The synthesis of chloroanthracene and related compounds

Improvement of novel organic semiconductors with enhanced execution in organic thin film transistors (OTFT) is a one of the major challenges for many researchers. One approach is toward the development of natural atoms or polymers with a π-conjugated (hetero) aromatic backbone that are known to be transporting charge and connect effectively with light. These frameworks can go about as semiconductors in opto-electronic gadgets like inorganic materials. On the other hand, organic chemistry offers for customizing functional properties of materials by means of adjustments of the subatomic or monomeric units, thereby providing a scope for potential outcomes toward the manufacture of certain gadgets. In this thesis, the primary aspect is to synthesize organic semiconductors. Initially, the experiments were focused mainly in reducing 1,4-napthaquinone using various solvents to improve the overall yield of the product, i.e., 1,4-dihyroxynapthalene and also to convert the final compound into a more stable 1,4-dimethoxynapthalene by methylation reaction. This thesis is also involved in developing a method to purity 6,11-dihydroxy naphthacene-5,12-dione after Friedel Craft acylation reaction using soxhlet extraction process. Lastly, the synthesis of tetracholroanthracene (TCA) through hexachloroanthracene (HCA) intermediate from 1,4- dihydroxyanthraquinone was investigated and the successful synthesis of the intermediate was confirmed by NMR, but the second step toward to final product requires more investigation