Azetidinone compound and process for preparation thereof

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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540 6, 540 50, 540 71, 540 92, 540350, 546141, C07D22700, C07D41706, C07D41306, C07D27908

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054420555

ABSTRACT:
There is disclosed an azetidinone compound of the formula [I]: ##STR1## wherein Ring B is a benzene ring which may have substituent(s), R.sup.1 is a hydroxy-substituted lower alkyl group which may have substituent(s), X is oxygen atom and the like, Y is oxygen atom and the like, and Z is a methylene group which may have substituent(s), which is useful as a synthetic intermediate of the 1.beta.-methylcarbapenem-type antibacterial agent.

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