Biomaterial Database

Preparation of 20-(hydroxymethyl)-4-methyl-4-aza-2-oxa-5 alpha-pregnan-3-one as an inhibitor of testosterone 5 alpha-reductase. 1985

P M Weintraub, and T R Blohm, and M Laughlin

20-(Hydroxymethyl)-4-methyl-4-aza-2-oxa-5 alpha-pregnan-3-one and the corresponding 3-thione were synthesized with use of 20-(hydroxymethyl)-4-methyl-4-aza-5 alpha-pregnan-3-one as the starting material. The compounds were tested in vitro for inhibition of testosterone 5 alpha-reductase and found to be weak inhibitors with Ki's in the 10(-7) range.

UI	MeSH Term	Description	Entries
D007700	Kinetics	The rate dynamics in chemical or physical systems.
D008297	Male		Males
D010088	Oxidoreductases	The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidized is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where O2 is the acceptor. (Enzyme Nomenclature, 1992, p9)	Dehydrogenases,Oxidases,Oxidoreductase,Reductases,Dehydrogenase,Oxidase,Reductase
D011278	Pregnanes	Saturated derivatives of the steroid pregnane. The 5-beta series includes PROGESTERONE and related hormones; the 5-alpha series includes forms generally excreted in the urine.
D011467	Prostate	A gland in males that surrounds the neck of the URINARY BLADDER and the URETHRA. It secretes a substance that liquefies coagulated semen. It is situated in the pelvic cavity behind the lower part of the PUBIC SYMPHYSIS, above the deep layer of the triangular ligament, and rests upon the RECTUM.	Prostates
D004791	Enzyme Inhibitors	Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction.	Enzyme Inhibitor,Inhibitor, Enzyme,Inhibitors, Enzyme
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D013260	Steroids, Heterocyclic	Steroidal compounds in which one or more carbon atoms in the steroid ring system have been substituted with non-carbon atoms.	Heterocyclic Steroids
D051381	Rats	The common name for the genus Rattus.	Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus
D058891	5-alpha Reductase Inhibitors	Drugs that inhibit 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE. They are commonly used to reduce the production of DIHYDROTESTOSTERONE.	3-Oxo-5-alpha-Steroid 4-Dehydrogenase Inhibitor,5-alpha Reductase Inhibitor,Steroid 5-alpha-Reductase Inhibitor,Testosterone 5-alpha-Reductase Inhibitor,3-Oxo-5-alpha-Steroid 4-Dehydrogenase Inhibitors,Steroid 5-alpha-Reductase Inhibitors,Testosterone 5-alpha-Reductase Inhibitors,3 Oxo 5 alpha Steroid 4 Dehydrogenase Inhibitor,3 Oxo 5 alpha Steroid 4 Dehydrogenase Inhibitors,4-Dehydrogenase Inhibitor, 3-Oxo-5-alpha-Steroid,4-Dehydrogenase Inhibitors, 3-Oxo-5-alpha-Steroid,5 alpha Reductase Inhibitor,5 alpha Reductase Inhibitors,5-alpha-Reductase Inhibitor, Steroid,5-alpha-Reductase Inhibitor, Testosterone,5-alpha-Reductase Inhibitors, Steroid,5-alpha-Reductase Inhibitors, Testosterone,Inhibitor, 3-Oxo-5-alpha-Steroid 4-Dehydrogenase,Inhibitor, 5-alpha Reductase,Inhibitor, Steroid 5-alpha-Reductase,Inhibitor, Testosterone 5-alpha-Reductase,Inhibitors, 3-Oxo-5-alpha-Steroid 4-Dehydrogenase,Inhibitors, 5-alpha Reductase,Inhibitors, Steroid 5-alpha-Reductase,Inhibitors, Testosterone 5-alpha-Reductase,Reductase Inhibitor, 5-alpha,Reductase Inhibitors, 5-alpha,Steroid 5 alpha Reductase Inhibitor,Steroid 5 alpha Reductase Inhibitors,Testosterone 5 alpha Reductase Inhibitor,Testosterone 5 alpha Reductase Inhibitors