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ChemInform Abstract: Diastereofacially Selective Enolate Claisen Rearrangements of (4-7-. eta.4-(1-Acyloxy-2,4,6-octatrienyl))tricarbonyliron Complexes.

✍ Scribed by W. R. ROUSH; A. B. WORKS

Book ID: 101848935
Publisher: John Wiley and Sons
Year: 2010
Weight: 30 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199718217

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✦ Synopsis

Diastereofacially Selective Enolate Claisen Rearrangements of (4-7-. eta.4-(1-Acyloxy-2,4,6-octatrienyl))tricarbonyliron Complexes.

-Under the optimized conditions shown, the esters (I) and (II) rearrange with very high diastereofacial selectivity. C-C bond formation occurs anti to the Fe(CO)3 group. Best results are obtained when the reagents and solvents are highly purified immediately before use. -(ROUSH, W. R.; WORKS,

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Diastereofacially selective enolate Claisen rearrangements of [4−7-η4-(1-acyloxy-2,4,6-octatrienyl)]tricarbonyliron complexes

✍ William R. Roush; Andrea B. Works 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 243 KB

The enolate Claisen rearrangements of l-4 exhibit very high diastereofacial selectivity with the developing C-C bond forming anti to the -Fe( CO ) 3 substituent.