Chemistry:Acetomepregenol
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Short description: Chemical compound
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| Trade names | Diamol |
| Other names | ACM; Mepregenol diacetate; Diamol; Megestrol diacetate; Megestrol 3β,17α-diacetate; 3β,17α-Diacetoxy-6-methylpregna-4,6-dien-20-one; 6-Methylpregna-4,6-dien-3β,17α-diol-20-one diacetate |
| Drug class | Progestogen; Progestin; Progestogen ester |
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| Formula | C26H36O5 |
| Molar mass | 428.569 g·mol−1 |
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Acetomepregenol (ACM), also known as mepregenol diacetate and sold under the brand name Diamol, is a progestin medication which is used in Russia for the treatment of gynecological conditions and as a method of birth control in combination with an estrogen.[1][2][3][4][5][6][7] It has also been studied in the treatment of threatened abortion.[3] It has been used in veterinary medicine as well.[8][9][10] It has been marketed since at least 1981.[8][9][10]
Pharmacology
Based on its chemical structure, namely the lack of a C3 ketone, it is probable that acetomepregenol is a prodrug of megestrol acetate (the 3-keto analogue).[11][12]
Chemistry
Acetomepregenol, also known as megestrol 3β,17α-diacetate, as well as 3β-dihydro-6-dehydro-6-methyl-17α-hydroxyprogesterone diacetate or as 3β,17α-diacetoxy-6-methylpregna-4,6-dien-20-one, is a synthetic pregnane steroid and a derivative of progesterone and 17α-hydroxyprogesterone.[3][4][7] It is very close to megestrol acetate (6-dehydro-6-methyl-17α-acetoxyprogesterone) in structure, except that there is a hydroxyl group with an acetate ester attached at the C3 position instead of a ketone.[3][4][7] A closely related medication is cymegesolate (also known as megestrol 3β-cypionate 17α-acetate), which, in contrast, has not been marketed.[13][14]
References
- ↑ "[Current trends in the development of oral contraception]" (in ru). Farmakologiia I Toksikologiia 48 (4): 119–122. 1985. PMID 3899717.
- ↑ "[Hormonal properties of new 17 alpha-hydroxyprogesterone derivatives]" (in ru). Problemy Endokrinologii 33 (3): 60–63. 1987. PMID 3116530.
- ↑ 3.0 3.1 3.2 3.3 "[The use of acetomepegrenol in the therapy of threatened abortion]" (in ru). Akusherstvo I Ginekologiia (9): 37–40. September 1990. PMID 2278305.
- ↑ 4.0 4.1 4.2 "Synthesis and biological activity of 17α-acetoxy-3β-phenylpropionyloxy-6-methylpregna-4,6-dien-20-one". Pharmaceutical Chemistry Journal 34 (3): 113–114. March 2000. doi:10.1007/BF02524577. ISSN 1573-9031. "Note that 3,17-diacetoxy-6-methylpregna-4,6-dien-20-one (1b), a structural analog of compound 1a, is certified in Russia under the trade name acetomepregnol and recommended for therapeutic purposes in gynecological practice and as a contraceptive preparation in combination with estrogens [4].".
- ↑ "Eightieth Anniversary of the Drug Chemistry Center/All-Russian Pharmaceutical Chemistry Scientific Research Institute". Pharmaceutical Chemistry Journal 34 (12): 677–680. December 2000. doi:10.1023/A:1010416205068. ISSN 1573-9031.
- ↑ "Investigation of the gestagen activity of 17α-acetoxy-3β-butanoyloxy-6-methylpregna-4, 6-dien-20-one.". Pharmaceutical Chemistry Journal 39 (7): 358–360. July 2005. doi:10.1007/s11094-005-0154-4. "Gestagens are widely used in medicine as drugs for the treatment of breast and uterine tumors, endometriosis, uterine bleeding, and premenstrual syndrome, as a means of hormonal therapy and maintenance of pregnancy, and as contraceptives [1, 2]. In clinics, drugs of this group are represented by acetomepregenol (AMP), medroxyprogesterone acetate (MPA), levonorgestrel, progesterone, didrogesterone, etc. [1].".
- ↑ 7.0 7.1 7.2 "Synthesis and biological activity of synthetic 17α-hydroxyprogesterone derivatives". Pharmaceutical Chemistry Journal 46 (4): 203–206. July 2012. doi:10.1007/s11094-012-0761-9. ISSN 1573-9031.
- ↑ 8.0 8.1 "Action of diacetate mepregnol (diamol) on estrus induction in sheep in physiological anestrus.". Reguliatsiia i intensifikatsiia protsessov razmnozheniia sel'skokhoziaistvennykh zhivotnykh: trudy Mezhdunarodnogo simpoziuma, sostoiavshegosia v Sofii, mai 1980 godina/[red. koll.: K. Bratanov (otvet. red.)... i dr.]. 1981.
- ↑ 9.0 9.1 "Testing diamol on sheep on a fattening farm.". Biulleten'nauchnykh Rabot-Vsesoiuznyi Nauchno-issledovatel'skii Institut Zhivotnovodstva. 1981.
- ↑ 10.0 10.1 "[Use of mepregenol diacetate (Diamol), a gestagen preparation, for estrus synchronization in caracul sheep during mating season]" (in ru). Archiv Fur Experimentelle Veterinarmedizin 36 (1): 159–162. January 1982. PMID 7201304.
- ↑ Ian S. Fraser (1998). Estrogens and Progestogens in Clinical Practice. Churchill Livingstone. p. 281. ISBN 978-0-443-04706-0. https://books.google.com/books?id=eO5qAAAAMAAJ. "Progestational activity depends on the presence of a 3-keto group in ring A of the steroid skeleton. Most of the progestogens used today do indeed carry such a group in their original molecules. However, the 3-keto group is initially missing in the case of desogestrel and norgestimate. They are prodrugs which undergo metabolic conversion to active 3-keto derivatives in the body."
- ↑ "Structure-activity relationships of synthetic progestins in a yeast-based in vitro androgen bioassay". The Journal of Steroid Biochemistry and Molecular Biology 110 (1–2): 39–47. May 2008. doi:10.1016/j.jsbmb.2007.10.008. PMID 18395441. "Prodrugs (lack 3-keto): Ethylestrenol, Lynestrenol, Ethynodiol, Allylestrenol, Norgestimate".
- ↑ "Research activities in the field of oral contraceptives in the People's Republic of China". Acta Obstetricia et Gynecologica Scandinavica. Supplement 105: 51–60. 1982. doi:10.3109/00016348209155319. PMID 6952745.
- ↑ "Antifertility Effect of a Long-Acting Progestin (3-Cyclopentyl Propionate of Megestrol Acetate): Prematurity of the Endometrium and Accompanying Changes of Uteroglobin and Progesterone in Uterine Fluid". Proteins and Steroids in Early Pregnancy. 1982. pp. 335–342. doi:10.1007/978-3-642-67890-5_22. ISBN 978-3-642-67892-9.
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