Tetrahedron letters

A novel synthesis of (3R, 4R)-4-acetoxy-3-[(R)-1-(t-butyldimethylsilyloxy) ethyl]-2-azetidinone, the versatile key intermediate of carbapenem synthesis, from (S)-ethyl …

Y Ito, T Kawabata, S Terashima

Index: Ito, Yoshio; Kawabata, Takeo; Terashima, Shiro Tetrahedron Letters, 1986 ,  vol. 27,  # 47  p. 5751 - 5754

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Citation Number: 31

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A highly efficient synthesis of the title compound was accomplished employing the addition of diketene to chiral imine as a key stereoselective reaction and using inexpensive ( )-ethy1 lactate as a starting material. ... A highly efficient synthesis of the title compound (2) was ...