How do you make acetals?

How do you make acetals? Acetals are geminal-diether derivatives of aldehydes or ketones, formed by reaction with two equivalents (or an excess amount) of an alcohol and elimination of water. How do you prepare for hemiacetal? Mechanism for Hemiacetal and Acetal Formation Protonation of the carbonyl. Nucleophilic attack by the Read more…

Is Cyclononatetraene aromatic?

Is Cyclononatetraene aromatic? Cyclononatetraenyl anion is a 10π aromatic system. Two isomers of the cyclononatetraenyl anion are known: the trans,cis,cis,cis isomer (“Pac-Man”-shaped) and the all-cis isomer (a convex enneagon). What is non aromatic compound? Non Aromatic particles are each non-cyclic, non-planar, or do not hold a comprehensive conjugated π system Read more…