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Since α,β-unsaturated compounds are electrophiles and alkylating agents, many α,β-unsaturated carbonyl compounds are toxic. The endogenous scavenger compound glutathione naturally protects from toxic electrophiles in the body. Some drugs (amifostine, N-acetylcysteine) containing thiol groups may protect from such harmful alkylation.
Many electrophiles are chiral and optically stable. Typically chiral electrophiles are also optically pure. One such reagent is the fructose-derived organocatalyst used in the Shi epoxidation. [11] The catalyst can accomplish highly enantioselective epoxidations of trans-disubstituted and trisubstituted alkenes.
An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
Clomifene successfully induced ovulation in subfertile women and on February 1, 1967, it was approved in the US for the treatment of ovulation dysfunction in women who were trying to conceive. [5] Toxicological issues prevented long term use of clomifene and further drug development for other potential applications such as breast cancer ...
Compared with certain other L-type calcium channel blockers (for example those of the phenylalkylamine class such as verapamil) that have significant action at the heart, the dihydropyridine calcium channel blockers lower blood pressure mainly by relaxing the smooth muscle of the blood vessel walls. [3]
Polypharmacy is most commonly defined as the use of five or more medications daily by an individual. [6] However, the definition of polypharmacy is still debated and can vary from two to 11 concurrent medications. [6] Any drug: Cannabis: Amp joint [7] Any drug: Nicotine: Cooler [5] Any β-Carboline containing plant (e.g. Banisteriopsis caapi or ...
"In the 60s, the skin tends to become drier, thinner and more delicate due to decreased natural oil production and a decline in collagen and elastin," said Dr. Hannah Kopelman, host of the podcast ...
Erythropoiesis-stimulating agents (ESA) are medications which stimulate the bone marrow to make red blood cells. [1] They are used to treat anemia due to end stage kidney disease, chemotherapy, major surgery, or certain treatments in HIV/AIDS.