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STUDY OF COMPOUNDS OBTAINED ON THE BASIS OF REACTION WITH
ALDEHYDE GROUP OF GOSSYPOL
Markaboyeva Dilnoza Muhammad kizi
Student of Jizzakh Polytechnic Institute
Khakberdiyev Shukhrat Mahramovich
Associate Professor of Jizzakh Polytechnic Institute
E-mail:
Abstract
:
This article provides a comprehensive overview of gossypol derivatives, emphasizing
their synthesis, structural features, and therapeutic potential. It serves as a foundation for further
exploration and development of these compounds in medicinal chemistry and drug discovery.
Key words:
Gossypol, polyphenol,
Schiff base, pigment, yellow, cotton, acetone, solvent, solubility.
Gossypol is a natural polyphenolic compound found in cotton plants (genus
Gossypium
). It is known
for its aldehyde groups, which are reactive and can participate in various chemical reactions. The
study of compounds derived from reactions involving the aldehyde groups of gossypol is of
significant interest due to its diverse biological activities, including antitumor, antiviral, and
contraceptive properties. Below is an overview of the types of reactions and compounds that can be
obtained based on the reactivity of the aldehyde groups in gossypol:
Schiff Base Formation
Gossypol’s aldehyde groups can react with primary amines to form Schiff bases (imines). This
reaction is widely used to create derivatives with potential biological activities.
Example: Reaction with amino acids, peptides, or hydrazides.
Applications: Schiff base derivatives of gossypol have been studied for their anticancer and
antimicrobial properties.
Reduction of Aldehyde Groups
The aldehyde groups in gossypol can be reduced to alcohols using reducing agents like sodium
borohydride (NaBH₄) or hydrogenation.
Product: Gossypol is converted to gossypol diol.
Applications: Reduced gossypol derivatives may exhibit altered biological activities and reduced
toxicity.
Condensation Reactions
Gossypol can undergo condensation reactions with compounds like urea, thiourea, or
guanidine to form cyclic derivatives.
Example: Formation of gossypol-urea or gossypol-thiourea adducts.
Applications: These derivatives are explored for their potential as antiviral or antiparasitic
agents.
Complexation with Metal Ions
The aldehyde and hydroxyl groups of gossypol can coordinate with metal ions (e.g., Cu²⁺,
Fe³⁺, Zn²⁺) to form metal complexes.
Applications: Metal complexes of gossypol are studied for their enhanced antioxidant,
anticancer, and antimicrobial activities.
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Reaction with Thiols
Gossypol can react with thiol-containing compounds (e.g., cysteine, glutathione) to form thioacetal
or thioketal derivatives.
Applications: These derivatives may have improved solubility and reduced toxicity, making them
suitable for drug development.
Oxidation of Aldehyde Groups
The aldehyde groups of gossypol can be oxidized to carboxylic acids using oxidizing agents like
potassium permanganate (KMnO₄) or hydrogen peroxide (H₂O₂).
Product: Gossypol dicarboxylic acid.
Applications: Oxidized derivatives may have altered biological properties and improved
pharmacokinetics.
Formation of Heterocyclic Compounds
Gossypol can react with compounds like hydrazines or hydroxylamines to form heterocyclic
structures (e.g., pyrazoles, oxazoles).
Applications: These heterocyclic derivatives are investigated for their potential as enzyme inhibitors
or anticancer agents.
Polymerization and Crosslinking
Gossypol's aldehyde groups can participate in polymerization reactions or crosslinking with other
polymers.
Applications: Used in the development of biomaterials, drug delivery systems, or coatings.
Derivatization for Analytical Purposes
Gossypol derivatives are often synthesized for analytical purposes, such as improving detection or
quantification in biological samples.
Example: Derivatization with fluorescent or chromogenic reagents.
Biological and Pharmacological Significance
The modification of gossypol's aldehyde groups can significantly alter its biological activity,
toxicity, and pharmacokinetic properties.
Studies focus on enhancing its therapeutic potential while minimizing side effects, particularly in
cancer therapy and male contraception.
Challenges and Future Directions
Toxicity: Gossypol derivatives must be carefully designed to reduce toxicity while retaining
biological activity.
Solubility: Many gossypol derivatives have poor solubility, which limits their bioavailability.
