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Home Uzbekistan Technologies New Materials and Methods to Utilize Waste Products from Chemical Plants

New Materials and Methods to Utilize Waste Products from Chemical Plants


There has been developed the technology of extraction of benzoic acid (Ia) and by-products from oxidation of toluene (benzyl-benzoate (Ie) and tricyclo-[6,4,01,8, 02,7]-dodecapentaene- 1,4,6,8,10-dione-3,12 (II)) from waste products of Caprolactam production.

The methods of obtaining methyl- (Ic), ethyl- (Id), and benzyl- (Ie) benzoates; ethyl-m-nitrobenzoate (Ig), sodium benzoate (Ib); 2-phenyl-(IIIa), 2-(3-nitrophenyl)- (IIIb), and 2-(3-amino - phenyl)-imidazolines(IIIc); N,N-bis-[3-(2-imida zolinyl phenyl] urea (IV) based on this waste material has been developed. New medicinal form of benzylbenzoate – “Benzopek” for cure rash and mange has been developed.

Innovative Aspect and Main Advantages

Experiments with medicines to cure pyroplasmic diseases on cattle, using the substances that were obtained from the waste materials of organic synthesis plants have been carried out. The toxicity of “Benzopek” has been investigated on animals.

Areas of Application

Medicine, agriculture, organic synthesis, chemical industry.


where R =-H (а), -Na (b),
-CH3(с), -C2H5 (d),
-СН2C6H5 (e) when
Х=-Н; R=-H(f),
-C2H5 (g) when



where Х = -Н (а),
-NO2(b), -NH2 (с)


Fig. 1. The structures of the obtained substances.

Stage of Development

Development stage – laboratory tested.

Contact Details

National University of Uzbekistan, Chemical Department
Contact person: Prof. A.K.Tashmukhamedova
Address: Vuzgorodok 100174 Tashkent, Uzbekistan
Tel.: (998 71) 246 6358
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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