Recommanded Product: 1H-1,2,4-Triazol-5-amine. In 2020.0 TURK J CHEM published article about IONIC LIQUIDS; CATALYST; GREEN; ACID in [Ghaffari Khaligh, Nader; Shahnavaz, Zohreh; Rafie Johan, Mohd] Univ Malaya, Nanotechnol & Catalysis Res Ctr, Inst Postgrad Studies, Kuala Lumpur, Malaysia; [Mihankhah, Taraneh] Iran Univ Sci & Technol, Dept Water & Environm Engn, Tehran, Iran; [Titinchi, Salam] Univ Western Cape, Dept Chem, Cape Town, South Africa in 2020.0, Cited 22.0. The Name is 1H-1,2,4-Triazol-5-amine. Through research, I have a further understanding and discovery of 61-82-5.
This work introduces a new additive named 4,4′-trimethylenedipiperidine for the practical and ecofriendly preparation of ethyl 5-amino-7-(4-phenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate derivatives. This chemical is commercially available and easy to handle. It also possesses a low melting point and a broad liquid range temperature, high thermal stability, and good solubility in water. Based on green chemistry principles, the reaction was performed in a) a mixture of green solvents i.e. water and ethanol (1:1 v/v) at reflux temperature, and b) the additive was liquefied at 65 degrees C and the reaction was conducted in the liquid state of the additive. High yields of the desired triazolo-pyrimidines were obtained under both aforementioned conditions. Our results demonstrated that this additive, containing 2 Lewis base sites and able to act as an acceptor-donor hydrogen bonding group, is a novel and efficient alternative to piperidine, owing to its unique properties such as its reduced toxicity, nonflammable nature, nonvolatile state, broad liquid range temperature, high thermal stability, and ability to be safely handled. Furthermore, this additive could be completely recovered and exhibited high recyclability without any change in its chemical structure and no significant reduction in its activity. The current methodology has several advantages: (a) it avoids the use of hazardous materials, as well as toxic, volatile, and flammable solvents, (b) it does not entail tedious processes, harsh conditions, and the multistep preparation of catalysts, (c) it uses a metal-free and noncorrosive catalyst, and (d) reduces the generation of hazardous waste and simple work-up processes. The most important result of this study is that 4,4′-trimethylenedipiperidine can be a promising alternative for toxic, volatile, and flammable base reagents in organic synthesis owing to its unique properties.
Recommanded Product: 1H-1,2,4-Triazol-5-amine. About 1H-1,2,4-Triazol-5-amine, If you have any questions, you can contact Ghaffari Khaligh, N; Mihankhah, T; Titinchi, S; Shahnavaz, Z; Rafie Johan, M or concate me.
Reference:
Article; Safari, Niloufar; Shirini, Farhad; Tajik, Hassan; Journal of Molecular Structure; vol. 1201; (2020);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics