piperidine


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Related to piperidine: piperidine alkaloids

pi·per·i·dine

(pī-per'i-dēn),
1. a compound from which are derived phenothiazine antipsychotics such as thioridazine hydrochloride and mesoridazine besylate.
2. One of a class of alkaloids containing a piperidine (1) moiety.
References in periodicals archive ?
In their experiments, the researchers used sophisticated extraction techniques to obtain purified amounts of piperdeine and piperidine from the venom glands of both red and black imported fire ants.
Prior to the passage of the Anti-Drug Abuse Act of 1988, the equivalent language of the United States Code punished a person who "possesses any piperidine knowing, or having reasonable cause to believe, that the piperidine will be used to manufacture phencyclidine.
The metabolite has a unique structure compared to the previously reported metabolites in that it retains methylenedioxy ring and conjugated double bonds while the piperidine ring is modified to form propionic acid group.
14) Recently, research measuring the toxicity of 8 repellents to female mosquitoes suggested that another piperidine compound, A13-31220, (15) may be more toxic at lower concentrations than deet.
HALS properties like basicity, solubility, migration resistance, and thermal stability are controlled by the molecular structure, that is, the molecular weight, the linkage between the piperidine rings, and the piperidine N substituents.
It also contains a hindered amine free radical scavenger based on a substituted tetramethyl piperidine with an N-[CH.
A search of the Ready's home revealed a stash of unclassified and illegal drugs including Ketamine, cocaine, cannabis, skunk, ecstasy and piperidine.
Similar synergism was also observed in a test tunnel apparatus when DEET of another insect repellent (hydroxyethyl isobutyl piperidine carboxylate [also known as icaridin of KBR 3023]) was mixed with an organophosphate (OP; pirimiphos methyl [PM]) on mosquito nets baited with guinea pigs (13).
While patents from the 1950s to the 1980s covered a wide range of species claimed to be efficacious for the protection of nylons, it was not until the 1990s that a systematic study examined the effectiveness of "standard" antioxidants such as hindered phenols, aromatic amines, and piperidine derivatives.
REAGENTS, MATERIALS, AND ANALYTIC SAMPLES Methanol, piperidine, and imidazole were obtained from Sigma-Aldrich and used without additional purification.
Known hypersensitivity to donepezil or piperidine derivatives.