Tetrahedron letters

Two-and four-carbon homologation of aldehyde by AgClO 4-catalyzed addition of alkoxyalkenylzirconocene chloride

H Maeta, K Suzuki

Index: Maeta, Hideki; Suzuki, Keisuke Tetrahedron Letters, 1993 , vol. 34, # 2 p. 341 - 344

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Citation Number: 41

Abstract

Abstract Two-and four-carbon homologation of aldehyde is described, which is based on the AgClO 4-catalyzed addition of zirconcene complexes, derived from hydrozirconation of 1- ethoxyethyne (1) and (Z)-1-methoxy-1-buten-3-yne (2) with Cp 2 Zr (H) Cl, followed by acidic hydrolysis.