sg
O‘zbekcha

OBTAINING MONOMETHYLOLUREAGALLATE ETHERS

Mualliflar

  • Andijan State University

  • Andijan State University

  • Andijan State University

Kalit so‘zlar:

urea, formaldehyde, monomethylurea, ammonia, gallic acid, gallates, benzoic acid, polyphenols and esters.

Annotatsiya

The studies studied the formation of mono-, di- and trimethylol ureas as a result of the interaction of urea and formaldehyde. The purpose of this study was to study the formation of esters of gallic acid with mono-, di- and trimethylurea. The study used methods of fine organic synthesis, IR, mass spectrometry, melting point measurement, thin layer, column chromatography. The structure of esters showed that the esterification reaction proceeds due to the carboxyl group of gallic acid and the hydroxyl group of methylol ureas.

Mualliflar haqida

  • , Andijan State University

    Doctor of Chemistry Sciences, Professor of Andijan State University

  • , Andijan State University

    Doctor of Technical Sciences, Professor of Andijan State University

  • , Andijan State University

    assistant of Andijan State University

Adabiyotlar

Асқаров И.Р., Хожиматов М.М., Исақов Х., Қирғизов. Метилолмочевинанинг айрим ҳосилалари синтези//Илмий хабарнома. Андижон. -2014.-№4. -Б. 28-30. (Askarov IR, Khojimatov MM, Isakov H., Kirgizov. Synthesis of some derivatives of methyl urea // Scientific Bulletin. Andijan. -2014, №4, 28-30)

Асқаров И.Р., Исаев Ю.Т., Махсумов А.Г., Қирғизов Ш.М. Органик кимё.–Т.: Ғ. Ғулом, 2012. - 319-323б (Askarov I.R., Isaev Yu.T., Makhsumov AG, Kyrgyzov Sh.M. Organic chemistry. T.: G‘. Gulom, 2012, 319-323).

Исақов Х., Усманов С., Горбунова В.В. ИК-спектроскопические исследования соединений тиомочевины с формальдегидом // Узбекиский химический журнал. -Тошкент.-1994. -№5. -C. 10-35. (Isaqov X., Usmanov S., Gorbunova V.V. IR-spectroscopic studies of thiourea compounds with formaldehyde // Uzbek chemical journal, Tashkent, 1994, №5, 10-35)

Методы получения химических реактивов и препаратов. Москва, ИРЕА, Выпуск 15, 1967, стр. 187 (Methods of obtaining chemical reagents and drugs. Moscow, IREA, No 15, 1967, 187)

Final Report on the Amended Safety Assessment of Propyl Gallate // International Journal of Toxicology journal. - 2007. - Vol. 26, 3. - P. 89-118. (Заключительныйотчетподополненнойоценкебезопасностипропилгаллата // Международныйжурналтоксикологии. – 2007)

Jerker Widengren, Andriy Chmyrov, Christian Eggeling, Per-Åke Löfdahl, and Claus A. M. Seidel. Strategies to Improve Photostabilities in Ultrasensitive Fluorescence Spectroscopy // The Journal of Physical Chemistry journal A. - 2007. - Vol. 111, 3, 429-440. (Джеркер Виденгрен, Андрей Чмыров, Кристиан Эггелинг, Пер-Оке Лёфдал и Клаус А. М. Зайдель. Стратегии улучшения фотостабильности в сверхчувствительной флуоресцентной спектроскопии // Журнал физической химии, журнал А. - 2007. - Том.)

Yuklab olishlar

Nashr etilgan

2023-07-11

Son

№ 2 (2022): FarDU ilmiy xabarlar jurnali

Bo‘lim

Chemistry

Litsenziya

Creative Commons License

Ushbu ish Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 Xalqaro litsenziyasi ostida litsenziyalangan.