Nature is an irrefutable source of inspiration for the modern man in many aspects. The observation and understanding
of nature have allowed the development of new materials, new sources of energies, new drugs etc. Specifically,
natural products provide a great contribution to the development of new agents for the treatment of infections and antitumor
agents. However, obtaining natural products directly from animals, fungi, bacteria, plants etc has been considered not
enough to attend the high demand by pharmaceutical industries. In this regard, various strategies based on biotechnological
processes or synthetic approaches have been developed. In this scenario the total synthesis can be undoubtedly a useful
and powerful tool for obtaining higher amounts of natural products and/or structural modifications thereof. Herein, we
emphasize successful examples of total synthesis of galanthamine, morphine, paclitaxel and podophyllotoxin - natural
products approved as pharmaceuticals.
Keywords: Drugs, galanthamine, morphine, natural products, paclitaxel, podophyllotoxin.
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