Liebigs Annalen der Chemie

Chiral organometallic reagents, IV. Stereoselective formation of β??silyloxy?螃窿?bromoalkyllithium compounds

RW Hoffmann, M Julius

文献索引：Hoffmann, Reinhard W.; Julius, Manfred Liebigs Annalen der Chemie, 1991 , # 8 p. 811 - 822

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被引用次数: 4

摘要

Abstract The diastereomeric carbenoids 4 have been generated by diastereoselective (84: 16) exchange of the diastereotopic bromine atoms in the dibromo compound 3 for lithium at− 120 C. The implication of the observed diastereoselectivity for the Nozaki ring-expansion method is discussed.