What is "methiodide"

n. (context organic chemistry English) Any of a class of compounds, of general formula R₂C(CH₃)I, formed by the reaction of methyl iodide with an aldehyde or ketone

In organic chemistry, a methiodide is a chemical derivative produced by the reaction of a compound with methyl iodide. Methiodides may be formed through the methylation of amines:

Methiodides are generally prepared to alter chemical or pharmacological properties. Examples include:

• Cocaine methiodide, a charged cocaine analog which cannot pass the blood brain barrier and enter the brain
• Bicuculline methiodide, a water-soluble form of bicuculline