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Authors of matron literature tend to themselves be women of similar age to their heroines, but are not exclusively so. Works by authors such as Larry McMurtry also are part of the genre. [9] Many matron lit authors have developed popular series of books revolving around the same characters, like Joan Medlicott's Ladies of Covington.
PiHKAL: A Chemical Love Story is a book by Alexander Shulgin and Ann Shulgin published in 1991. [1] [2] The subject of the work is psychoactive phenethylamine chemical derivatives, notably those that act as psychedelics and/or empathogen-entactogens. The main title, PiHKAL, is an acronym that stands for "Phenethylamines I Have Known and Loved".
A nitrogen bound to both a good electrofuge and a good nucleofuge is known as a nitrenoid (for its resemblance to a nitrene). [2] Nitrenes lack a full octet of electrons are thus highly electrophilic; nitrenoids exhibit analogous behavior and are often good substrates for electrophilic amination reactions.
TIHKAL: The Continuation is a 1997 book written by Alexander Shulgin and Ann Shulgin about a family of psychoactive drugs known as tryptamines. [ 1 ] [ 2 ] A sequel to PIHKAL: A Chemical Love Story , TIHKAL is an acronym that stands for "Tryptamines I Have Known and Loved".
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.
A certified personal trainer shares the 10 best physical activities and exercises for women over 50 to live longer.
Noradrenergic and specific serotonergic antidepressants (NaSSAs) are a class of psychiatric drugs used primarily as antidepressants. [1] They act by antagonizing the α 2 -adrenergic receptor and certain serotonin receptors such as 5-HT 2A and 5-HT 2C , [ 1 ] but also 5-HT 3 , [ 1 ] 5-HT 6 , and/or 5-HT 7 in some cases.
Additionally, women over 50 are at higher risk for osteoporosis and bone density loss, and vitamin D can help mitigate this risk, he says. With this in mind, he recommends the vitamin D3 softgel ...