SCHEDULED MAINTENANCE
4-Acetoxyazetidin-2-one (2) reacted with salicylaldehyde and 2-hydroxyphenyl ketones to give tricyclic hydroxy-amine products, and the reaction with ethyl 2-hydroxyphenylacetate was employed in the synthesis of a 2,3-benzo-fused ethoxycarbonyl 1-oxa analogue of the cephems.
M. M. Campbell, K. H. Nelson and A. F. Cameron, J. Chem. Soc., Chem. Commun., 1979, 532 DOI: 10.1039/C39790000532
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