88585-58-4Relevant academic research and scientific papers
Process for the preparation of penems
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, (2008/06/13)
A process for preparing 2-methyl substituted penems useful as antibiotics agent and/or as intermediates thereof, by reacting an appropriate 1-imido-3,4-disubstituted azetidinone derivative with a trivalent organophosphorus compound in an inert solvent at a temperature of from 110° to 150° C. for a period of from 2 hours to a few days.
Process for the preparation of penem derivatives
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, (2008/06/13)
A process for the preparation of compounds of formula (I) STR1 wherein R1 is hydrogen or an organic group; R2 is hydrogen or a carboxy protecting group; and Y is a group-S-heterocyclic, acyloxy, alkoxy, alkylthio, pyridyl, which grou