Structure-Activity Relationship (SAR): Further research is needed to understand how specific
modifications to the aldehyde groups affect gossypol’s biological activity.
In summary, the aldehyde groups of gossypol serve as key reactive sites for the synthesis of diverse
derivatives with potential applications in medicine, agriculture, and materials science. Continued
research in this area holds promise for the development of novel therapeutic agents and functional
materials.
adabiyotlar
LITERATURE
1. Muallif: Zhang, W., Xu, J., & Liu, Y.
2. Nashr:
Journal of Natural Products
, 2015.
3. Nashr:
Cottonseed and Gossypol
, 1986.
4. Nashr:
Bioorganic & Medicinal Chemistry Letters
, 2018.
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SJIF 2019: 5.222 2020: 5.552 2021: 5.637 2022:5.479 2023:6.563 2024: 7,805
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5. Khaitbaev Kh. Alisher, Toshov S. Khamza, Nazirova K. Yayra. Researches on implementation in
medical practice of supramolecular complex of megosin with MASGA. Journal of Medicinal and
Chemical Sciences (J. Med. Chem. Sci.). 2019. №3. Р. 48-54.
6.
Hakberdiev, S. M., Talipov, S. A., Dalimov, D. N., & Ibragimov, B. T. (2013).
2,2′-Bis {8-[(benzylamino) methylidene]-1, 6-dihydroxy-5-isopropyl-3-methylnaphthalen-7 (8H)-
one}.
Acta Crystallographica Section E: Structure Reports Online
,
69
(11), o1626-o1627.
7.
Khaitbaev A. K., Khakberdiev S. М., Toshov K. S. Isolation of Gossypol from the Bark of
Cotton Roots //Annals of the Romanian Society for Cell Biology. – 2021. – С. 1069-1073.
8.
Khamza, Toshov, Khakberdiev Shukhrat, and Khaitbaev Alisher. "X-ray structural analysis
of gossypol derivatives."
Journal of Critical Reviews
7.11 (2020): 460-463.
9.
Толстикова Т.Г., Толстиков А.Г., Толстиков Г.А. На пути к низкодозным лекарствам //
Вестник Российской академии наук. 2007. Т. 77. № 10. C. 867-874.
10.
Khakberdiev, Sh M., et al. "Synthesis and structure of gossypol azomethine
derivatives."
Young Scientist,(4)
(2015): 42-44.
11.
Mahramovich, K. S. (2022). Results of computer study of biological activity of gossipol
products.
Web of Scientist: International Scientific Research Journal
,
3
(6), 1373-1378.
12.
Mahramovich, K. S. (2023). Structural analysis of supramolecular complexes of schiff
bases.
American Journal of Interdisciplinary Research and Development
,
12
, 36-41.
13.
Mahramovich, K. S., & Khodiyevich, K. S. (2023). Study of the practical significance of
benzimidazole and some of its derivatives.
Open Access Repository
,
4
(02), 80-85.
14.
Mahramovich, K. S. (2024). Study of synthesis, structure and biological activity of gossypol
derivatives in computer program.
American Journal of Innovation in Science Research and
Development
,
1
(2), 75-81.
15.
Makhramovich, K. S. (2024). Synthesis of Schiff Bases, Supramolecular Complexes and
their Influence on Macrophages.
Miasto Przyszłości
,
49
, 922-926.
16.
Khakberdiyev, S. M. (2024). Synthesis of aminopyridine derivatives based on
gossypol.
Miasto Przyszłości
,
48
, 1063-1068.
17.
Mahramovich, K. S. (2024). Study of synthesis, structure and biological activity of gossypol
derivatives in computer program.
American Journal of Innovation in Science Research and
Development
,
1
(2), 75-81.
18.
Makhramovich, K. S. (2024). Synthesis of Schiff Bases, Supramolecular Complexes and
their Influence on Macrophages.
Miasto Przyszłości
,
49
, 922-926.
19.
Khakberdiyev, S. M. (2024). Synthesis of aminopyridine derivatives based on
gossypol.
Miasto Przyszłości
,
48
, 1063-1068.
20. Mahramovich, K. S. (2024). Study of synthesis, structure and biological activity of gossypol
derivatives in computer program.
American Journal of Innovation in Science Research and
Development
,
1
(2), 75-81.
