《Bi2O3/FAp, a sustainable catalyst for synthesis of dihydro-[1,2,4]triazolo[1,5-a]pyrimidine derivatives through green strategy》 was published in Applied Organometallic Chemistry in 2020. These research results belong to Kerru, Nagaraju; Gummidi, Lalitha; Maddila, Surya Narayana; Bhaskaruni, Sandeep V. H. S.; Jonnalagadda, Sreekantha B.. HPLC of Formula: 135-02-4 The article mentions the following:
The bismuth loaded on fluorapatite (Bi2O3/FAp) proved to be an excellent catalyst for the synthesis of novel dihydro-[1,2,4]triazolo[1,5-a]pyrimidine derivatives I (R = 4-methoxyphenyl, 2-nitrophenyl, indol-3-yl, etc.; R1 = Me, NH2) via a three-component reaction involving the mixture of 1H-1,2,4-triazol-5-amine, Et cyanoacetate or Et acetoacetate, and different benzaldehydes RCHO in ethanol at room temperature The catalyst material was characterized by X-ray diffraction, Brunauer-Emmett-Teller surface area anal., Fourier-transform IR, SEM, energy-dispersive X-ray spectroscopy, and transmission electron microscopy techniques. The efficacy of Bi2O3/FAp as a heterogeneous catalyst was evaluated with the loading of different weight% of bismuth on FAp. The 2.5% bismuth on FAp performed extremely well as a catalyst with a high yield of products (92%-96%) in a short reaction time (25-35 min). The catalyst was recovered by simple filtration. It showed undiminished activity up to five runs. Simple work-up, room temperature reaction, short reaction time, high yields, no column chromatog., and good reusability of catalyst are the merits of the proposed protocol. In addition, this process offers 100% carbon efficiency and 98% atom economy with noteworthy fiscal and environmental benefits. In the experimental materials used by the author, we found 2-Methoxybenzaldehyde(cas: 135-02-4HPLC of Formula: 135-02-4)
2-Methoxybenzaldehyde(cas: 135-02-4) is used as a flavor agent in foods including nonalcoholic/alcoholic beverages, baked goods, chewing gum, confections, frozen dairy, fruit ices, hard/soft candy, instant coffee, tea, Jams, jellies, and milk products. It also has been used to obtain good enantioselectivities using Cu(OAc)(2)-bis(oxazolines) via hydrogen bonding in asymmetric Henry reaction.HPLC of Formula: 135-02-4
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem