Process for the preparation of cyclohexyl-azetidinones
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United States of America Patent
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Oct 6, 1998
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app pub date -
Jan 3, 1997
filing date -
Mar 26, 1994
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Expired
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Abstract
1. A process for the preparation of compounds of formula (I) wherein R.sub.1 is a hydroxyl protecting group ##STR1## which comprises reacting the azetidinone (II) with the homochiral (2S)-2-methoxycyclohexane (III) or the complex thereof formed with one molecule of stannic chloide. ##STR2##
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