The starting materials are a benzenediacetaldehyde (a benzene ring with two aldehydes attached), and two equivalents of a phenyl alkyne. The reaction is facilitated by a Lewis acid. Intuitively, one ...

Ephedra-type alkaloids, a class of naturally occurring compounds derived from plants in the genus Ephedra, have long held ...

Synthetic alkaloids with modifications on the phenyl ring and N-group have shown ... testing to include a variety of substituted aromatic aldehydes,” explains Prof. Yuan. The team evaluated ...

Alcohol is primarily metabolized in the liver, where it is converted to acetaldehyde, a toxic compound. Significantly, acetaldehyde plays a central role in causing hangover symptoms. Excessive ...

Background: Rising use of sunscreen products has led to increased reporting of adverse reactions to sunscreens. Objective: To investigate possible photoallergic reactions in patients who ...