A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, molecular formula is C6H12N2O. In an article, author is Yu, Yuan,once mentioned of 7226-23-5, Recommanded Product: 7226-23-5.
Combining photo-redox and enzyme catalysis for the synthesis of 4H-pyrimido[2,1-b] benzothiazole derivatives in one pot
A novel strategy combining visible-light and enzyme catalysis in one pot for the synthesis of 4H-pyrimido [2,1-b] benzothiazole derivatives from alcohols is described for the first time. Fourteen 4H-pyrimido [2,1-b] benzothiazole derivatives were prepared with yields of up to 98% under mild reaction conditions by a simple operation. The photoorgano catalyst rose Bengal (rB) was employed to oxyfunctionalise alcohols to aldehydes. Compared with aldehydes, alcohols with more stable properties and lower cost, thus we used photocatalysis to oxidize alcohols into aldehydes. Next, the enzyme was used to further catalyze the reaction of Biginelli to produce the target product of 4H-pyrimidine [2,1-b] benzothiazole. Experimental results show that this method provides a more efficient and eco-friendly strategy for the synthesis of 4H-pyrimido [2,1-b] benzothiazole derivatives.
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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia