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ChemInform Abstract: Metallations and Reactions with Electrophiles of 4-Isopropyl-5,5-diphenyloxazolidin-2-one (DIOZ) with N-Allyl and N-Propargyl Substituents: Chiral Homoenolate Reagents.

✍ Scribed by Christoph Gaul; Dieter Seebach

Publisher: John Wiley and Sons
Year: 2010
Weight: 40 KB
Volume: 33
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200237029

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✍ Christoph Gaul; Dieter Seebach 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 German ⚖ 213 KB

N-Allyl, N-cinnamyl, and N-(3-trimethylsilyl)propargyl derivatives of 4-isopropyl-5,5-diphenyloxazolidin-2-one (DIOZ) are prepared by lithiation of the parent DIOZ (with BuLi in THF) and reaction with the corresponding bromides (Scheme 1). Lithiation in the same solvent, with deprotonation by BuLi o

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Regio-and Stereochemistry on the Electrophilic Trapping of Allylic Samariums Generated by Reductive Cleavage of Allylic Ethers with (C 5 Me 5 ) 2 Sm(thf )n. -The reductive cleavage of the C-O bond of allylic benzyl ethers with Sm(C 5 Me 5 ) 2 (thf) 2 leads to substituted allylic Sm complex intermed

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