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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

✍ Scribed by Chun-Yao Yang; Chiou-Dong Wang; Shu-Fan Tian; Rai-Shung Liu


Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
214 KB
Volume
352
Category
Article
ISSN
1615-4150

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✦ Synopsis


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.


πŸ“œ SIMILAR VOLUMES


Synthesis of Ξ”3a,5a-Bicyclo[3.2.0]hepten
✍ Prof. Dr. W. Kirmse; Dipl.-Chem. K. H. Pook πŸ“‚ Article πŸ“… 1966 πŸ› John Wiley and Sons 🌐 English βš– 123 KB πŸ‘ 1 views

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).