Catalytic nitration of toluene occurs by use of nitric acid in the presence of bentonite metal nitrates with useful para selectivities,up to a para to ortho ratio 1.0.

 
  • 在皂土硝酸鹽催化下,甲苯能被濃硝酸對位選擇性硝化,對鄰硝化產(chǎn)物比率達1.0以上。
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