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Observations on the generation of organozinc carbenoids from acetals and ketals

โœ Scribed by William B. Motherwell; Donogh J.R. O'Mahony; Matthew E. Popkin

Book ID
104259497
Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
193 KB
Volume
39
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

The use of acetals and ketals as direct precursors for organozinc carbenoid chemistry is illustrated by their direct conversion to alkenes in a one pot operation. Aryl acetals can also be used as precursors for the cyclopropanation ofcyclohexene.

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The generation of carbonyl compounds fro
The generation of carbonyl compounds from acetals and ketals by iodotrichlorosilane (ITCS)
โœ Saad S. Elmorsy; M.V. Bhatt; Andrew Pelter ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 200 KB

## Cheap and readily available iodotrichlorosilane (SiCl, I NaI) readily regenerates aldehydes and ketones from cyclic and acyclic acetals and ketals, in 20-60 min at ambient temperature. The reaction is highly chemoselective as phenolic ethers and esters are not cleaved. The pathway for the proce