4-(2-Phenyleth-1-ynyl)benzaldehyde (CAS 57341-98-7)

4-(2-Phenyleth-1-ynyl)benzaldehyde, known as 4-PEBA, is a synthetic organic compound that has found extensive use in scientific applications for many years. Belonging to the aromatic aldehyde class, it possesses a benzene ring and a carbon-oxygen double bond. This colorless crystalline solid emits a delightful sweet almond-like scent and exhibits solubility in polar organic solvents like acetone, ethanol, and methanol. In scientific research, 4-(2-Phenyleth-1-ynyl)benzaldehyde has been widely applied. It serves as a substrate for synthesizing diverse heterocyclic compounds, acts as a starting material for polymer synthesis, and acts as a reagent for the production of various organic compounds. Additionally, it functions as a model compound for investigating aldehyde reactivity. Although the complete mechanism of action of 4-(2-Phenyleth-1-ynyl)benzaldehyde remains elusive, it is believed to act as an electrophile. Through this characteristic, it engages in reactions with nucleophilic compounds like amines and alcohols, forming covalent bonds. Moreover, it is considered a Lewis acid, capable of reacting with electron-rich compounds to form adducts.