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Highly Diastereoselective Additions to Chiral α-Keto Acetals

✍ Scribed by Akhoon, Kauser M.; Myles, David C.

Book ID
126236197
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
244 KB
Volume
62
Category
Article
ISSN
0022-3263

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📜 SIMILAR VOLUMES

Diastereoselective addition of a silylke
Diastereoselective addition of a silylketene acetal to chiral α-thioaldehydes.
✍ Rita Annunziata; Mauro Cinquini; Franco Cozzi; Pier Giorgio Cozzi 📂 Article 📅 1990 🏛 Elsevier Science 🌐 French ⚖ 197 KB

Chirala-thioaldehydes 2-6 undergo chelation or non-chelation controlled addition of silylketene acetal 1, depending on the nature of the Lewis acid catalyst and of the ligands at the stereocenter. Lewis acid (L.a.) promoted addition of silyl enolethers and silylketene acetals to aldehydes represents