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Green synthesis of 1,3,5-triazine derivatives using a sonochemical protocol
Damian Ku?aga ; Anna K. Drabczyk ; Przemys?aw Zar?ba , et al. Ultrasonics Sonochemistry,2024,108,106951. DOI: 10.1016/j.ultsonch.2024.106951 PubMed ID: 38878716
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Abstract: 1,3,5-triazine derivatives are useful compounds with potential applications in various branches of chemical industry, including pharmaceutical chemistry, cosmetic chemistry, photochemistry, and organic chemistry. Due to the growing environmental requirements on conducting efficient, economical, and safe syntheses, development of new methods for synthesizing organic compounds is highly desirable. In this publication, we present a protocol for the synthesis of 1,3,5-triazine derivatives using a sonochemical approach. In as little as 5 min, it is possible to obtain most of the investigated compounds with a yield of over 75%. An undeniable advantage of this method, besides its short time, is the use of water as the solvent. Furthermore, we provide examples that the sonochemical method may be more versatile than the competing microwave method. Analysis conducted using the DOZNTM 2.0 tool revealed that in terms of the 12 principles of green chemistry, the developed sonochemical method is 13 times “greener” than the classical one. Additionally, it has been demonstrated that the investigated molecules are attractive for their application as drug-like compounds.
Keywords: Sonochemistry ; 1,3,5-triazines ; Green chemistry ; Eco-friendly
CAS No. : | 1664-40-0 | MDL No. : | MFCD00008162 |
Formula : | C8H12N2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | OCIDXARMXNJACB-UHFFFAOYSA-N |
M.W : | 136.19 | Pubchem ID : | 74270 |
Synonyms : |
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Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | 2735 |
Hazard Statements: | H314 | Packing Group: | Ⅲ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(2S,4EZ)-N-(2-anilinoethyl)-4-(methoxyimino)-1-[4-(4-pyridinyl)benzoyl]-2-pyrrolidinecarboxamide Following the general method as outlined in Example 22, starting from (2S,4EZ)-1-(tert-butoxycarbonyl)-4-(methoxyimino)-2-pyrrolidinecarboxylic acid, <strong>[4385-76-6]4-(4-pyridinyl)benzoic acid</strong>, and N1-phenyl-1,2-ethanediamine, the title compound was obtained in 85percent purity by HPLC. MS(ESI+): m/z=458. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | In methanol; at 20℃; for 0.5h; | The ligand (L) was synthesized by the condensation reaction inthe methanol (15 mL) solvent by stirring an equimolar mixture of<strong>[2631-77-8]3,5-diidosalicylaldehyde</strong> (0.136 g, 1 mmol) and N-phenylethylenediamine(0.374 g, 1 mmol) within 30 min at room temperature.The obtained yellow precipitate was filtered off undervacuum then washed thoroughly with cold methanol and dried invacuo over anhydrous CaCl2 (yield: 90%). The purity of ligand waschecked by TLC. The synthetic route of Schiff base ligand is shownin Scheme 1. |
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