Isocyanic acid p - chlorophenyl ester was obtained with triphosgene and p - chloroaniline as raw materials.

以对氯苯胺和三光气为原料,合成对 氯苯 异氰酸酯.

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The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroaniline . The yield is 90 %.

采用光气与对氯苯胺合成对氯苯基异氰酸酯. 收率≥90%.

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The separation ofm - chloroaniline and p - chloroaniline was carried out by countercurrent dissociation extraction ( CDE ).

逆流解离萃取通过套用萃取酸分离间氯苯 胺 及对氯苯胺.

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