What can a chemist learn from nature's macrocycles?--a brief, conceptual view

Area of Science:

• Natural Product Chemistry
• Medicinal Chemistry
• Synthetic Biology

Background:

• Macrocyclic natural products exhibit significant biological activities, with many serving as pharmaceuticals.
• The vast chemical diversity of these compounds offers potential for novel drug design.
• Understanding nature's strategies for generating molecular complexity is crucial for innovation.

Purpose of the Study:

• To analyze the structural diversity of naturally occurring macrocycles.
• To review the biosynthetic origins and strategies for diversity generation in macrocycles.
• To inspire synthetic chemists by highlighting nature's molecular design principles.

Main Methods:

• Database analysis of naturally occurring macrocycles for ring size, molecular weight, and substructural motifs.
• Review of biosynthetic pathways, including non-ribosomal peptide synthetases, terpene cyclases, and polyketide cyclases.
• Examination of integrated synthesis and biotechnology approaches.

Main Results:

• Macrocyclic natural products display immense chemical diversity in ring size and substructures.
• Biosynthetic origins reveal nature's sophisticated strategies for generating molecular complexity.
• Analysis highlights common motifs and structural similarities across diverse macrocycles.

Conclusions:

• Nature's macrocycles provide a rich source of inspiration for drug discovery.
• Synthetic chemists can benefit from emulating nature's biosynthetic strategies.
• Integrated synthesis and biotechnology offer promising avenues for exploring macrocyclic chemical space.