| 摘要 |
<p>1,1,1-Trifluoro-2-hydroxy-5-benzyloxy compounds represented by the following formula (I) and optical isomers thereof: <CHEM> wherein X is -C IDENTICAL C-, -CH=CH-, <CHEM> group. The compounds of the present invention are R-form and S-form when X is -C IDENTICAL C- and are trans-form and cis-form both of which have respectively R-form and S-form when X is -CH=CH- or <CHEM> When X is <CHEM> the compound of the present invention is <CHEM> The compounds of the present invention are useful for asymmetric introduction of trifluoromethyl group and molecular designing of biologically active substances, ferroelectric liquid crystal compounts and so on.</p> |
