Die Isomerisierung von 5-Methyl-19-nor-k
✍
H. Aebli; C. A. Grob; E. Schumacher
📂
Article
📅
1958
🏛
John Wiley and Sons
🌐
German
⚖ 818 KB
## Abstract Dehydration of 5‐hydroxy cholesterol derivatives is attended by C–10 to C–5 methyl migration (__Westphalen__‐__Lettré__ rearrangement) only if a β‐substituent is present at C–6. In the absence of such a substituent dehydration and dehydrochlorination of 5‐hydroxy and 5‐chloro derivative