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Synthetic Sterols. III. 1 Isomers of 1-Ethyl-2-methyl-7-methoxy-1,2,3,4,9,10,11,12- octahydrophenanthrene-2-carboxylic Acid

✍ Scribed by Hunter, James H.; Hogg, John A.


Book ID
120490893
Publisher
American Chemical Society
Year
1949
Tongue
English
Weight
476 KB
Volume
71
Category
Article
ISSN
0002-7863

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✍ Wilamowski, Jaroslaw ;Krasodomski, Wojciech ;Nowak, Barbara ;Sepioł, Janusz J. 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 389 KB

## 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