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Diastereofacial Selectivity in the Cycloaddition of Nitrones to ( E )-γ-Oxygenated α,β-Unsaturated Esters

✍ Scribed by Busqué, Félix; de March, Pedro; Figueredo, Marta; Font, Josep; Monsalvatje, Montserrat; Virgili, Albert; Álvarez-Larena, Ángel; Piniella, Juan F.


Book ID
126996141
Publisher
American Chemical Society
Year
1996
Tongue
English
Weight
304 KB
Volume
61
Category
Article
ISSN
0022-3263

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1,3-Dipolar cycloadditions of cyclic nit
✍ Pedro de March; Marta Figueredo; Josep Font; Antonio Salgado 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 630 KB

The 1,3-dipolar cycloaddition of cyclic nitrones to several "t-bromo ct,~unsaturated esters and lactones has been studied. All the reactions have shown high stereoselectivity, with a predominance of the endo or exo transition state for the trans or cis dipolarophiles, respectively.