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Studien über Amygdalin, IV: Synthese des natürlichenl-Amygdalins

✍ Scribed by Zemplén, Géza ;Kunz, Alfons


Publisher
Wiley (John Wiley & Sons)
Year
1924
Weight
208 KB
Volume
57
Category
Article
ISSN
0365-9631

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Zur Synthese des Ecdysons. IV. Mitteilun
✍ U. Kerb; G. Schulz; P. Hocks; R. Wiechert; A. Furlenmeier; A. Fürst; A. Langeman 📂 Article 📅 1966 🏛 John Wiley and Sons 🌐 German ⚖ 369 KB

The synthesis of the tetracyclic skeleton of ecdysone with correct stereochemistry and substitution is described. 22,25-Didehydroxy-ecdysone and methyl (20S)-2/3,3/3dihydroxy-6-oxo-5~-pregn-7-ene-20-carboxylate have been prepared. The latter is a key intermediate in the synthesis of ecdysone. ## Ha