Tetrahedron letters

Chiral propionate enolate equivalent for stereoselective additions to symmetrical ketones

PW Ambler, SG Davies

Index: Ambler, Philip W.; Davies, Stephen G. Tetrahedron Letters, 1985 , vol. 26, # 17 p. 2129 - 2130

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Citation Number: 15

Abstract

The copper enolate derived from (η 5 -C 5 H 5 )Fe(CO)(PPh 3 )COCH 2 CH 3 reacts stereoselectively with symmetrical ketones to generate RR,SS-α-methyl-β-hydroxy acyl complexes which on decomplexation liberate the corresponding β-hydroxy acids. ... Steroids I. Alkylation of β-ketoesters via their Cu(II) enolates in aqueous media. Application of the synthesis of C-18 functionalized steroids via the torgov approach. ... Steroids I. Alkylation of β-ketoesters via their Cu(II) enolates in ...

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