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Improved synthesis of 24-epibrassinolide from ergosterol

✍ Scribed by McMorris, Trevor C.; Patil, Prakash A.


Book ID
121440999
Publisher
American Chemical Society
Year
1993
Tongue
English
Weight
262 KB
Volume
58
Category
Article
ISSN
0022-3263

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Synthesis of tritium labelled 24-epibras
✍ A. Kolbe; V. Marquardt; G. Adam 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 French ⚖ 252 KB

## Abstract Deuterium and tritium 5,7,7‐tris‐labelled 24‐epibrassinolide were prepared by base catalyzed exchange reaction using 24‐epicastasterone tetraacetate 1 or bis‐isopropylidenedioxy‐24‐epicastasterone 8 and labelled water. Baeyer‐Villiger oxidation of the obtained labelled 6‐ketones 2 and 3