
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| Formula | C18H18O2 |
| Molar mass | 266.340 g·mol−1 |
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Dienestrol (INN, USAN) (brand names Dienoestrol, Denestrolin, Dienol and many others[lower-alpha 1]), also known as dienoestrol (BAN), is a synthetic nonsteroidal estrogen medication of the stilbestrol group which is or was used to treat menopausal symptoms in the United States and Europe.[1][2][3][4] It has been studied for use by rectal administration in the treatment of prostate cancer in men as well.[5] The medication was introduced in the U.S. in 1947 by Schering as Synestrol and in France in 1948 as Cycladiene.[4] Dienestrol is a close analogue of diethylstilbestrol.[6] It has approximately 223% and 404% of the affinity of estradiol at the ERα and ERβ, respectively.[7]
Dienestrol diacetate (brand names Faragynol, Gynocyrol, others) also exists and has been used medically.[2]
Dienestrol (unspecified) - CAS 84-17-3
E,E-Dienestrol - CAS 13029-44-2
Z,Z-Dienestrol - CAS 35495-11-5