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13-Asymmetric induction in the aldol reactions of α-methylene-β-alkoxy aldehydes

✍ Scribed by Ian Paterson; Shelley Bower; Richard D. Tillyer

Publisher
Elsevier Science
Year
1993
Tongue
French
Weight
331 KB
Volume
34
Category
Article
ISSN
0040-4039

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📜 SIMILAR VOLUMES

Lewis acid promoted aldol additions of α
Lewis acid promoted aldol additions of α-thiosilylketeneacetals to α-alkoxy aldehydes: diastereoselective synthesis of syn-α-methylene-β-hydroxy-∂-alkoxy esters.
✍ Anna Bernardi; Silvia Cardani; Cesare Gennari; Giovanni Poli; Carlo Scolastico 📂 Article 📅 1985 🏛 Elsevier Science 🌐 French ⚖ 190 KB

MgBr mediated addition of to A'and Methyl &-methylthio propionate silylketene acetal o(,p-alkoxy aldehydes is highly 3,4 syn-selective (18:l). syn-d-methylene$-hydroxy-s-alkoxy esters (6) and (8) are synthesized. We recently reported that I butyIP-dimethylamino propionate, a synthetic equivalent of