An article Choline Chloride/Urea as an Eco-Friendly Deep Eutectic Solvent for TCT-Mediated Amide Coupling at Room Temperature WOS:000467344100001 published article about CARBOXYLIC-ACIDS; BOND FORMATION; IONIC LIQUIDS; 2,4,6-TRICHLORO-1,3,5-TRIAZINE TCT; OXIDATIVE AMIDATION; CYANURIC CHLORIDE; ACTIVATION; ALDEHYDES; PHENOLS; REAGENT in [Salimiyan, Kimiya] Persian Gulf Univ, Fac Sci, Dept Chem, Bushehr 75169, Iran; [Saberi, Dariush] Persian Gulf Univ, Marine Chem Dept, Fac Marine Sci & Technol, Bushehr 75169, Iran; [Saberi, Dariush] Persian Gulf Univ, Fisheries & Aquaculture Dept, Fac Agr & Nat Resources, Bushehr 75169, Iran in 2019, Cited 59. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. Recommanded Product: 62-23-7
A desirable alternative to organic solvents, very cheap, non-toxic and biodegradable deep eutectic solvent (DES) based on choline chloride and urea was introduced for 2,4,6-trichloro triazine mediated amide bond formation between carboxylic acids and amines at room temperature. Sub-stoichiometric amount of TCT was used as a cheap and readily available C-O activating reagent. Various derivatives of amines were coupled with carboxylic acids, via triacylated triazine intermediate, resulting the reaction of acids with TCT, and the corresponding amides were obtained in moderate to good yields.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem