Norsteroids
Encyclopedia
Norsteroids are a derivative of a steroid
that have elements removed from a side chain
or ring.
Examples include:
Steroid
A steroid is a type of organic compound that contains a characteristic arrangement of four cycloalkane rings that are joined to each other. Examples of steroids include the dietary fat cholesterol, the sex hormones estradiol and testosterone, and the anti-inflammatory drug dexamethasone.The core...
that have elements removed from a side chain
Side chain
In organic chemistry and biochemistry, a side chain is a chemical group that is attached to a core part of the molecule called "main chain" or backbone. The placeholder R is often used as a generic placeholder for alkyl group side chains in chemical structure diagrams. To indicate other non-carbon...
or ring.
Examples include:
- Norpregnene (based upon a pregnene)
- desogestrelDesogestrelDesogestrel is a molecule used in hormonal contraceptives.-Benefits:Third-generation oral contraceptives are suitable for use in patients with diabetes or lipid disorders because they have minimal impact on blood glucose levels and the lipid profile...
- ethylestrenolEthylestrenolEthylestrenol is an anabolic steroid with some progesterone-like activity, and little androgenic activity. It is a nandrolone derivative and lacks the 3-keto functional group. It was approved in 1964 for testosterone deficiency in male patients....
- ethynodiol diacetateEthynodiol diacetateEthynodiol diacetate is a molecule used in hormonal contraceptives....
- ethinyl estradiol
- gestrinoneGestrinoneGestrinone is a synthetic steroid hormone that acts as an anti-progestin and also has some androgenic activity. It is marketed under the names Dimetriose, Dimetrose, and Nemestran, as a treatment for endometriosis. Gestrinone is available in many countries, but not in the USA...
- levonorgestrelLevonorgestrelLevonorgestrel is a second generation synthetic progestogen used as an active ingredient in some hormonal contraceptives.-Chemistry:...
- norethindrone
- norgestrelNorgestrelNorgestrel is a progestin used in hormonal contraceptives. Norgestrel is a mixture of two stereoisomers, dextro-norgestrel and levo-norgestrel . Only levonorgestrel is biologically active...
- desogestrel
- Norpregnatriene (based upon a pregnatriene)
- quinestrolQuinestrolQuinestrol is synthetic estrogen used in hormone replacement therapy, and occasionally to treat breast cancer and prostate cancer....
- quinestrol
- 19-norprogesterone (based upon a progesteroneProgesteroneProgesterone also known as P4 is a C-21 steroid hormone involved in the female menstrual cycle, pregnancy and embryogenesis of humans and other species...
)- nomegestrol acetate
- 19-nortestosterone (based upon a testosteroneTestosteroneTestosterone is a steroid hormone from the androgen group and is found in mammals, reptiles, birds, and other vertebrates. In mammals, testosterone is primarily secreted in the testes of males and the ovaries of females, although small amounts are also secreted by the adrenal glands...
)- norethisterone acetate