Application In Synthesis of 1-Hexyl-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1-Hexyl-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione, is researched, Molecular C13H20N4O2, CAS is 1028-33-7, about Analysis of purine derivatives. 14. Quantitative determination possibilities of 1-hexyltheobromine. Author is Raber, H..
1-Hexyltheobromine (I) is less soluble in H2O than the purines studied previously. Bromometric determination is possible using 100-200 mg in 70 ml MeOH, 50 ml 0.1N KBrO3, 1 g KBr in 5 m l H2O, 10 ml 6N H2SO4, and titration of the excess Br after 60 min. The factor is 1 ml 0.1N KBrO3 = 7.568 mg I. I can also be hydrolyzed and coupled to p-O2NC6H4N2+ followed by photometric determination as was done with Cordaline (CA 71: 128784s) except that 25% NEt4OH at 110-20° for 3 hr must be used in the hydrolysis and the aliquot of the hydrolyzed mixture must be neutralized to thymolphthalein by addition of NH4OAc before addition of urotropine, PrOH, and diazonium solution
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Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem