| 摘要 |
<p>The cpd. of formula (I) is obtained in solid state by reacting beta-naphthol (II) with a halogenated cpd. of formula (III), in which X is halogen, in presence of sodium ethoxide, sodium amide, sodium emthoxide or sodium carbonate, in acetone, N,N-dimethyl formamide or methyl ethyl ketone at 40-150 deg.C, and removal of solvent by distn.</p> |
