| 摘要 |
The invention relates to the biphenyldiols of the formula (V)The corresponding racemic and enantiomerically pure triflate compounds thereof, where R<1 >and R<2 >are H, R<3 >is chlorine, and R<4 >is methoxy.In an alternate embodiment, R<1 >and R<2 >are hydrogen and R<3 >and R<4 >are C1-C4-alkoxy, fluorine, or chlorine.
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