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1-Phenylpiperazine (1-PP or PP) is a simple chemical compound and drug featuring a phenyl group bound to a piperazine ring. [1] The suffix ‘-piprazole’ is sometimes used in the names of drugs to indicate they belong to this class. [2] It is a rigid analogue of amphetamine.
Piperazine is freely soluble in water and ethylene glycol, but insoluble in diethyl ether. It is a weak base with two pK b of 5.35 and 9.73 at 25 °C.; the pH of a 10% aqueous solution of piperazine is 10.8–11.8. Piperazine readily absorbs water and carbon dioxide from the air.
In organic chemistry, neighbouring group participation (NGP, also known as anchimeric assistance) has been defined by the International Union of Pure and Applied Chemistry (IUPAC) as the interaction of a reaction centre with a lone pair of electrons in an atom or the electrons present in a sigma or pi bond contained within the parent molecule but not conjugated with the reaction centre.
It is both a precursor in the synthesis of aripiprazole and one of its metabolites. [1] [2] It is unclear whether 2,3-DCPP is pharmacologically active as a serotonin receptor agonist similar to its close analogue 3-chlorophenylpiperazine (mCPP), though it has been shown to act as a partial agonist of the dopamine D 2 and D 3 receptors. [3]
N-Methylpiperazine is a common building block used in organic synthesis. [2] For example, N-methylpiperazine is used in the manufacture of various pharmaceutical drugs including cyclizine, [3] meclizine, and sildenafil. The lithium salt, lithium N-methylpiperazide, is used as a reagent in organic synthesis for protection of aryl aldehydes. [4]
Studies into other related piperazine drugs such as mCPP suggest that certain side effects such as anxiety, headache and nausea are common to all drugs of this class, and pills containing TFMPP are reported by users to produce comparatively more severe hangover effects than those containing only BZP. The drug can also cause the body to tremble ...
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It is the parent of a large class of 2,5-Diketopiperazines (2,5-DKPs) with the formula (NHCH 2 (R)C(O)) 2 (R = H, CH 3, etc.). They are ubiquitous peptide in nature. They are often found in fermentation broths and yeast cultures as well as embedded in larger more complex architectures in a variety of natural products as well as several drugs. [ 2 ]