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ChemInform Abstract: 2-Alkynylcyclopent-2-enols from 2-Alkynylcyclohex-2-enones via 1- Alkynyl-7-oxabicyclo(4.1.0)heptan-2-ones.

โœ Scribed by B. SANDER; S. ANDRESEN; S. REICHOW; K. DUBOIS; W. C. AGOSTA; P. MARGARETHA


Book ID
112039470
Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
27
Category
Article
ISSN
0931-7597

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2-Alkynylcyclopent-2-enols from 2-Alkyny
โœ Birgit Sander; Sven Andresen; Stefan Reichow; Katia Dubois; William C. Agosta; P ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 404 KB

## Abstract 2โ€Alkynylcyclohexโ€2โ€enones 1aโ€“c and 2aโ€“c react with H~2~O~2~/NaOH in MeOH to afford 1โ€alkynylโ€7โ€oxabicyclo[4.1.0]heptanโ€2โ€ones 3aโ€“c and 4aโ€“c, respectively. The 3โ€unsubstituted bicyclic epoxy ketones 3a, 3b, and 4a, 4b react further with H~2~O~2~/NaOH, undergoing ring contraction and (fo