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Reduction of 7-chlorobicyclo[3.2.0]hept-2-en-6-ones catalysed by 3α, 20β-hydroxysteroiddehydrogenase

✍ Scribed by H. Geoff Davies; Thomas C.C. Gartenmann; Jeff Leaver; Stanley M. Roberts; Michael K. Turner


Publisher
Elsevier Science
Year
1986
Tongue
French
Weight
110 KB
Volume
27
Category
Article
ISSN
0040-4039

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✦ Synopsis


The enzymes are stirred together with Eupergit-C (Dumas Chemicals) in 1M phosphate buffer (pH 7.5) over 96 h at 4OC. 10. 7endo-Chloro-7exo-methylbicyclo[3.2.0]hept-2~en-6-one was reduced by HSDH to give optically pure-&do-alcohol.


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✍ Keitaro Ishii; Terry A. Lyle; W. Bernd Schweizer; Bruno Frei 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 German ⚖ 280 KB

## Abstract On ^1^n,π\*‐excitation, the title compound **2** undergoes a photoinduced intramolecular [4 + 2]‐cycloaddition affording the tetracyclic enol ether **3** as the only product in 79% yield. The assigned structure of **3** was confirmed by its conversion to the __p__‐nitrobenzoate **6** wh