الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
 |  | from | 173 |  |  |
| | | from | 173 | | |
Abstract
The literature survey on the mechanisms of heterocyclic reactions showed that little quantitative work have been published. However avariety of reactions which lead to the formation of heterocyclic rings were reported and several mHechanisms have been suggested.