To understand organic chemistry it is necessary to know: • What occurs in a reaction? • Why and how chemical reaction takes place? • How a reaction can be described? through studying The following classes of organic reaction mechanisms : Reaction of Aldehydes and Ketones and ... إقراء المزيد

AROMATIC COMPOUNDS,originally named because of their fragrant properties, are unsaturated hydrocarbon ring structures that exhibit special properties, including unusual stability, due to their aromaticity. They are often represented as resonance structures containing single and double bonds. However, the bonding is stronger than expected for a conjugated ... إقراء المزيد

ALKALOIDS are a class of naturally occurring chemical compounds that mostly contain basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Some synthetic compounds of similar structure are also termed alkaloids. In addition to carbon, hydrogen and nitrogen, ... إقراء المزيد