Tetrahedron p. 3667 - 3676 (1984)
Update date:2022-08-05
Topics:
Haebich, D.
Hartwig, W.
A convergent approach to the construction of the 3-hydroxy-oxacephems 1, valuable intermediates for the synthesis of 3'-nor-1-oxacephems, is presented.The key step utilizes the Lewis acid catalyzed stereoselective ring-opening of the oxazoline 2 by an app
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