Fosfonaatgebaseerde

Fosfonaatgebaseerde refers to compounds that contain a phosphonate functional group. A phosphonate is an organophosphorus compound with the general formula R-PO(OR')2 where R is an organic group and OR' are alkoxy groups. The phosphonate group itself is characterized by a phosphorus atom double-bonded to one oxygen atom and single-bonded to two other oxygen atoms, and one carbon atom. This phosphorus-carbon bond is a key feature distinguishing phosphonates from phosphate esters, which have a phosphorus-oxygen bond instead.

These compounds are found in various applications due to their chelating, scale inhibiting, and flame retardant properties. For instance, phosphonates are widely used in water treatment to prevent the formation of mineral scale in industrial systems like cooling towers and boilers. They achieve this by interfering with the crystallization process of common scale-forming minerals such as calcium carbonate and calcium sulfate.

In addition to water treatment, some phosphonates serve as scale and corrosion inhibitors in oilfield operations. Their ability to bind metal ions makes them useful in detergents and cleaning agents, where they can sequester hard water ions. Certain phosphonate derivatives also exhibit biological activity and are used as pharmaceuticals, for example, in the treatment of osteoporosis. The synthesis of phosphonates often involves reactions like the Michaelis-Arbuzov reaction.