4-Aminopyridine

Chemical compound

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4-Aminopyridine (also known as fampridine) is a chemical compound with the formula C_H_N-NH_. It is a derivative of pyridine with an amino group at the 4-position. This compound is used in various applications, including as a research tool in neurophysiology and as a medication for certain neurological conditions.

Chemical properties

4-Aminopyridine is a white crystalline solid that is soluble in water and organic solvents. It is a derivative of pyridine, which is a basic heterocyclic organic compound. The presence of the amino group at the 4-position of the pyridine ring gives it unique chemical properties, including the ability to act as a potassium channel blocker.

Pharmacology

4-Aminopyridine acts as a potassium channel blocker, which prolongs the action potential in neurons. This action enhances synaptic transmission and improves neurotransmitter release. It is particularly effective in conditions where nerve conduction is impaired, such as in multiple sclerosis.

Medical uses

4-Aminopyridine is used as a medication under the name fampridine to improve walking in patients with multiple sclerosis. It is believed to work by improving conduction in demyelinated nerves. The drug is administered orally and is available in extended-release formulations to maintain therapeutic levels in the bloodstream.

Research applications

In neurophysiology, 4-aminopyridine is used as a research tool to study the properties of potassium channels and their role in action potential propagation. It is also used in studies of synaptic transmission and neurotransmitter release.

Safety and side effects

While 4-aminopyridine is beneficial in certain medical conditions, it can have side effects, including seizures, dizziness, and nausea. It is important to use this compound under medical supervision, especially in patients with a history of epilepsy or other seizure disorders.

Related pages

• Pyridine
• Potassium channel
• Multiple sclerosis
• Neurotransmitter

Gallery

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  Structural formula of 4-aminopyridine
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  Sample of 4-aminopyridine
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  4-Aminopyridine in a container

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  Chemical structure of 4-Aminopyridine
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  Sample of 4-Aminopyridine
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  4-Aminopyridine