Noretynodrel
File:Noretynodrel.png | |
File:Noretinodrel3D.png | |
Systematic (IUPAC) name | |
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(8S,9S,13S,14S,17S)-17-ethynyl-17-hydroxy-13-methyl-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
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Identifiers | |
CAS Number | 68-23-5 |
ATC code | G03FA09 (WHO) |
PubChem | CID: 6231 |
ChemSpider | 5995 |
UNII | 88181ACA0M |
ChEMBL | CHEMBL1387 |
Synonyms | Noretynodrel; (17β)-17-ethynyl-17-hydroxyestr-5(10)-en-3-one; 17α-ethinyl-5(10)-19-nortestosterone; 5(10)-norethisterone; NSC-15432 |
Chemical data | |
Formula | C20H26O2 |
Molecular mass | 298.419 g/mol |
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Noretynodrel (INN), or norethynodrel (USAN, BAN), also known as 17α-ethinyl-δ5,10-19-nortestosterone or as 5(10)-norethisterone, is a steroidal progestin.[1] It was introduced in 1957 in Enovid, a combination formulation of noretynodrel and mestranol, for the treatment of gynecological and menstrual disorders.[2] A few years later, in May 1960, Enovid was also approved as the first oral contraceptive.[2][3] In addition to its progestogenic effects, noretynodrel, unlike most progestins but similarly to etynodiol diacetate, also has some estrogenic properties.[4] It has little or no androgenic action.[5][4][2] In accordance, noretynodrel has not been found to virilize female fetuses, in contrast to most other testosterone and 19-nortestosterone progestins such as ethisterone, norethisterone, and norethisterone acetate.[6]
References
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- Alkynes
- Hormonal contraception
- Progestogens
- Steroids
- Synthetic estrogens
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