Recommanded Product: 135-02-4In 2019 ,《Introduction of piperazine-1,4-diium dihydrogen phosphate as a new and highly efficient dicationic Bronsted acidic ionic salt for the synthesis of (thio)barbituric acid derivatives in water》 appeared in Journal of Molecular Structure. The author of the article were Darvishzad, Shila; Daneshvar, Nader; Shirini, Farhad; Tajik, Hassan. The article conveys some information:
A new piperazine-based dicationic Bronsted acidic ionic salt named as piperazine-1,4-diium dihydrogen phosphate was prepared After characterization by FT-IR, Mass and NMR spectroscopy, it was used as an efficient and reusable catalyst for the synthesis of 5-arylidenepyrimidine-2,4,6(1H,3H,5H)-trione and pyrano[2,3-d]pyrimidinone (thione) derivatives Some of the advantages of this method were utilization of low amount of the catalyst, ease of work-up, short reaction times, excellent yields and acceptable reusability of the catalyst. In the experiment, the researchers used many compounds, for example, 2-Methoxybenzaldehyde(cas: 135-02-4Recommanded Product: 135-02-4)
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Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem