| 摘要 |
<p>Highly effective nematicides against pine wood nematodes containing chlorinated hydroxystilbene or salts thereof (preferably, 3',4'-Dichloro-3-hydroxystilbene and 3',5'-dichloro-3-hydroxystilbene) which are prepared by synthesizing chlorinated methoxystilbenes from chlorinated benzyl chloride compounds and methoxybenzaldehydes by the Wittig-Horner reaction, performing demethylation to obtain the chlorinated hydroxystilbenes, and preparing the salts thereof by conventional methods, if necessary.</p> |
