How Biotin can be synthesized?

Biotin, also known as vitamin B7, can be synthesized through both natural and chemical methods. In nature, it is produced by certain bacteria, fungi, and plants through a series of enzymatic reactions involving various precursors such as pimelic acid and 4-aminobutyric acid. Chemically, biotin can be synthesized through multi-step organic reactions that typically involve the construction of its bicyclic structure and the addition of functional groups. Additionally, some industrial processes utilize fermentation to produce biotin using specific microbial strains.