The chemical reaction of O-chloroacetylthymol with the sodium salt of tartaric acid in the presence of dimethylformamide and hexamethylphosphoramide (HMPA) as solvents is described in this article, along with the findings of physico-chemical analysis to confirm the structure of the resulting chemical compounds. Hexamethylphosphoramide was found to be present in the chemical reactions which were proven to have the greatest yields (HMPA).

The most prevalent element in nature is iron, which is also one of the essential, active macroelements. Today, photometric techniques are frequently employed to identify harmful and extremely poisonous heavy metals. Due to its sensitivity, simplicity, and short analysis time, this approach is extremely important. The technique of photometrically determining Fe(III) was devised, and the ideal conditions for the formation of a complex of Fe(III) with 2-napthylcarboxymethylne citrate reagent were explored. The following steps were taken during the photometric determination of Fe (III) using 2-napthylcarboxymethylcitrate: the selection of a light filter, the dependence of complex formation on environmental acidity, dependence on the composition of the buffer solution, dependence on the composition of the reagent, the field of obedience to Ber’s law, the ratio of the component moles of the complex, the Sendal sensitivity, the lowest detection limit of Fe(III), the molar extinction coefficient, and the technique of photometrically determining Fe(III).

The process of interaction of organic substances mainly occurs in solvent environments. Therefore, the effect of solvents on the o-chloroacetylation process was studied. For this, the reaction process of triatomic phenol-pyrogallol with chloroethyl chloride in various solvents was studied. In order to study the reaction with pyrogallol chloroacetyloride in various solvents, the compound was subjected to chromatographic, UV, IR, and NMR analyses.

In this study, hexamethylenetetramine mono- and di(p-methoxyphenylacetochloride) synthesis is presented in a clear and effective manner. Under mild conditions, p-methoxyphenylacetyl chloride and hexamethylenetetramine undergo a synthesis reaction. By adjusting the reactant and reaction conditions, the mono- and di-substituted products were produced selectively. The reaction of 4-methoxyphenylchloroacetate with various amines is a nucleophilic exchange reaction, and it was found that these reactions can proceed under normal conditions at the liquefaction temperature of the solvent. Before carrying out these reactions, the properties of amines were studied briefly. It can be found that the activity of the hydrogen attached to the nitrogen atom of amines depends on the nature of the group attached to the nitrogen. This relationship was expressed by Menshutkin’s kinetic equation and Arrinius’ equations. In addition, it became known that the reactions can be carried out easily due to the activity of the electrons that are not involved in the bond. To study the reactivity of tertiary amines, uratropin was chosen and its 4-methoxyphenylchloroacetate was reacted at 1:1 and 1:2 ratios, and the products were isolated. When the spectra of the obtained substances were analyzed, it was proven that a new substance was formed with the presence of an absorption region characteristic of the N-substituted amine group.

This article examines the process of digesting phosphorites in an acidic solution to create complicated and mixed fertilizers. This study focuses on improving the nutritional content of phosphorus fertilizers by utilizing mineral acids, such as phosphoric, nitric, and sulfuric acids. In particular, the research looks into how phosphate raw materials, such as poor-quality phosphorites from the Central Kyzylkum region, are treated to create fertilizers that are nitrogen-phosphorous (NPh), phosphorpotassium (PhP), and nitrogen-phosphorus-potassium (NPhP). Phosphorites are broken down by nitric acid in the process, yielding calcium nitrate salts and other byproducts that can be treated further. A scanning electron microscope was used in the investigation to examine the fertilizers’ surface microstructure. The findings emphasize how crucial it is to clean and neutralize phosphorus fertilizers in order to enhance product quality and lessen the amount of undesirable salts. The results offer insightful information about enhancing fertilizer output and raising agricultural productivity.

The potential for triatomic phenols to significantly advance organic chemistry and other fields makes their chloroacetylation and the synthesis of compounds based on chloroacetyl products highly relevant. This diversity enables the creation of novel materials, medicines, and specialized compounds. Chloroacetylation yields functional groups known as chloroacetyls, which can serve as versatile building blocks for further modifications. This offers a systematic approach to the synthesis of complex compounds, expanding the toolkit available to synthetic chemists. Researching novel synthetic pathways often leads to unexpected discoveries and fresh ideas. By exploring new reaction mechanisms, reactivity patterns, and applications, the study of chloroacetylation in the context of triatomic phenols can inspire scientific innovation. In analytical chemistry, phenols and oxycarboxylic acids are used to identify and quantify metal ions. Therefore, we decided to combine these two classes of compounds. Through synthesis, a wide variety of substances with unique structures and properties can be produced. The syntheses based on the topic “Chloroacetylation of trihydroxybenzenes and Syntheses Based on Chloroacetyl Compounds” are described in this article. O-chloroacetylation reactions were carried out in the presence of trihydroxybenzenes: benzene-1,2,3-triol, benzene-1,2,4-triol and chloroacetyl chloride. 4,4′,4″-(((benzene-1,2,3-triyltris(oxy))tris(2-oxoethane-2,1-diyl))tris(oxy))tris(2,3-dihydroxy-4-oxobutanoic acid) and 4,4′,4″-(((benzene-1,2,4-triyltris(oxy))tris(2-oxoethane-2,1-diyl))tris(oxy))tris(2,3-dihydroxy-4-oxobutanoic acid) were produced as a consequence of the nucleophilic exchange of chlorine atoms. The sodium salt of tartaric acid (sodium (2S,2R)-3-carboxy-2,3-dihydroxypropanoate) was present during the procedure. The solvent that was employed was dimethylformamide. Using contemporary physicochemical techniques, the structure of the substance that was produced as a result of the reaction was examined. Both the reaction’s mechanism and methods were examined.