chlorophenyl的意思|示意

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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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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Objective To study improved synthetic method of 1 - [ ( 4 - chlorophenyl ) phenylmethyl ] - piperazine, the intermediate of cetirizine hydrochloride.

目的探讨西替利嗪的中间体1-犤 ( 4- 氯苯基 ) 苯甲基 犦 - 哌嗪的合成方法的改进.

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