## Abstract Cyclization of ethyl (__E__)/(__Z__)‐[2‐(1‐cyclohexen‐1‐yl)cyclohexylidene]cyanoacetate (2) in cold concentrated sulfuric acid affords 10‐amino‐1,2,3,4,5,6,7,8‐octahydrophenanthrene‐9‐carboxylic acid (4) and 3,5,6,7,8,8a‐hexahydro‐3‐oxospiro‐[1__H__‐2‐benzopyran‐1,1′‐cyclohexane]‐4‐carb
✦ LIBER ✦
A convenient route to 9,10-dicyano-1,2,3,4,5,6,7,8-octahydrophenanthrene
✍ Scribed by V. V. Kalashnikov; L. G. Tomilova; N. S. Zefirov
- Book ID
- 111458806
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 24 KB
- Volume
- 76
- Category
- Article
- ISSN
- 1070-3632
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