| 简介 |
The invention relates to a method for producing cis-cyclopent-4-ene-1, 3-diol and cis-cyclopent-4-ene-1, 3-dialkanoates by selective cis-1, 2-reduction of 4-hydroxycyclopent-2-enone (I) by means of a hydroboron (II), in the presence of substoichiometric quantities of a trivalent rare earth metal compound (III), to form cyclopent-4-ene-1, 3-diol (IV) which can then be optionally reacted with an acylation agent (V) to form cis-cyclopent-4-ene-1, 3-dialkanoates (VI), in order to simplify the reprocessing and without intermediate isolation. |
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