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The generation of the carbonyl compounds from acetals and ketals by iodotrichlorosilane (ITCS).

✍ Scribed by S.S. Elmorsy; M.V. Bhatt; A. Pelter


Book ID
108381527
Publisher
Elsevier Science
Year
1992
Tongue
French
Weight
57 KB
Volume
33
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES


The generation of carbonyl compounds fro
✍ Saad S. Elmorsy; M.V. Bhatt; Andrew Pelter πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 French βš– 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

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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 effectiveness of the [TiCp2(CF$O3)2] catalyst for the Sakurai reaction has been exploredfor a variety of allylic silanes reacting with orthoesters, ace&, ketals, aldehydes and ketones. The Sakurai reaction (eqs 1.2) is promoted by a variety of Lewis acid@ including TiQ, Alc13, BF3, MesSi R'