Preparation of chiral cis-5-amino-2-cyclopenten-1-ol derivatives
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United States of America Patent
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Nov 12, 2002
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app pub date -
Aug 7, 2001
filing date -
Feb 25, 1999
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Expired
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Abstract
As process for the preparation of a cyclic carbamate of formula (1), comprises treatment of a cyclopentene of formula (2) wherein R.sup.1 is H or an organic group of up to 20 C atoms and R.sup.2 is C.sub.1-10 alkyl, aralkyl or aryl, with a source of halogen and a base. ##STR1##
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