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Total Synthesis of Premithramycinone H and Related Anthrapyran Antibiotics

✍ Scribed by Karsten Krohn; Jürgen Vitz

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
224 KB
Volume
2004
Category
Article
ISSN
1434-193X

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✍ Karsten Krohn; Hoan Trang Tran-Thien; Ishtiaq Ahmed 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 129 KB 👁 1 views

## Abstract A new general route to the anthrapyran antibiotics is presented, which allows the attachment of various branched side chains. A key step is the Baker–Venkataraman rearrangement of the propionate **9** to the diketone **10**. Acid‐catalyzed cyclization gives the ethyl‐branched anthrapyra