Tetrahedron letters

A photochemical route to carbapenems from pyrazolidin-3-ones. Formal synthesis of PS-5

JD White, SG Toske

Index: White, James D.; Toske, Steven G. Tetrahedron Letters, 1993 , vol. 34, # 2 p. 207 - 210

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Citation Number: 12

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. ... Photochemical ring contraction of a cis disubstituted pyrazolidin-3-one, prepared by hydrazinolysis of an α, β-unsaturated δ-lactone, gave the corresponding azetidinone which has been converted previously to the carbapenem antibiotic PS-5. ... Photochemical ring contraction of a 4, ...