1.By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道合成抗溃疡药丙谷胺的改进艺。
2.Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.
甲苯二异(TDI)是异化合物中用最广泛的品种之一,业生产主要采用胺光化法。
3.A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.
本文报告了308例苯、甲苯、二甲苯及混合苯作业人的健康状况调查结果。
4.Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯乙烷及氢氧化钠反,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
5.Citral was synthesized by catalytical rearrangement of dehydrolinalool in toluene solution with the present of molybdenyl acetylacetonate, benzoic acid and dimethyl sulfoxide (DMSO).
6.The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite,for example, number of exchange times on the benzoylation of toluene were studied.
并考察了HZ-1沸石交换次数等制备条件和催化剂用量对甲苯的苯甲酰化反的影响。
7.The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.
8.Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.