Bioglycerol as an Alternative Raw Material for Basic Organic Synthesis

2017 ◽  
Vol 90 (11) ◽  
pp. 1727-1737 ◽  
Author(s):  
A. S. Lyadov ◽  
S. N. Khadzhiev
2021 ◽  
Vol 4 ◽  
pp. 27-36
Author(s):  
V.N., Nazarov ◽  
D.V. Miroshnichenko ◽  
A.A. Ivakh ◽  
B.V. Uspensky

AMINO-1,2,4-TRIAZOLES AS A RAW MATERIAL FOR THE FINE ORGANIC SYNTHESIS INDUSTRY (REVIEW) © V.N. Nazarov, PhD in technical sciences, D.V. Miroshnichenko, Doctor of Technical Sciences, A.A. Ivakh, B.V. Uspensky (NTU "Kharkov Polytechnic Institute", 61002, Kharkov, Kirpicheva st., 2, Ukraine) The review summarizes the information on the industrial use of 3- and 4-amino-1,2,4-triazoles - the basic raw material for the industry of fine organic synthesis. 3 and 4-substituted amino-1,2,4-triazoles have been used for a long time in the production of agricultural products, pharmaceuticals, dyes, high-energy materials, and anti-corrosion additives. Less well known is their use for the production of analytical reagents, flotation reagents, as well as for the production of heat-resistant polymers, products with fluorescent properties and ionic liquids, which are used in applied sciences, biotechnology, energy, and chemistry. The purpose of this communication is to consider in detail the participation of 3- and 4-amino-1,2,4- triazoles in the production and use of various agricultural and medical products. Descriptions and schemes of chemical reactions of existing production methods for the synthesis of 3- and 4-amino-1,2,4-triazoles, as well as some methods of obtaining these substances in laboratory conditions, are given. The two main areas of use of these amines and their derivatives: agriculture and medicine have been highlighted. It is shown that one of the most well-known branches of widespread use of 3- and 4- amino-1,2,4-triazoles in agriculture is the production of plant protection products. On the basis of these substances, the mass production of various insecticides, fungicides, plant growth regulators, retardants (means for suppressing the growth of stems and shoots), inhibitors of nitrification of nitrogen fertilizers is organized. The use of these amines in medicine consists in the production of known drugs on their basis, such as furazonal (has a pronounced antimicrobial effect, is effective against Staphylococcus aureus, dysentery bacteria, salmonellosis), thiotriazoline and cardiotril (cardiological drugs with anti-ischemic and membrane stabilizing effects) (platelet growth factor antagonist). Keywords: amino-1,2,4-triazoles, production, raw materials for synthesis, pesticides, pharmaceuticals. Corresponding author V.N. Nazarov, е-mail: р[email protected]


2021 ◽  
Author(s):  
Xiaotong Huang ◽  
Chunli Yang ◽  
Yingxin Chen ◽  
Zebin Zhu ◽  
Lihua Zhou

Para-nitrophenol (PNP) is an important raw material for organic synthesis and its extensive use has produced a series of environmental problems. Here, we develop a highly sensitive and selective fluorescent...


Author(s):  
Oksana I. Sycheva ◽  
◽  
Yuri A. Pisarenko ◽  
Ivan P. Semenov ◽  
◽  
...  

A promising direction in processes of general organic synthesis is use of bioethanol as a raw material for production of ethylacetate. The article is devoted to the development and modeling of the reaction-rectification process to produce ethyl acetate by dehydrogenation of ethanol, which will allow combining in one apparatus the chemical conversion and separation of the resulting reaction mixture by rectification, reducing the cost of carrying out the process and increasing the main parameters of the process. As part of the work, the collection and processing of physicochemical information about the components of the reaction mixture was carried out, a mathematical model of the process was developed, based on which the development and modeling of the technological scheme were carried out, the parameters and indicators of the process were determined


1970 ◽  
Vol 12 ◽  
pp. 60-65 ◽  
Author(s):  
Shigeru Tsutsumi ◽  
Membo Ryang ◽  
Noboru Sonoda

Author(s):  
E. A. Okhlopkova ◽  
L. A. Serafimov ◽  
A. V. Frolkova ◽  
P. P. Tsekin

Epichlorohydrin is an important product of the basic organic synthesis. One promising direction of epichlorohydrin manufacturing is the liquid-phase epoxidation of allyl chloride with an aqueous solution of hydrogen peroxide in an organic solvent, methanol, in the presence of a heterogeneous catalyst, a titanium-containing zeolite. The multicomponent system of epichlorohydrin production according to this method contains allyl chloride, methanol, water, epichlorohydrin, 3-chloro-1,2-propanediol, 3-chloro-1-methoxypropanol-2 and hydrogen peroxide. In this work the thermodynamic topological analysis of the phase diagram of this multicomponent system of epichlorohydrin production was performed. On the basis of this study a principal technological scheme of separation of the studied system containing five distillation columns and a Florentine vessel was proposed.


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