Trimetiloltiomochevina mis asetat – suvni 25 va 50°c haroratli sistemada eruvchanligi



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TRIMETILOLTIOMOCHEVINA

UDC 541.123.3.
SOLUBILITY IN THE SYSTEM TRIMETHYLOLTHIOUREA - COPPER ACETATE - WATER AT 25 AND 50 °C.


Ravshan U. Makhmudov, A.O. Institute of Chemical Sciences named after A.B.Bekturov
Senior Researcher
Khayatulla Isakov, Andijan State University
Professor of the Department of Chemistry, Doctor of Technical Sciences
Nodira Kh Abdurakhimova, Andijan State University
Assistant of the Department of Chemistry
Sultan Usmanov, A.O. Institute of Chemical Sciences named after A.B.Bekturov
head of the laboratory, doctor of technical sciences, professor
Bakhrom Kh Kucharov, Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan
head of the laboratory, doctor of technical sciences

DOI: https://doi.org/10.55475/jcgtm/vol1.iss1.2022.15




Abstract Solubility in the HOH2CNCSN(CH2OH)2-Cu(CH3COO)2-H2O system was studied by the isothermal method at temperatures of 25 and 50°C. An isothermal diagram of solubility at 25 and 50°C was constructed, on which the crystallization fields of HOH2CNCSN(CH2OH)2, Сu(CH3COO)2 of the new compound and the compound of the composition HOH2CNCSN(CH2OH)2•Cu(CH3COO)2•2H2O are demarcated. The compound was isolated from the expected region of crystallization and identified by chemical and physicochemical analysis methods.


Key words: Isotherm, solubility, system, stimulant, IR spectrum, derivatogram, individuality, complex, composition, analysis.


Introduction. An important problem in the chemistry of coordination compounds at the present stage of its development is the study of various properties of drugs synthesized from physiologically active substances - derivatives of amides and thioamides with micro and macrometal ions, including the synthesis, study of the structure and properties of complex compounds [1]. This is due to the great possibilities of their practical use in various sectors of the national economy. The study of coordination compounds is advisable not only to expand the areas of their practical application, but also to solve the fundamental problems of chemical science [2].
Therefore, the search for the synthesis of new complex compounds with biologically active molecules is very relevant [3].



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