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Silabenzene and silafulvene by ring contraction and expansion of cyclic silylcarbenes

โœ Scribed by Sekiguchi, Akira.; Tanikawa, Hirohide.; Ando, Wataru.

Book ID
126188154
Publisher
American Chemical Society
Year
1985
Tongue
English
Weight
927 KB
Volume
4
Category
Article
ISSN
0276-7333

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The reaction of cyclic enol ethers with
The reaction of cyclic enol ethers with arenesulfonyl azides. A new ring contraction reaction. Ring expansion and ring contraction reactions by means of diazonium betaines. II.
โœ Ronald A. Wohl ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 194 KB

We would like to report a new general ring contraction reaction according to the following scheme (eq. l(a),R = ArSO,): The enol ether la derived from a cyclic ketone is reacted with a suitable aside leading via an intermediate unstable 6'-triazoline & to the ring-contracted imidate ester 3a.