𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Lewis acid-mediated [3+2] cycloaddition of allyltriisopropylsilane to N-sulfonyl aldimines

✍ Scribed by Takahiko Akiyama; Megumi Sugano; Hirotaka Kagoshima

Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
78 KB
Volume
42
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis

BF 3 β€’OEt 2 -mediated [3+2] cycloaddition of allyltriisopropylsilane to N-sulfonyl aldimine afforded silyl substituted pyrrolidines in good yields. Excellent cis selectivity was observed with aromatic aldimines.

πŸ“œ SIMILAR VOLUMES

ChemInform Abstract: Cycloadditions of A
ChemInform Abstract: Cycloadditions of Allylsilanes. Part 8. Diastereoselective Synthesis of Spirocyclopentanes by Lewis Acid Promoted (3 + 2) Cycloaddition of Allyltriisopropylsilane and 2-Alkylidenecycloalkan-1-ones.
✍ H.-J. KNOELKER; P. G. JONES; R. GRAF πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons βš– 30 KB πŸ‘ 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a β€œFull Text” option. The original article is trackable v

Lewis acid-catalyzed [4+2]type cycloaddi
Lewis acid-catalyzed [4+2]type cycloadditions of aldimines bearing Ξ±-hydrogens with 2-silyloxy-1,3-butadienes
✍ Kaori Ishimaru; Yohsuke Yamamoto; Kin-ya Akiba πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 French βš– 525 KB

were synthesized by [4+2]type cycloaddition of chiral aldimines (5) with 2silyloxy-l,3-butadienes (3) in the presence of Lewis acids. In the cycloaddition, only two 2,6-trans isomers (chelation and nonchelation products) were observed and no cis compounds were detected regardless of the Lewis acid u