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1-4 Addition of carbanions to α-β unsaturated carbonyl compounds in the presence of HMPA : first evidence of kinetic control.

✍ Scribed by L. Wartski; M. El Bouz; J. Seyden-Penne; W. Dumont; A. Krief


Book ID
108384797
Publisher
Elsevier Science
Year
1979
Tongue
French
Weight
224 KB
Volume
20
Category
Article
ISSN
0040-4039

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Enantioselective Copper-Catalyzed 1,4-Ad
✍ Maurus Spescha; Grety Rihs 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 German ⚖ 693 KB

The enantioselective copper-catalyzed 1,4-addition of Grignard reagents to a$-unsaturated carbonyl compounds was studied with the following Cu' compounds as catalyst precursor and 1,2 : 5,6-di-0 -isopropylidene-3thio-a -o-glucofuranose (Hsiig) as chiral ligand: CuI, iodo[bis(dibutylsulfide)]copper(I