Toluenesulfonyl compounds with general formula CH3C6H4S(O2)R” widely used to block amino groups in the course of syntheses of drugs and other biologically active compounds.
A metallic element of atomic number 30 and atomic weight 65.38. It is a necessary trace element in the diet, forming an essential part of many enzymes, and playing an important role in protein synthesis and in cell division. Zinc deficiency is associated with ANEMIA, short stature, HYPOGONADISM, impaired WOUND HEALING, and geophagia. It is known by the symbol Zn.