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Synthesis of Δ3a,5a-Bicyclo[3.2.0]heptene and Δ4a,6a-Bicyclo[4.2.0]octene

✍ Scribed by Prof. Dr. W. Kirmse; Dipl.-Chem. K. H. Pook

Publisher
John Wiley and Sons
Year
1966
Tongue
English
Weight
123 KB
Volume
5
Category
Article
ISSN
0044-8249

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✦ Synopsis

diameter afforded two fractions with specific optical rotations [a]:& = +4.3 and -2.5 O . After a second passage the rotations were [a]:& = +7.5 ' and -5 '' (1 % in CHCI3).

📜 SIMILAR VOLUMES

Gold-Catalyzed Synthesis of Bicyclo[3.2.
Gold-Catalyzed Synthesis of Bicyclo[3.2.0]heptenes via a Formal [3+2]/[2+2]-Annulation of Allylsilane with 4-Methoxybut-2-yn-1-ols
✍ Chun-Yao Yang; Chiou-Dong Wang; Shu-Fan Tian; Rai-Shung Liu 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 214 KB

## Abstract This work reports the novel gold‐catalyzed [3+2]/[2+2]‐annulation of allylsilane with 4‐methoxybut‐2‐yn‐1‐ols that yields highly strained bicyclo[3.2.0]heptene products efficiently and stereoselectively.