Optically active 1-5-disubstituted-2,4-o-isopropylidene-2,4-dihydroxypentane and a process for producing the same
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United States of America Patent
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Jul 12, 1994
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N/A
app pub date -
Jun 4, 1993
filing date -
Jun 10, 1992
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Abstract
A novel optically active erythro-1-alkanoyloxy-2,4-O-isopropylidene-2,4-dihydroxy-5-substituted pentane expressed by the formula ##STR1## wherein R.sup.1 represents a halogen atom or cyano group and R.sup.2 represents an alkyl group of 1 to 6 carbon atoms, and a process for producing the above compound are provided, the compound being preferably usable as an intermediate for preparing a HMG-CoA reductase inhibitor and the process being practiced under mild conditions and with a high yield.
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