The aim of this work is to study the reaction of 2-methyl-5-ethynylpyridine N-oxide with some aliphatic and aromatic amines to obtain N-oxides of pyridylacetylenic amines. 2-Methyl-5-ethylpyridine converted to 2-methyl-5-vinylpyridine by dehydrogenation, and 2-methyl-5-ethynylpyridine obtained by bromination and dehydrobromination. 2-methyl-5-ethynylpyridine N-oxide synthesized by oxidation of 2-methyl-5-ethynylpyridine with perhydrol in acetic anhydride. The synthesis of N-oxides of pyridylacetylenic amines by the Mannich reaction carried out. The effect of the solvents: methanol, ethanol and n-dioxane, the catalyst, and the reaction time on the yield of the final product studied. The structure and composition of the synthesized PAA N-oxides were established using IR and PMR spectroscopy.
| Mualliflar | IKRAMOV, Abduvakhab, ZIYADULLAYEV, Odiljon, KHAMIDJANOV, Adkham, BOJARIEV, Shavkat, KHANDAMOV, Davron |
|---|---|
| Jurnal | Kimyo va kimyo texnologiyasi |
| Nashr sanasi | 2021-04-25 |
| Betlar | 48-53 |
| Til | en |
| DOI | 10.51348/lupi3276 |
DOI: 10.51348/lupi3276 · Maqolaning asl sahifasi
Investigated the electrochemical synthesis and characterized of a nanometer scale porous anodic aluminum oxide (AAO) membrane with a mean pore diameter about of 80-100 nm. The anodizing process done by varying the…
The aim is to optimize the conditions for the synthesis of 3(H)-quinazolin-4-one by the method of mathematical modeling to develop a technology for producing the substance of a new domestic drug used in the treatment of…
The aim of this work is to synthesize and study a superabsorbent hydrogel based on starch copolymers. The optimal synthesis conditions have been determined and studies have been carried out on the effect of the molar…
The aim is to synthesize and study thiokol oligomer NEP-12 based on sodium tetrasulfide, epichlorohydrin and ammonium phosphate, which is intended for use as the main component of thiokol sealant. To achieve this goal…
On the basis of distilled fatty acids, their nitriles were synthesized and hydrogenated by hydrogen at 5,472- 5,674 МPa pressure was converted to primary aliphatic amines with a purity of 98%.
With the aim to develop a comprehensive technology for processing Almalyk Mining Metallurgical Combinate (AMMC) wastes, the influence of chloride additives on the copper and zinc chloride volatilization process is…
The Infra-Red Drying Process has been developed in the form of the equation of the first order in the form of a mathematical model. It is established that the use of infrared radiation together with convective drying in…
The aim of the research is the synthesis of sodium ammonium hydrogen phosphate and sodium dihydrogen phosphate based on purified extraction phosphoric acid. The acid was purified from accompanying impurities by…
The synthesis of mixed amid of complexed compounds ofmagnium nitrate with formamide, carbamide and tiocarbamide was performed in this study. The composition, individual as well as methods of formamide, carbamide…