Pronunciation: [pˈɪɹɐzˌɒliːn] (IPA) 
The word "pyrazoline" is spelled with 4 syllables - py·ra·zo·line. The IPA phonetic transcription of this word is /paɪrəzəʊliːn/. The first syllable "py" is pronounced with a long "i" sound, followed by "ra" with a short "a" sound, "zo" with a short "o" sound, and "line" with a long "i" sound. Pyrazoline is a type of organic compound with a five-membered ring structure containing three carbon atoms and two nitrogen atoms.
Pyrazoline refers to a class of organic compounds that are cyclic in structure and consist of a five-membered ring containing four carbon atoms and one nitrogen atom. Specifically, a pyrazoline molecule has two adjacent carbon atoms connected by a double bond and a nitrogen atom connected to one of the adjacent carbon atoms. The remaining two carbon atoms are attached to the adjacent carbon atoms. This chemical structure gives pyrazoline compounds distinctive properties and diverse applications.
Pyrazolines are commonly synthesized through organic reactions involving the condensation of hydrazines and α,β-unsaturated carbonyl compounds. These reactions result in the formation of the characteristic five-membered ring, which imparts significant stability and reactivity to the compounds.
Pyrazoline compounds have gained significant attention due to their versatile applications in the field of medicinal chemistry, agrochemicals, and material science. They exhibit a plethora of biological activities, such as antimicrobial, antifungal, antioxidant, and anticancer properties. These properties make them promising candidates for drug development and agricultural applications.
Furthermore, pyrazolines have been utilized as building blocks for the synthesis of various functional materials, including dyes, pigments, and polymers. Their unique molecular structure allows for modification and functionalization, offering a wide range of possibilities for designing novel compounds with tailored properties.
Overall, pyrazolines are important chemical compounds that possess distinct structural and reactive properties, making them valuable tools for diverse applications in pharmaceuticals, agriculture, and materials science.
Antipyrine.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "pyrazoline" has its etymology rooted in chemistry. It is derived from the Greek word "pyra" meaning "fire" and the root "zōon" meaning "animal". The ending "-ine" is a common suffix used in chemistry to denote a specific organic compound. Therefore, "pyrazoline" literally translates to "fire animal compound" and is used to denote a class of heterocyclic organic compounds containing a five-membered ring consisting of three carbon atoms and two nitrogen atoms.
