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Optically active α-acetoxycarboxylic acids and α-hydroxycarboxylic acids by enzyme-aided syntheses

✍ Scribed by Prof. Dr. Günter E. Jeromin; Michael Albertz

Book ID
105354075
Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
272 KB
Volume
334
Category
Article
ISSN
1615-4150

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Convenient synthesis of optically active
Convenient synthesis of optically active α-hydroxyphosphinic acids
✍ Juexiao Cai; Zhenghong Zhou; Guofeng Zhao; Chuchi Tang 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 93 KB

## Abstract The reaction of O‐menthyl phenylphosphonite **__1__** with aromatic aldehydes in the presence of Me~3~SiCl provided the O‐menthyl α‐hydroxyphosphinates **__2__**. Acidic hydrolysis of **__2__** gave the corresponding α‐hydroxyphosphinic acids **__3__**. The (+)‐enantiomer of **__3a__**