The synthesis ofp - Phenylenediamine was summarized and its route of industrialisation was discussed.

归纳了对苯二胺的各种制备方法,并讨论了其工业化的优劣.

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The urine samples were collected at 7∶00,11∶00 and 15∶00, and were assayed by modified Aldridge ? s method ( pyridine - p - phenylenediamine mixture ) .

分别于7时 、 11时 和15时收集班前、班中和班末尿样.

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Synthesis of o phenylenediamine from o nitroaniline by catalytic hydrogenation at lower pressure was studied.

以邻硝基苯胺为原料,采用低压催化加氢还原技术合成邻苯二胺.

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The fuberidazole was prepared by reaction of O - phenylenediamine with furfural at the presence of CTMABas catalyst.

以邻苯二胺和糠醛为原料,以十六甲基三烷基溴化铵(CTMAB)为催化剂合成了麦穗宁.

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Novel controlled releasing polythiourea microcapsules were prepared from terephthaloyl diisothiocyanate and o - phenylenediamine by interfacial polycondensation.

以对苯二甲酰异硫氰酸酯和邻 苯二胺 为原料通过界面缩聚法合成了聚硫脲缓释微胶囊.

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Developments in antiaging agents ofp phenylenediamine preparation derivatives are reviewed with 32 references.

介绍和评述了合成对苯二胺类防老剂的方法及所用催化体系.参考文献32篇.

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