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In the present study, new heterocyclic organic ligands were synthesized using amoxil drug as a starting material through multi steps. The ligands were prepared through condensation reaction to form thiazole and imidazole derivatives containing azo or anil groups in their structures via azotization reaction and imination reaction. The new ligands of amoxil have been characterized by means of spectral (IR and 1H NMR) and thermal analyses.

Cancerous tumors are considered a serious and fatal diseases for both sexes and for all ages, even fetuses before their birth. Therefore, it has become necessary to find an alternative treatment for radiation to be safer and less dangerous than chemical treatments. Therefore, derivatives of one of the amino acids, such as tyrosine, were prepared. Tyrosine or tyrosine is one of the well-known and important amino acids for humans, and it is present in most proteins; The human body uses it to produce several types of hormones such as noradrenaline and adrenaline. In this paper, we prepared new derivatives of tyrosine represented by (four, five, six)-membered ring, then all these new tyrosine derivatives investigated by several techniques (FT.IR, H.NMR)–spectrophotometric, other physical and chemical properties, with assaying for some new created derivatives as anti-cancer.

In this review study of zetasizer technique and, using in molecular weight of compounds and large molecules, applications in most of fields like bio molecules, determination of molecular weight of organic chemistry.