Process for preparing polyprenols
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United States of America Patent
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Nov 9, 1999
Grant Date -
N/A
app pub date -
Apr 27, 1998
filing date -
Apr 25, 1997
priority date (Note) -
Expired
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Abstract
A process for the preparation of a polyprenol represented by formula (1): ##STR1## where Y and Z individually represent a hydrogen atom or are coupled together to form a carbon-carbon bond; R represents a hydrogen atom or a protective group for a hydroxyl group, and n is 0 or an integer not less than 1, by reacting an organic complex of an alkali metal with a compound represented by formula (2): ##STR2## where either V represents a halogen atom, while W and X are coupled together to form a carbon-carbon bond, or X represents a halogen atom, while V and W are coupled together to form a carbon-carbon bond; A represents a protective group for a hydroxyl group, and Y, Z and n are as defined above.
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